author | sherman |
Mon, 15 Nov 2010 09:26:49 -0800 | |
changeset 7189 | 5749df30059b |
parent 6699 | d8229570529d |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* - Neither the name of Oracle nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package com.sun.nio.zipfs; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.EOFException; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.nio.ByteBuffer; |
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import java.nio.MappedByteBuffer; |
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import java.nio.channels.*; |
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import java.nio.file.*; |
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import java.nio.file.attribute.*; |
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import java.nio.file.spi.*; |
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import java.util.*; |
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import java.util.concurrent.locks.ReadWriteLock; |
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import java.util.concurrent.locks.ReentrantReadWriteLock; |
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import java.util.regex.Pattern; |
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import java.util.zip.CRC32; |
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import java.util.zip.Inflater; |
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import java.util.zip.Deflater; |
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import java.util.zip.InflaterInputStream; |
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import java.util.zip.DeflaterOutputStream; |
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import java.util.zip.ZipException; |
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import java.util.zip.ZipError; |
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import static java.lang.Boolean.*; |
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import static com.sun.nio.zipfs.ZipConstants.*; |
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import static com.sun.nio.zipfs.ZipUtils.*; |
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import static java.nio.file.StandardOpenOption.*; |
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import static java.nio.file.StandardCopyOption.*; |
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/** |
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* A FileSystem built on a zip file |
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* |
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* @author Xueming Shen |
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*/ |
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public class ZipFileSystem extends FileSystem { |
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private final ZipFileSystemProvider provider; |
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private final ZipPath defaultdir; |
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private boolean readOnly = false; |
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private final Path zfpath; |
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private final ZipCoder zc; |
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// configurable by env map |
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private final String defaultDir; // default dir for the file system |
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private final String nameEncoding; // default encoding for name/comment |
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private final boolean buildDirTree; // build a dir tree for directoryStream ops |
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private final boolean useTempFile; // use a temp file for newOS, default |
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// is to use BAOS for better performance |
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private final boolean createNew; // create a new zip if not exists |
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private static final boolean isWindows = |
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System.getProperty("os.name").startsWith("Windows"); |
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ZipFileSystem(ZipFileSystemProvider provider, |
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Path zfpath, |
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Map<String, ?> env) |
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throws IOException |
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{ |
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// configurable env setup |
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this.buildDirTree = TRUE.equals(env.get("buildDirTreea")); |
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this.useTempFile = TRUE.equals(env.get("useTempFile")); |
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this.createNew = TRUE.equals(env.get("createNew")); |
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this.nameEncoding = env.containsKey("nameEncoding") ? |
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(String)env.get("nameEncoding") : "UTF-8"; |
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this.defaultDir = env.containsKey("default.dir") ? |
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(String)env.get("default.dir") : "/"; |
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if (this.defaultDir.charAt(0) != '/') |
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throw new IllegalArgumentException("default dir should be absolute"); |
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this.provider = provider; |
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this.zfpath = zfpath; |
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if (zfpath.notExists()) { |
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if (createNew) { |
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OutputStream os = zfpath.newOutputStream(CREATE_NEW, WRITE); |
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new END().write(os, 0); |
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os.close(); |
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} else { |
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throw new FileSystemNotFoundException(zfpath.toString()); |
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} |
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} |
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zfpath.checkAccess(AccessMode.READ); // sm and existence check |
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try { |
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zfpath.checkAccess(AccessMode.WRITE); |
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} catch (AccessDeniedException x) { |
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this.readOnly = true; |
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} |
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this.zc = ZipCoder.get(nameEncoding); |
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this.defaultdir = new ZipPath(this, getBytes(defaultDir)); |
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this.ch = zfpath.newByteChannel(READ); |
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this.cen = initCEN(); |
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} |
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@Override |
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public FileSystemProvider provider() { |
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return provider; |
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} |
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@Override |
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public String getSeparator() { |
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return "/"; |
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} |
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136 |
|
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137 |
@Override |
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138 |
public boolean isOpen() { |
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139 |
return isOpen; |
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140 |
} |
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141 |
|
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142 |
@Override |
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143 |
public boolean isReadOnly() { |
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144 |
return readOnly; |
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145 |
} |
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146 |
|
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147 |
private void checkWritable() throws IOException { |
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148 |
if (readOnly) |
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149 |
throw new ReadOnlyFileSystemException(); |
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150 |
} |
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151 |
|
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152 |
@Override |
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153 |
public Iterable<Path> getRootDirectories() { |
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154 |
ArrayList<Path> pathArr = new ArrayList<>(); |
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155 |
pathArr.add(new ZipPath(this, new byte[]{'/'})); |
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156 |
return pathArr; |
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157 |
} |
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158 |
|
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159 |
ZipPath getDefaultDir() { // package private |
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160 |
return defaultdir; |
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161 |
} |
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|
162 |
|
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163 |
@Override |
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164 |
public ZipPath getPath(String path) { |
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|
165 |
if (path.length() == 0) |
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166 |
throw new InvalidPathException(path, "path should not be empty"); |
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167 |
return new ZipPath(this, getBytes(path)); |
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168 |
} |
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|
169 |
|
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|
170 |
@Override |
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171 |
public UserPrincipalLookupService getUserPrincipalLookupService() { |
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|
172 |
throw new UnsupportedOperationException(); |
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|
173 |
} |
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|
174 |
|
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|
175 |
@Override |
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|
176 |
public WatchService newWatchService() { |
d8229570529d
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|
177 |
throw new UnsupportedOperationException(); |
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|
178 |
} |
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|
179 |
|
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|
180 |
FileStore getFileStore(ZipPath path) { |
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|
181 |
return new ZipFileStore(path); |
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|
182 |
} |
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|
183 |
|
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|
184 |
@Override |
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|
185 |
public Iterable<FileStore> getFileStores() { |
7189 | 186 |
ArrayList<FileStore> list = new ArrayList<>(1); |
6699
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187 |
list.add(new ZipFileStore(new ZipPath(this, new byte[]{'/'}))); |
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|
188 |
return list; |
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|
189 |
} |
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|
190 |
|
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|
191 |
private static final Set<String> supportedFileAttributeViews = |
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|
192 |
Collections.unmodifiableSet( |
d8229570529d
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|
193 |
new HashSet<String>(Arrays.asList("basic", "zip"))); |
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|
194 |
|
d8229570529d
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|
195 |
@Override |
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|
196 |
public Set<String> supportedFileAttributeViews() { |
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|
197 |
return supportedFileAttributeViews; |
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|
198 |
} |
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changeset
|
199 |
|
d8229570529d
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|
200 |
@Override |
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|
201 |
public String toString() { |
d8229570529d
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|
202 |
return zfpath.toString(); |
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|
203 |
} |
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changeset
|
204 |
|
d8229570529d
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|
205 |
Path getZipFile() { |
d8229570529d
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|
206 |
return zfpath; |
d8229570529d
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|
207 |
} |
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changeset
|
208 |
|
d8229570529d
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|
209 |
private static final String GLOB_SYNTAX = "glob"; |
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|
210 |
private static final String REGEX_SYNTAX = "regex"; |
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|
211 |
|
d8229570529d
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|
212 |
@Override |
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|
213 |
public PathMatcher getPathMatcher(String syntaxAndInput) { |
d8229570529d
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|
214 |
int pos = syntaxAndInput.indexOf(':'); |
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|
215 |
if (pos <= 0 || pos == syntaxAndInput.length()) { |
d8229570529d
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|
216 |
throw new IllegalArgumentException(); |
d8229570529d
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|
217 |
} |
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|
218 |
String syntax = syntaxAndInput.substring(0, pos); |
d8229570529d
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|
219 |
String input = syntaxAndInput.substring(pos + 1); |
d8229570529d
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|
220 |
String expr; |
d8229570529d
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|
221 |
if (syntax.equals(GLOB_SYNTAX)) { |
d8229570529d
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|
222 |
expr = toRegexPattern(input); |
d8229570529d
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|
223 |
} else { |
d8229570529d
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changeset
|
224 |
if (syntax.equals(REGEX_SYNTAX)) { |
d8229570529d
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|
225 |
expr = input; |
d8229570529d
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changeset
|
226 |
} else { |
d8229570529d
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|
227 |
throw new UnsupportedOperationException("Syntax '" + syntax + |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
228 |
"' not recognized"); |
d8229570529d
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|
229 |
} |
d8229570529d
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|
230 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
231 |
// return matcher |
d8229570529d
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|
232 |
final Pattern pattern = Pattern.compile(expr); |
d8229570529d
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|
233 |
return new PathMatcher() { |
d8229570529d
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|
234 |
@Override |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
235 |
public boolean matches(Path path) { |
d8229570529d
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|
236 |
return pattern.matcher(path.toString()).matches(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
237 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
238 |
}; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
239 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
240 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
241 |
@Override |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
242 |
public void close() throws IOException { |
7189 | 243 |
beginWrite(); |
244 |
try { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
245 |
if (!isOpen) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
246 |
return; |
7189 | 247 |
isOpen = false; // set closed |
248 |
} finally { |
|
249 |
endWrite(); |
|
250 |
} |
|
251 |
if (!streams.isEmpty()) { // unlock and close all remaining streams |
|
252 |
Set<InputStream> copy = new HashSet<>(streams); |
|
253 |
for (InputStream is: copy) |
|
254 |
is.close(); |
|
255 |
} |
|
256 |
beginWrite(); // lock and sync |
|
257 |
try { |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
258 |
sync(); |
7189 | 259 |
ch.close(); // close the ch just in case no update |
260 |
} finally { // and sync dose not close the ch |
|
261 |
endWrite(); |
|
6699
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|
262 |
} |
7189 | 263 |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
264 |
synchronized (inflaters) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
changeset
|
265 |
for (Inflater inf : inflaters) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
266 |
inf.end(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
changeset
|
267 |
} |
d8229570529d
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changeset
|
268 |
synchronized (deflaters) { |
d8229570529d
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diff
changeset
|
269 |
for (Deflater def : deflaters) |
d8229570529d
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|
270 |
def.end(); |
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changeset
|
271 |
} |
7189 | 272 |
|
273 |
synchronized (tmppaths) { |
|
274 |
for (Path p: tmppaths) { |
|
275 |
try { |
|
276 |
p.deleteIfExists(); |
|
277 |
} catch (IOException x) { |
|
278 |
x.printStackTrace(); |
|
279 |
} |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
280 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
281 |
} |
d8229570529d
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changeset
|
282 |
provider.removeFileSystem(zfpath); |
d8229570529d
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changeset
|
283 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
284 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
285 |
ZipFileAttributes getFileAttributes(byte[] path) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
286 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
changeset
|
287 |
{ |
7189 | 288 |
Entry e; |
289 |
beginRead(); |
|
290 |
try { |
|
291 |
ensureOpen(); |
|
292 |
e = getEntry0(path); |
|
293 |
} finally { |
|
294 |
endRead(); |
|
295 |
} |
|
296 |
if (e == null) { |
|
297 |
if (path.length == 0) { |
|
298 |
e = new Entry(new byte[0]); // root |
|
299 |
} else if (buildDirTree) { |
|
300 |
IndexNode inode = getDirs().get(IndexNode.keyOf(path)); |
|
301 |
if (inode == null) |
|
6699
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|
302 |
return null; |
7189 | 303 |
e = new Entry(inode.name); |
304 |
} else { |
|
305 |
return null; |
|
6699
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diff
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|
306 |
} |
7189 | 307 |
e.method = METHOD_STORED; // STORED for dir |
308 |
BasicFileAttributes bfas = Attributes.readBasicFileAttributes(zfpath); |
|
309 |
if (bfas.lastModifiedTime() != null) |
|
310 |
e.mtime = bfas.lastModifiedTime().toMillis(); |
|
311 |
if (bfas.lastAccessTime() != null) |
|
312 |
e.atime = bfas.lastAccessTime().toMillis(); |
|
313 |
if (bfas.creationTime() != null) |
|
314 |
e.ctime = bfas.creationTime().toMillis(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
315 |
} |
7189 | 316 |
return new ZipFileAttributes(e); |
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
changeset
|
317 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
318 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
319 |
void setTimes(byte[] path, FileTime mtime, FileTime atime, FileTime ctime) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
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diff
changeset
|
320 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
321 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
322 |
checkWritable(); |
7189 | 323 |
beginWrite(); |
324 |
try { |
|
325 |
ensureOpen(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
326 |
Entry e = getEntry0(path); // ensureOpen checked |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
327 |
if (e == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
328 |
throw new NoSuchFileException(getString(path)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
329 |
if (e.type == Entry.CEN) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
330 |
e.type = Entry.COPY; // copy e |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
331 |
if (mtime != null) |
7189 | 332 |
e.mtime = mtime.toMillis(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
333 |
if (atime != null) |
7189 | 334 |
e.atime = atime.toMillis(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
335 |
if (ctime != null) |
7189 | 336 |
e.ctime = ctime.toMillis(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
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diff
changeset
|
337 |
update(e); |
7189 | 338 |
} finally { |
339 |
endWrite(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
340 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
341 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
342 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
343 |
boolean exists(byte[] path) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
344 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
345 |
{ |
7189 | 346 |
beginRead(); |
347 |
try { |
|
348 |
ensureOpen(); |
|
349 |
return getEntry0(path) != null; |
|
350 |
} finally { |
|
351 |
endRead(); |
|
352 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
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diff
changeset
|
353 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
354 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
355 |
boolean isDirectory(byte[] path) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
356 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
357 |
{ |
7189 | 358 |
if (buildDirTree) |
359 |
return getDirs().containsKey(IndexNode.keyOf(path)); |
|
360 |
||
361 |
beginRead(); |
|
362 |
try { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
363 |
Entry e = getEntry0(path); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
364 |
return (e != null && e.isDir()) || path.length == 0; |
7189 | 365 |
} finally { |
366 |
endRead(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
367 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
368 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
369 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
370 |
private ZipPath toZipPath(byte[] path) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
371 |
// make it absolute |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
372 |
byte[] p = new byte[path.length + 1]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
373 |
p[0] = '/'; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
374 |
System.arraycopy(path, 0, p, 1, path.length); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
375 |
return new ZipPath(this, p); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
376 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
377 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
378 |
// returns the list of child paths of "path" |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
379 |
Iterator<Path> iteratorOf(byte[] path, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
380 |
DirectoryStream.Filter<? super Path> filter) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
381 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
382 |
{ |
7189 | 383 |
beginWrite(); // iteration of inodes needs exclusive lock |
384 |
try { |
|
385 |
ensureOpen(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
386 |
if (buildDirTree) { |
7189 | 387 |
IndexNode inode = getDirs().get(IndexNode.keyOf(path)); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
388 |
if (inode == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
389 |
throw new NotDirectoryException(getString(path)); |
7189 | 390 |
List<Path> list = new ArrayList<>(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
391 |
IndexNode child = inode.child; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
392 |
while (child != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
393 |
ZipPath zp = toZipPath(child.name); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
394 |
if (filter == null || filter.accept(zp)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
395 |
list.add(zp); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
396 |
child = child.sibling; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
397 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
398 |
return list.iterator(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
399 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
400 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
401 |
if (!isDirectory(path)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
402 |
throw new NotDirectoryException(getString(path)); |
7189 | 403 |
List<Path> list = new ArrayList<>(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
404 |
path = toDirectoryPath(path); |
7189 | 405 |
for (IndexNode key : inodes.keySet()) { |
406 |
if (!isParentOf(path, key.name)) // is "path" the parent of "name" |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
407 |
continue; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
408 |
int off = path.length; |
7189 | 409 |
while (off < key.name.length) { |
410 |
if (key.name[off] == '/') |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
411 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
412 |
off++; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
413 |
} |
7189 | 414 |
if (off < (key.name.length - 1)) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
415 |
continue; |
7189 | 416 |
ZipPath zp = toZipPath(key.name); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
417 |
if (filter == null || filter.accept(zp)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
418 |
list.add(zp); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
419 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
420 |
return list.iterator(); |
7189 | 421 |
} finally { |
422 |
endWrite(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
423 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
424 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
425 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
426 |
void createDirectory(byte[] dir, FileAttribute<?>... attrs) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
427 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
428 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
429 |
checkWritable(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
430 |
dir = toDirectoryPath(dir); |
7189 | 431 |
beginWrite(); |
432 |
try { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
433 |
ensureOpen(); |
7189 | 434 |
if (dir.length == 0 || exists(dir)) // root dir, or exiting dir |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
435 |
throw new FileAlreadyExistsException(getString(dir)); |
7189 | 436 |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
437 |
checkParents(dir); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
438 |
Entry e = new Entry(dir, Entry.NEW); |
7189 | 439 |
e.method = METHOD_STORED; // STORED for dir |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
440 |
update(e); |
7189 | 441 |
} finally { |
442 |
endWrite(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
443 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
444 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
445 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
446 |
void copyFile(boolean deletesrc, byte[]src, byte[] dst, CopyOption... options) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
447 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
448 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
449 |
checkWritable(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
450 |
if (Arrays.equals(src, dst)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
451 |
return; // do nothing, src and dst are the same |
7189 | 452 |
|
453 |
beginWrite(); |
|
454 |
try { |
|
455 |
ensureOpen(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
456 |
Entry eSrc = getEntry0(src); // ensureOpen checked |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
457 |
if (eSrc == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
458 |
throw new NoSuchFileException(getString(src)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
459 |
if (eSrc.isDir()) { // spec says to create dst dir |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
460 |
createDirectory(dst); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
461 |
return; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
462 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
463 |
boolean hasReplace = false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
464 |
boolean hasCopyAttrs = false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
465 |
for (CopyOption opt : options) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
466 |
if (opt == REPLACE_EXISTING) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
467 |
hasReplace = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
468 |
else if (opt == COPY_ATTRIBUTES) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
469 |
hasCopyAttrs = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
470 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
471 |
Entry eDst = getEntry0(dst); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
472 |
if (eDst != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
473 |
if (!hasReplace) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
474 |
throw new FileAlreadyExistsException(getString(dst)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
475 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
476 |
checkParents(dst); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
477 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
478 |
Entry u = new Entry(eSrc, Entry.COPY); // copy eSrc entry |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
479 |
u.name = dst; // change name |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
480 |
if (eSrc.type == Entry.NEW || eSrc.type == Entry.FILECH) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
481 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
482 |
u.type = eSrc.type; // make it the same type |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
483 |
if (!deletesrc) { // if it's not "rename", just take the data |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
484 |
if (eSrc.bytes != null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
485 |
u.bytes = Arrays.copyOf(eSrc.bytes, eSrc.bytes.length); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
486 |
else if (eSrc.file != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
487 |
u.file = getTempPathForEntry(null); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
488 |
eSrc.file.copyTo(u.file, REPLACE_EXISTING); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
489 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
490 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
491 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
492 |
if (!hasCopyAttrs) |
7189 | 493 |
u.mtime = u.atime= u.ctime = System.currentTimeMillis(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
494 |
update(u); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
495 |
if (deletesrc) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
496 |
updateDelete(eSrc); |
7189 | 497 |
} finally { |
498 |
endWrite(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
499 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
500 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
501 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
502 |
// Returns an output stream for writing the contents into the specified |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
503 |
// entry. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
504 |
OutputStream newOutputStream(byte[] path, OpenOption... options) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
505 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
506 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
507 |
checkWritable(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
508 |
boolean hasCreateNew = false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
509 |
boolean hasCreate = false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
510 |
boolean hasAppend = false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
511 |
for (OpenOption opt: options) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
512 |
if (opt == READ) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
513 |
throw new IllegalArgumentException("READ not allowed"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
514 |
if (opt == CREATE_NEW) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
515 |
hasCreateNew = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
516 |
if (opt == CREATE) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
517 |
hasCreate = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
518 |
if (opt == APPEND) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
519 |
hasAppend = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
520 |
} |
7189 | 521 |
beginRead(); // only need a readlock, the "update()" will |
522 |
try { // try to obtain a writelock when the os is |
|
523 |
ensureOpen(); // being closed. |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
524 |
Entry e = getEntry0(path); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
525 |
if (e != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
526 |
if (e.isDir() || hasCreateNew) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
527 |
throw new FileAlreadyExistsException(getString(path)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
528 |
if (hasAppend) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
529 |
InputStream is = getInputStream(e); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
530 |
OutputStream os = getOutputStream(new Entry(e, Entry.NEW)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
531 |
copyStream(is, os); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
532 |
is.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
533 |
return os; |
7189 | 534 |
} |
535 |
return getOutputStream(new Entry(e, Entry.NEW)); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
536 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
537 |
if (!hasCreate && !hasCreateNew) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
538 |
throw new NoSuchFileException(getString(path)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
539 |
checkParents(path); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
540 |
return getOutputStream(new Entry(path, Entry.NEW)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
541 |
} |
7189 | 542 |
} finally { |
543 |
endRead(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
544 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
545 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
546 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
547 |
// Returns an input stream for reading the contents of the specified |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
548 |
// file entry. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
549 |
InputStream newInputStream(byte[] path) throws IOException { |
7189 | 550 |
beginRead(); |
551 |
try { |
|
552 |
ensureOpen(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
553 |
Entry e = getEntry0(path); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
554 |
if (e == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
555 |
throw new NoSuchFileException(getString(path)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
556 |
if (e.isDir()) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
557 |
throw new FileSystemException(getString(path), "is a directory", null); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
558 |
return getInputStream(e); |
7189 | 559 |
} finally { |
560 |
endRead(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
561 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
562 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
563 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
564 |
private void checkOptions(Set<? extends OpenOption> options) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
565 |
// check for options of null type and option is an intance of StandardOpenOption |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
566 |
for (OpenOption option : options) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
567 |
if (option == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
568 |
throw new NullPointerException(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
569 |
if (!(option instanceof StandardOpenOption)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
570 |
throw new IllegalArgumentException(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
571 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
572 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
573 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
574 |
// Returns a Writable/ReadByteChannel for now. Might consdier to use |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
575 |
// newFileChannel() instead, which dump the entry data into a regular |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
576 |
// file on the default file system and create a FileChannel on top of |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
577 |
// it. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
578 |
SeekableByteChannel newByteChannel(byte[] path, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
579 |
Set<? extends OpenOption> options, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
580 |
FileAttribute<?>... attrs) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
581 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
582 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
583 |
checkOptions(options); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
584 |
if (options.contains(StandardOpenOption.WRITE) || |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
585 |
options.contains(StandardOpenOption.APPEND)) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
586 |
checkWritable(); |
7189 | 587 |
beginRead(); |
588 |
try { |
|
589 |
final WritableByteChannel wbc = Channels.newChannel( |
|
590 |
newOutputStream(path, options.toArray(new OpenOption[0]))); |
|
591 |
long leftover = 0; |
|
592 |
if (options.contains(StandardOpenOption.APPEND)) { |
|
593 |
Entry e = getEntry0(path); |
|
594 |
if (e != null && e.size >= 0) |
|
595 |
leftover = e.size; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
596 |
} |
7189 | 597 |
final long offset = leftover; |
598 |
return new SeekableByteChannel() { |
|
599 |
long written = offset; |
|
600 |
public boolean isOpen() { |
|
601 |
return wbc.isOpen(); |
|
602 |
} |
|
603 |
||
604 |
public long position() throws IOException { |
|
605 |
return written; |
|
606 |
} |
|
607 |
||
608 |
public SeekableByteChannel position(long pos) |
|
609 |
throws IOException |
|
610 |
{ |
|
611 |
throw new UnsupportedOperationException(); |
|
612 |
} |
|
613 |
||
614 |
public int read(ByteBuffer dst) throws IOException { |
|
615 |
throw new UnsupportedOperationException(); |
|
616 |
} |
|
617 |
||
618 |
public SeekableByteChannel truncate(long size) |
|
619 |
throws IOException |
|
620 |
{ |
|
621 |
throw new UnsupportedOperationException(); |
|
622 |
} |
|
623 |
||
624 |
public int write(ByteBuffer src) throws IOException { |
|
625 |
int n = wbc.write(src); |
|
626 |
written += n; |
|
627 |
return n; |
|
628 |
} |
|
629 |
||
630 |
public long size() throws IOException { |
|
631 |
return written; |
|
632 |
} |
|
633 |
||
634 |
public void close() throws IOException { |
|
635 |
wbc.close(); |
|
636 |
} |
|
637 |
}; |
|
638 |
} finally { |
|
639 |
endRead(); |
|
640 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
641 |
} else { |
7189 | 642 |
beginRead(); |
643 |
try { |
|
644 |
ensureOpen(); |
|
645 |
Entry e = getEntry0(path); |
|
646 |
if (e == null || e.isDir()) |
|
647 |
throw new NoSuchFileException(getString(path)); |
|
648 |
final ReadableByteChannel rbc = |
|
649 |
Channels.newChannel(getInputStream(e)); |
|
650 |
final long size = e.size; |
|
651 |
return new SeekableByteChannel() { |
|
652 |
long read = 0; |
|
653 |
public boolean isOpen() { |
|
654 |
return rbc.isOpen(); |
|
655 |
} |
|
656 |
||
657 |
public long position() throws IOException { |
|
658 |
return read; |
|
659 |
} |
|
660 |
||
661 |
public SeekableByteChannel position(long pos) |
|
662 |
throws IOException |
|
663 |
{ |
|
664 |
throw new UnsupportedOperationException(); |
|
665 |
} |
|
666 |
||
667 |
public int read(ByteBuffer dst) throws IOException { |
|
668 |
return rbc.read(dst); |
|
669 |
} |
|
670 |
||
671 |
public SeekableByteChannel truncate(long size) |
|
672 |
throws IOException |
|
673 |
{ |
|
674 |
throw new NonWritableChannelException(); |
|
675 |
} |
|
676 |
||
677 |
public int write (ByteBuffer src) throws IOException { |
|
678 |
throw new NonWritableChannelException(); |
|
679 |
} |
|
680 |
||
681 |
public long size() throws IOException { |
|
682 |
return size; |
|
683 |
} |
|
684 |
||
685 |
public void close() throws IOException { |
|
686 |
rbc.close(); |
|
687 |
} |
|
688 |
}; |
|
689 |
} finally { |
|
690 |
endRead(); |
|
691 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
692 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
693 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
694 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
695 |
// Returns a FileChannel of the specified entry. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
696 |
// |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
697 |
// This implementation creates a temporary file on the default file system, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
698 |
// copy the entry data into it if the entry exists, and then create a |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
699 |
// FileChannel on top of it. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
700 |
FileChannel newFileChannel(byte[] path, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
701 |
Set<? extends OpenOption> options, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
702 |
FileAttribute<?>... attrs) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
703 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
704 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
705 |
checkOptions(options); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
706 |
final boolean forWrite = (options.contains(StandardOpenOption.WRITE) || |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
707 |
options.contains(StandardOpenOption.APPEND)); |
7189 | 708 |
beginRead(); |
709 |
try { |
|
710 |
ensureOpen(); |
|
711 |
Entry e = getEntry0(path); |
|
712 |
if (forWrite) { |
|
713 |
checkWritable(); |
|
714 |
if (e == null) { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
715 |
if (!options.contains(StandardOpenOption.CREATE_NEW)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
716 |
throw new NoSuchFileException(getString(path)); |
7189 | 717 |
} else { |
718 |
if (options.contains(StandardOpenOption.CREATE_NEW)) |
|
719 |
throw new FileAlreadyExistsException(getString(path)); |
|
720 |
if (e.isDir()) |
|
721 |
throw new FileAlreadyExistsException("directory <" |
|
722 |
+ getString(path) + "> exists"); |
|
723 |
} |
|
724 |
options.remove(StandardOpenOption.CREATE_NEW); // for tmpfile |
|
725 |
} else if (e == null || e.isDir()) { |
|
726 |
throw new NoSuchFileException(getString(path)); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
727 |
} |
7189 | 728 |
|
729 |
final boolean isFCH = (e != null && e.type == Entry.FILECH); |
|
730 |
final Path tmpfile = isFCH ? e.file : getTempPathForEntry(path); |
|
731 |
final FileChannel fch = tmpfile.getFileSystem() |
|
732 |
.provider() |
|
733 |
.newFileChannel(tmpfile, options, attrs); |
|
734 |
final Entry u = isFCH ? e : new Entry(path, tmpfile, Entry.FILECH); |
|
735 |
if (forWrite) { |
|
736 |
u.flag = FLAG_DATADESCR; |
|
737 |
u.method = METHOD_DEFLATED; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
738 |
} |
7189 | 739 |
// is there a better way to hook into the FileChannel's close method? |
740 |
return new FileChannel() { |
|
741 |
public int write(ByteBuffer src) throws IOException { |
|
742 |
return fch.write(src); |
|
743 |
} |
|
744 |
public long write(ByteBuffer[] srcs, int offset, int length) |
|
745 |
throws IOException |
|
746 |
{ |
|
747 |
return fch.write(srcs, offset, length); |
|
748 |
} |
|
749 |
public long position() throws IOException { |
|
750 |
return fch.position(); |
|
751 |
} |
|
752 |
public FileChannel position(long newPosition) |
|
753 |
throws IOException |
|
754 |
{ |
|
755 |
fch.position(newPosition); |
|
756 |
return this; |
|
757 |
} |
|
758 |
public long size() throws IOException { |
|
759 |
return fch.size(); |
|
760 |
} |
|
761 |
public FileChannel truncate(long size) |
|
762 |
throws IOException |
|
763 |
{ |
|
764 |
fch.truncate(size); |
|
765 |
return this; |
|
766 |
} |
|
767 |
public void force(boolean metaData) |
|
768 |
throws IOException |
|
769 |
{ |
|
770 |
fch.force(metaData); |
|
771 |
} |
|
772 |
public long transferTo(long position, long count, |
|
773 |
WritableByteChannel target) |
|
774 |
throws IOException |
|
775 |
{ |
|
776 |
return fch.transferTo(position, count, target); |
|
777 |
} |
|
778 |
public long transferFrom(ReadableByteChannel src, |
|
779 |
long position, long count) |
|
780 |
throws IOException |
|
781 |
{ |
|
782 |
return fch.transferFrom(src, position, count); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
783 |
} |
7189 | 784 |
public int read(ByteBuffer dst) throws IOException { |
785 |
return fch.read(dst); |
|
786 |
} |
|
787 |
public int read(ByteBuffer dst, long position) |
|
788 |
throws IOException |
|
789 |
{ |
|
790 |
return fch.read(dst, position); |
|
791 |
} |
|
792 |
public long read(ByteBuffer[] dsts, int offset, int length) |
|
793 |
throws IOException |
|
794 |
{ |
|
795 |
return fch.read(dsts, offset, length); |
|
796 |
} |
|
797 |
public int write(ByteBuffer src, long position) |
|
798 |
throws IOException |
|
799 |
{ |
|
800 |
return fch.write(src, position); |
|
801 |
} |
|
802 |
public MappedByteBuffer map(MapMode mode, |
|
803 |
long position, long size) |
|
804 |
throws IOException |
|
805 |
{ |
|
806 |
throw new UnsupportedOperationException(); |
|
807 |
} |
|
808 |
public FileLock lock(long position, long size, boolean shared) |
|
809 |
throws IOException |
|
810 |
{ |
|
811 |
return fch.lock(position, size, shared); |
|
812 |
} |
|
813 |
public FileLock tryLock(long position, long size, boolean shared) |
|
814 |
throws IOException |
|
815 |
{ |
|
816 |
return fch.tryLock(position, size, shared); |
|
817 |
} |
|
818 |
protected void implCloseChannel() throws IOException { |
|
819 |
fch.close(); |
|
820 |
if (forWrite) { |
|
821 |
u.mtime = System.currentTimeMillis(); |
|
822 |
u.size = Attributes.readBasicFileAttributes(u.file).size(); |
|
823 |
update(u); |
|
824 |
} else { |
|
825 |
if (!isFCH) // if this is a new fch for reading |
|
826 |
removeTempPathForEntry(tmpfile); |
|
827 |
} |
|
828 |
} |
|
829 |
}; |
|
830 |
} finally { |
|
831 |
endRead(); |
|
832 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
833 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
834 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
835 |
// the outstanding input streams that need to be closed |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
836 |
private Set<InputStream> streams = |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
837 |
Collections.synchronizedSet(new HashSet<InputStream>()); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
838 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
839 |
// the ex-channel and ex-path that need to close when their outstanding |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
840 |
// input streams are all closed by the obtainers. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
841 |
private Set<ExChannelCloser> exChClosers = new HashSet<>(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
842 |
|
7189 | 843 |
private Set<Path> tmppaths = Collections.synchronizedSet(new HashSet<Path>()); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
844 |
private Path getTempPathForEntry(byte[] path) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
845 |
Path tmpPath = createTempFileInSameDirectoryAs(zfpath); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
846 |
if (path != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
847 |
Entry e = getEntry0(path); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
848 |
if (e != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
849 |
InputStream is = newInputStream(path); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
850 |
OutputStream os = tmpPath.newOutputStream(WRITE); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
851 |
try { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
852 |
copyStream(is, os); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
853 |
} finally { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
854 |
is.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
855 |
os.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
856 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
857 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
858 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
859 |
return tmpPath; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
860 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
861 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
862 |
private void removeTempPathForEntry(Path path) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
863 |
path.delete(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
864 |
tmppaths.remove(path); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
865 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
866 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
867 |
// check if all parents really exit. ZIP spec does not require |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
868 |
// the existence of any "parent directory". |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
869 |
private void checkParents(byte[] path) throws IOException { |
7189 | 870 |
beginRead(); |
871 |
try { |
|
872 |
while ((path = getParent(path)) != null) { |
|
873 |
if (!inodes.containsKey(IndexNode.keyOf(path))) |
|
874 |
throw new NoSuchFileException(getString(path)); |
|
875 |
} |
|
876 |
} finally { |
|
877 |
endRead(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
878 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
879 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
880 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
881 |
private static byte[] getParent(byte[] path) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
882 |
int off = path.length - 1; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
883 |
if (off > 0 && path[off] == '/') // isDirectory |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
884 |
off--; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
885 |
while (off > 0 && path[off] != '/') { off--; } |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
886 |
if (off == 0) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
887 |
return null; // top entry |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
888 |
return Arrays.copyOf(path, off + 1); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
889 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
890 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
891 |
// If "starter" is the parent directory of "path" |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
892 |
private static boolean isParentOf(byte[] p, byte[] c) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
893 |
final int plen = p.length; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
894 |
if (plen == 0) // root dir |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
895 |
return true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
896 |
if (plen >= c.length) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
897 |
return false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
898 |
int n = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
899 |
while (n < plen) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
900 |
if (p[n] != c[n]) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
901 |
return false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
902 |
n++; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
903 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
904 |
if (p[n - 1] != '/' && (c[n] != '/' || n == c.length - 1)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
905 |
return false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
906 |
return true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
907 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
908 |
|
7189 | 909 |
private final void beginWrite() { |
910 |
rwlock.writeLock().lock(); |
|
911 |
} |
|
912 |
||
913 |
private final void endWrite() { |
|
914 |
rwlock.writeLock().unlock(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
915 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
916 |
|
7189 | 917 |
private final void beginRead() { |
918 |
rwlock.readLock().lock(); |
|
919 |
} |
|
920 |
||
921 |
private final void endRead() { |
|
922 |
rwlock.readLock().unlock(); |
|
923 |
} |
|
924 |
||
925 |
/////////////////////////////////////////////////////////////////// |
|
926 |
||
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
927 |
private volatile boolean isOpen = true; |
7189 | 928 |
private final SeekableByteChannel ch; // channel to the zipfile |
929 |
final byte[] cen; // CEN & ENDHDR |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
930 |
private END end; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
931 |
private long locpos; // position of first LOC header (usually 0) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
932 |
|
7189 | 933 |
private final ReadWriteLock rwlock = new ReentrantReadWriteLock(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
934 |
|
7189 | 935 |
// name -> pos (in cen), IndexNode itself can be used as a "key" |
936 |
private LinkedHashMap<IndexNode, IndexNode> inodes; |
|
937 |
||
938 |
final byte[] getBytes(String name) { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
939 |
return zc.getBytes(name); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
940 |
} |
7189 | 941 |
|
942 |
final String getString(byte[] name) { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
943 |
return zc.toString(name); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
944 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
945 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
946 |
protected void finalize() throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
947 |
close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
948 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
949 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
950 |
private long getDataPos(Entry e) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
951 |
if (e.locoff == -1) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
952 |
Entry e2 = getEntry0(e.name); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
953 |
if (e2 == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
954 |
throw new ZipException("invalid loc for entry <" + e.name + ">"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
955 |
e.locoff = e2.locoff; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
956 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
957 |
byte[] buf = new byte[LOCHDR]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
958 |
if (readFullyAt(buf, 0, buf.length, e.locoff) != buf.length) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
959 |
throw new ZipException("invalid loc for entry <" + e.name + ">"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
960 |
return locpos + e.locoff + LOCHDR + LOCNAM(buf) + LOCEXT(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
961 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
962 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
963 |
// Reads len bytes of data from the specified offset into buf. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
964 |
// Returns the total number of bytes read. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
965 |
// Each/every byte read from here (except the cen, which is mapped). |
7189 | 966 |
final long readFullyAt(byte[] buf, int off, long len, long pos) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
967 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
968 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
969 |
ByteBuffer bb = ByteBuffer.wrap(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
970 |
bb.position(off); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
971 |
bb.limit((int)(off + len)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
972 |
return readFullyAt(bb, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
973 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
974 |
|
7189 | 975 |
private final long readFullyAt(ByteBuffer bb, long pos) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
976 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
977 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
978 |
synchronized(ch) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
979 |
return ch.position(pos).read(bb); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
980 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
981 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
982 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
983 |
// Searches for end of central directory (END) header. The contents of |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
984 |
// the END header will be read and placed in endbuf. Returns the file |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
985 |
// position of the END header, otherwise returns -1 if the END header |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
986 |
// was not found or an error occurred. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
987 |
private END findEND() throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
988 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
989 |
byte[] buf = new byte[READBLOCKSZ]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
990 |
long ziplen = ch.size(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
991 |
long minHDR = (ziplen - END_MAXLEN) > 0 ? ziplen - END_MAXLEN : 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
992 |
long minPos = minHDR - (buf.length - ENDHDR); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
993 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
994 |
for (long pos = ziplen - buf.length; pos >= minPos; pos -= (buf.length - ENDHDR)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
995 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
996 |
int off = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
997 |
if (pos < 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
998 |
// Pretend there are some NUL bytes before start of file |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
999 |
off = (int)-pos; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1000 |
Arrays.fill(buf, 0, off, (byte)0); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1001 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1002 |
int len = buf.length - off; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1003 |
if (readFullyAt(buf, off, len, pos + off) != len) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1004 |
zerror("zip END header not found"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1005 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1006 |
// Now scan the block backwards for END header signature |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1007 |
for (int i = buf.length - ENDHDR; i >= 0; i--) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1008 |
if (buf[i+0] == (byte)'P' && |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1009 |
buf[i+1] == (byte)'K' && |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1010 |
buf[i+2] == (byte)'\005' && |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1011 |
buf[i+3] == (byte)'\006' && |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1012 |
(pos + i + ENDHDR + ENDCOM(buf, i) == ziplen)) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1013 |
// Found END header |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1014 |
buf = Arrays.copyOfRange(buf, i, i + ENDHDR); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1015 |
END end = new END(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1016 |
end.endsub = ENDSUB(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1017 |
end.centot = ENDTOT(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1018 |
end.cenlen = ENDSIZ(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1019 |
end.cenoff = ENDOFF(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1020 |
end.comlen = ENDCOM(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1021 |
end.endpos = pos + i; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1022 |
if (end.cenlen == ZIP64_MINVAL || |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1023 |
end.cenoff == ZIP64_MINVAL || |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1024 |
end.centot == ZIP64_MINVAL32) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1025 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1026 |
// need to find the zip64 end; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1027 |
byte[] loc64 = new byte[ZIP64_LOCHDR]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1028 |
if (readFullyAt(loc64, 0, loc64.length, end.endpos - ZIP64_LOCHDR) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1029 |
!= loc64.length) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1030 |
return end; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1031 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1032 |
long end64pos = ZIP64_LOCOFF(loc64); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1033 |
byte[] end64buf = new byte[ZIP64_ENDHDR]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1034 |
if (readFullyAt(end64buf, 0, end64buf.length, end64pos) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1035 |
!= end64buf.length) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1036 |
return end; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1037 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1038 |
// end64 found, re-calcualte everything. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1039 |
end.cenlen = ZIP64_ENDSIZ(end64buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1040 |
end.cenoff = ZIP64_ENDOFF(end64buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1041 |
end.centot = (int)ZIP64_ENDTOT(end64buf); // assume total < 2g |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1042 |
end.endpos = end64pos; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1043 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1044 |
return end; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1045 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1046 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1047 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1048 |
zerror("zip END header not found"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1049 |
return null; //make compiler happy |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1050 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1051 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1052 |
// Reads zip file central directory. Returns the file position of first |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1053 |
// CEN header, otherwise returns -1 if an error occured. If zip->msg != NULL |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1054 |
// then the error was a zip format error and zip->msg has the error text. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1055 |
// Always pass in -1 for knownTotal; it's used for a recursive call. |
7189 | 1056 |
private byte[] initCEN() throws IOException { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1057 |
end = findEND(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1058 |
if (end.endpos == 0) { |
7189 | 1059 |
inodes = new LinkedHashMap<>(10); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1060 |
locpos = 0; |
7189 | 1061 |
return null; // only END header present |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1062 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1063 |
if (end.cenlen > end.endpos) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1064 |
zerror("invalid END header (bad central directory size)"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1065 |
long cenpos = end.endpos - end.cenlen; // position of CEN table |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1066 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1067 |
// Get position of first local file (LOC) header, taking into |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1068 |
// account that there may be a stub prefixed to the zip file. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1069 |
locpos = cenpos - end.cenoff; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1070 |
if (locpos < 0) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1071 |
zerror("invalid END header (bad central directory offset)"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1072 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1073 |
// read in the CEN and END |
7189 | 1074 |
byte[] cen = new byte[(int)(end.cenlen + ENDHDR)]; |
1075 |
if (readFullyAt(cen, 0, cen.length, cenpos) != end.cenlen + ENDHDR) { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1076 |
zerror("read CEN tables failed"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1077 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1078 |
// Iterate through the entries in the central directory |
7189 | 1079 |
inodes = new LinkedHashMap<>(end.centot + 1); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1080 |
int pos = 0; |
7189 | 1081 |
int limit = cen.length - ENDHDR; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1082 |
while (pos < limit) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1083 |
if (CENSIG(cen, pos) != CENSIG) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1084 |
zerror("invalid CEN header (bad signature)"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1085 |
int method = CENHOW(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1086 |
int nlen = CENNAM(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1087 |
int elen = CENEXT(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1088 |
int clen = CENCOM(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1089 |
if ((CENFLG(cen, pos) & 1) != 0) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1090 |
zerror("invalid CEN header (encrypted entry)"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1091 |
if (method != METHOD_STORED && method != METHOD_DEFLATED) |
7189 | 1092 |
zerror("invalid CEN header (unsupported compression method: " + method + ")"); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1093 |
if (pos + CENHDR + nlen > limit) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1094 |
zerror("invalid CEN header (bad header size)"); |
7189 | 1095 |
byte[] name = Arrays.copyOfRange(cen, pos + CENHDR, pos + CENHDR + nlen); |
1096 |
IndexNode inode = new IndexNode(name, pos); |
|
1097 |
inodes.put(inode, inode); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1098 |
// skip ext and comment |
7189 | 1099 |
pos += (CENHDR + nlen + elen + clen); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1100 |
} |
7189 | 1101 |
if (pos + ENDHDR != cen.length) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1102 |
zerror("invalid CEN header (bad header size)"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1103 |
} |
7189 | 1104 |
return cen; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1105 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1106 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1107 |
private void ensureOpen() throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1108 |
if (!isOpen) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1109 |
throw new ClosedFileSystemException(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1110 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1111 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1112 |
// Creates a new empty temporary file in the same directory as the |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1113 |
// specified file. A variant of File.createTempFile. |
7189 | 1114 |
private Path createTempFileInSameDirectoryAs(Path path) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1115 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1116 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1117 |
Path parent = path.toAbsolutePath().getParent(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1118 |
String dir = (parent == null)? "." : parent.toString(); |
7189 | 1119 |
Path tmpPath = File.createTempFile("zipfstmp", null, new File(dir)).toPath(); |
1120 |
tmppaths.add(tmpPath); |
|
1121 |
return tmpPath; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1122 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1123 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1124 |
////////////////////update & sync ////////////////////////////////////// |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1125 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1126 |
private boolean hasUpdate = false; |
7189 | 1127 |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1128 |
private void updateDelete(Entry e) { |
7189 | 1129 |
beginWrite(); |
1130 |
try { |
|
1131 |
inodes.remove(IndexNode.keyOf(e.name)); //inodes.remove(e.name); |
|
1132 |
hasUpdate = true; |
|
1133 |
dirs = null; |
|
1134 |
} finally { |
|
1135 |
endWrite(); |
|
1136 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1137 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1138 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1139 |
private void update(Entry e) { |
7189 | 1140 |
beginWrite(); |
1141 |
try { |
|
1142 |
inodes.put(IndexNode.keyOf(e.name), e); //inodes.put(e, e); |
|
1143 |
hasUpdate = true; |
|
1144 |
dirs = null; |
|
1145 |
} finally { |
|
1146 |
endWrite(); |
|
1147 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1148 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1149 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1150 |
// copy over the whole LOC entry (header if necessary, data and ext) from |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1151 |
// old zip to the new one. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1152 |
private long copyLOCEntry(Entry e, boolean updateHeader, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1153 |
OutputStream os, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1154 |
long written, byte[] buf) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1155 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1156 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1157 |
long locoff = e.locoff; // where to read |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1158 |
e.locoff = written; // update the e.locoff with new value |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1159 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1160 |
// calculate the size need to write out |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1161 |
long size = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1162 |
// if there is A ext |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1163 |
if ((e.flag & FLAG_DATADESCR) != 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1164 |
if (e.size >= ZIP64_MINVAL || e.csize >= ZIP64_MINVAL) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1165 |
size = 24; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1166 |
else |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1167 |
size = 16; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1168 |
} |
7189 | 1169 |
// read loc, use the original loc.elen/nlen |
1170 |
if (readFullyAt(buf, 0, LOCHDR , locoff) != LOCHDR) |
|
1171 |
throw new ZipException("loc: reading failed"); |
|
1172 |
if (updateHeader) { |
|
1173 |
locoff += LOCHDR + LOCNAM(buf) + LOCEXT(buf); // skip header |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1174 |
size += e.csize; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1175 |
written = e.writeLOC(os) + size; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1176 |
} else { |
7189 | 1177 |
os.write(buf, 0, LOCHDR); // write out the loc header |
1178 |
locoff += LOCHDR; |
|
1179 |
size += LOCNAM(buf) + LOCEXT(buf) + LOCSIZ(buf); |
|
1180 |
written = LOCHDR + size; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1181 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1182 |
int n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1183 |
while (size > 0 && |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1184 |
(n = (int)readFullyAt(buf, 0, buf.length, locoff)) != -1) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1185 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1186 |
if (size < n) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1187 |
n = (int)size; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1188 |
os.write(buf, 0, n); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1189 |
size -= n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1190 |
locoff += n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1191 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1192 |
return written; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1193 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1194 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1195 |
// sync the zip file system, if there is any udpate |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1196 |
private void sync() throws IOException { |
7189 | 1197 |
//System.out.printf("->sync(%s) starting....!%n", toString()); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1198 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1199 |
// check ex-closer |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1200 |
if (!exChClosers.isEmpty()) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1201 |
for (ExChannelCloser ecc : exChClosers) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1202 |
if (ecc.streams.isEmpty()) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1203 |
ecc.ch.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1204 |
ecc.path.delete(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1205 |
exChClosers.remove(ecc); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1206 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1207 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1208 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1209 |
if (!hasUpdate) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1210 |
return; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1211 |
Path tmpFile = createTempFileInSameDirectoryAs(zfpath); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1212 |
OutputStream os = tmpFile.newOutputStream(WRITE); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1213 |
ArrayList<Entry> elist = new ArrayList<>(inodes.size()); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1214 |
long written = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1215 |
byte[] buf = new byte[8192]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1216 |
Entry e = null; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1217 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1218 |
// write loc |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1219 |
for (IndexNode inode : inodes.values()) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1220 |
if (inode instanceof Entry) { // an updated inode |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1221 |
e = (Entry)inode; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1222 |
try { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1223 |
if (e.type == Entry.COPY) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1224 |
// entry copy: the only thing changed is the "name" |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1225 |
// and "nlen" in LOC header, so we udpate/rewrite the |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1226 |
// LOC in new file and simply copy the rest (data and |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1227 |
// ext) without enflating/deflating from the old zip |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1228 |
// file LOC entry. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1229 |
written += copyLOCEntry(e, true, os, written, buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1230 |
} else { // NEW or FILECH |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1231 |
e.locoff = written; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1232 |
written += e.writeLOC(os); // write loc header |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1233 |
if (e.bytes != null) { // in-memory, deflated |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1234 |
os.write(e.bytes); // already |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1235 |
written += e.bytes.length; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1236 |
} else if (e.file != null) { // tmp file |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1237 |
InputStream is = e.file.newInputStream(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1238 |
int n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1239 |
if (e.type == Entry.NEW) { // deflated already |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1240 |
while ((n = is.read(buf)) != -1) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1241 |
os.write(buf, 0, n); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1242 |
written += n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1243 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1244 |
} else if (e.type == Entry.FILECH) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1245 |
// the data are not deflated, use ZEOS |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1246 |
OutputStream os2 = new EntryOutputStream(e, os); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1247 |
while ((n = is.read(buf)) != -1) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1248 |
os2.write(buf, 0, n); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1249 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1250 |
os2.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1251 |
written += e.csize; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1252 |
if ((e.flag & FLAG_DATADESCR) != 0) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1253 |
written += e.writeEXT(os); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1254 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1255 |
is.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1256 |
e.file.delete(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1257 |
tmppaths.remove(e.file); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1258 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1259 |
// dir, 0-length data |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1260 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1261 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1262 |
elist.add(e); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1263 |
} catch (IOException x) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1264 |
x.printStackTrace(); // skip any in-accurate entry |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1265 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1266 |
} else { // unchanged inode |
7189 | 1267 |
e = Entry.readCEN(this, inode.pos); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1268 |
try { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1269 |
written += copyLOCEntry(e, false, os, written, buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1270 |
elist.add(e); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1271 |
} catch (IOException x) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1272 |
x.printStackTrace(); // skip any wrong entry |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1273 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1274 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1275 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1276 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1277 |
// now write back the cen and end table |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1278 |
end.cenoff = written; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1279 |
for (Entry entry : elist) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1280 |
written += entry.writeCEN(os); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1281 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1282 |
end.centot = elist.size(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1283 |
end.cenlen = written - end.cenoff; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1284 |
end.write(os, written); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1285 |
os.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1286 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1287 |
if (!streams.isEmpty()) { |
7189 | 1288 |
// |
1289 |
// TBD: ExChannelCloser should not be necessary if we only |
|
1290 |
// sync when being closed, all streams should have been |
|
1291 |
// closed already. Keep the logic here for now. |
|
1292 |
// |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1293 |
// There are outstanding input streams open on existing "ch", |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1294 |
// so, don't close the "cha" and delete the "file for now, let |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1295 |
// the "ex-channel-closer" to handle them |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1296 |
ExChannelCloser ecc = new ExChannelCloser( |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1297 |
createTempFileInSameDirectoryAs(zfpath), |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1298 |
ch, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1299 |
streams); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1300 |
zfpath.moveTo(ecc.path, REPLACE_EXISTING); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1301 |
exChClosers.add(ecc); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1302 |
streams = Collections.synchronizedSet(new HashSet<InputStream>()); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1303 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1304 |
ch.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1305 |
zfpath.delete(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1306 |
} |
7189 | 1307 |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1308 |
tmpFile.moveTo(zfpath, REPLACE_EXISTING); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1309 |
hasUpdate = false; // clear |
7189 | 1310 |
/* |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1311 |
if (isOpen) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1312 |
ch = zfpath.newByteChannel(READ); // re-fresh "ch" and "cen" |
7189 | 1313 |
cen = initCEN(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1314 |
} |
7189 | 1315 |
*/ |
1316 |
//System.out.printf("->sync(%s) done!%n", toString()); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1317 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1318 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1319 |
private Entry getEntry0(byte[] path) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1320 |
if (path == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1321 |
throw new NullPointerException("path"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1322 |
if (path.length == 0) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1323 |
return null; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1324 |
IndexNode inode = null; |
7189 | 1325 |
IndexNode key = IndexNode.keyOf(path); |
1326 |
if ((inode = inodes.get(key)) == null) { |
|
1327 |
if (path[path.length -1] == '/') // already has a slash |
|
1328 |
return null; |
|
1329 |
path = Arrays.copyOf(path, path.length + 1); |
|
1330 |
path[path.length - 1] = '/'; |
|
1331 |
if ((inode = inodes.get(key.as(path))) == null) |
|
1332 |
return null; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1333 |
} |
7189 | 1334 |
if (inode instanceof Entry) |
1335 |
return (Entry)inode; |
|
1336 |
return Entry.readCEN(this, inode.pos); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1337 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1338 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1339 |
// Test if the "name" a parent directory of any entry (dir empty) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1340 |
boolean isAncestor(byte[] name) { |
7189 | 1341 |
for (Map.Entry<IndexNode, IndexNode> entry : inodes.entrySet()) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1342 |
byte[] ename = entry.getKey().name; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1343 |
if (isParentOf(name, ename)) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1344 |
return true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1345 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1346 |
return false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1347 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1348 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1349 |
public void deleteFile(byte[] path, boolean failIfNotExists) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1350 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1351 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1352 |
checkWritable(); |
7189 | 1353 |
Entry e = getEntry0(path); |
1354 |
if (e == null) { |
|
1355 |
if (path != null && path.length == 0) |
|
1356 |
throw new ZipException("root directory </> can't not be delete"); |
|
1357 |
if (failIfNotExists) |
|
1358 |
throw new NoSuchFileException(getString(path)); |
|
1359 |
} else { |
|
1360 |
if (e.isDir() && isAncestor(path)) |
|
1361 |
throw new DirectoryNotEmptyException(getString(path)); |
|
1362 |
updateDelete(e); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1363 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1364 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1365 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1366 |
private static void copyStream(InputStream is, OutputStream os) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1367 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1368 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1369 |
byte[] copyBuf = new byte[8192]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1370 |
int n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1371 |
while ((n = is.read(copyBuf)) != -1) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1372 |
os.write(copyBuf, 0, n); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1373 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1374 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1375 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1376 |
// Returns an out stream for either |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1377 |
// (1) writing the contents of a new entry, if the entry exits, or |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1378 |
// (2) updating/replacing the contents of the specified existing entry. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1379 |
private OutputStream getOutputStream(Entry e) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1380 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1381 |
if (e.mtime == -1) |
7189 | 1382 |
e.mtime = System.currentTimeMillis(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1383 |
if (e.method == -1) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1384 |
e.method = METHOD_DEFLATED; // TBD: use default method |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1385 |
// store size, compressed size, and crc-32 in LOC header |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1386 |
e.flag = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1387 |
if (zc.isUTF8()) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1388 |
e.flag |= FLAG_EFS; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1389 |
OutputStream os; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1390 |
if (useTempFile) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1391 |
e.file = getTempPathForEntry(null); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1392 |
os = e.file.newOutputStream(WRITE); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1393 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1394 |
os = new ByteArrayOutputStream((e.size > 0)? (int)e.size : 8192); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1395 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1396 |
return new EntryOutputStream(e, os); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1397 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1398 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1399 |
private InputStream getInputStream(Entry e) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1400 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1401 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1402 |
InputStream eis = null; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1403 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1404 |
if (e.type == Entry.NEW) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1405 |
if (e.bytes != null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1406 |
eis = new ByteArrayInputStream(e.bytes); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1407 |
else if (e.file != null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1408 |
eis = e.file.newInputStream(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1409 |
else |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1410 |
throw new ZipException("update entry data is missing"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1411 |
} else if (e.type == Entry.FILECH) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1412 |
// FILECH result is un-compressed. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1413 |
eis = e.file.newInputStream(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1414 |
// TBD: wrap to hook close() |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1415 |
// streams.add(eis); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1416 |
return eis; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1417 |
} else { // untouced CEN or COPY |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1418 |
eis = new EntryInputStream(e, ch); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1419 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1420 |
if (e.method == METHOD_DEFLATED) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1421 |
// MORE: Compute good size for inflater stream: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1422 |
long bufSize = e.size + 2; // Inflater likes a bit of slack |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1423 |
if (bufSize > 65536) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1424 |
bufSize = 8192; |
7189 | 1425 |
final long size = e.size; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1426 |
eis = new InflaterInputStream(eis, getInflater(), (int)bufSize) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1427 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1428 |
private boolean isClosed = false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1429 |
public void close() throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1430 |
if (!isClosed) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1431 |
releaseInflater(inf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1432 |
this.in.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1433 |
isClosed = true; |
7189 | 1434 |
streams.remove(this); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1435 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1436 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1437 |
// Override fill() method to provide an extra "dummy" byte |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1438 |
// at the end of the input stream. This is required when |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1439 |
// using the "nowrap" Inflater option. (it appears the new |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1440 |
// zlib in 7 does not need it, but keep it for now) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1441 |
protected void fill() throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1442 |
if (eof) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1443 |
throw new EOFException( |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1444 |
"Unexpected end of ZLIB input stream"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1445 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1446 |
len = this.in.read(buf, 0, buf.length); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1447 |
if (len == -1) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1448 |
buf[0] = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1449 |
len = 1; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1450 |
eof = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1451 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1452 |
inf.setInput(buf, 0, len); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1453 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1454 |
private boolean eof; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1455 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1456 |
public int available() throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1457 |
if (isClosed) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1458 |
return 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1459 |
long avail = size - inf.getBytesWritten(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1460 |
return avail > (long) Integer.MAX_VALUE ? |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1461 |
Integer.MAX_VALUE : (int) avail; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1462 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1463 |
}; |
7189 | 1464 |
} else if (e.method == METHOD_STORED) { |
1465 |
// TBD: wrap/ it does not seem necessary |
|
1466 |
} else { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1467 |
throw new ZipException("invalid compression method"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1468 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1469 |
streams.add(eis); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1470 |
return eis; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1471 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1472 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1473 |
// Inner class implementing the input stream used to read |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1474 |
// a (possibly compressed) zip file entry. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1475 |
private class EntryInputStream extends InputStream { |
7189 | 1476 |
private final SeekableByteChannel zfch; // local ref to zipfs's "ch". zipfs.ch might |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1477 |
// point to a new channel after sync() |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1478 |
private long pos; // current position within entry data |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1479 |
protected long rem; // number of remaining bytes within entry |
7189 | 1480 |
protected final long size; // uncompressed size of this entry |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1481 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1482 |
EntryInputStream(Entry e, SeekableByteChannel zfch) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1483 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1484 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1485 |
this.zfch = zfch; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1486 |
rem = e.csize; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1487 |
size = e.size; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1488 |
pos = getDataPos(e); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1489 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1490 |
public int read(byte b[], int off, int len) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1491 |
ensureOpen(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1492 |
if (rem == 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1493 |
return -1; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1494 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1495 |
if (len <= 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1496 |
return 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1497 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1498 |
if (len > rem) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1499 |
len = (int) rem; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1500 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1501 |
// readFullyAt() |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1502 |
long n = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1503 |
ByteBuffer bb = ByteBuffer.wrap(b); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1504 |
bb.position(off); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1505 |
bb.limit(off + len); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1506 |
synchronized(zfch) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1507 |
n = zfch.position(pos).read(bb); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1508 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1509 |
if (n > 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1510 |
pos += n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1511 |
rem -= n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1512 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1513 |
if (rem == 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1514 |
close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1515 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1516 |
return (int)n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1517 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1518 |
public int read() throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1519 |
byte[] b = new byte[1]; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1520 |
if (read(b, 0, 1) == 1) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1521 |
return b[0] & 0xff; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1522 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1523 |
return -1; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1524 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1525 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1526 |
public long skip(long n) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1527 |
ensureOpen(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1528 |
if (n > rem) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1529 |
n = rem; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1530 |
pos += n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1531 |
rem -= n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1532 |
if (rem == 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1533 |
close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1534 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1535 |
return n; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1536 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1537 |
public int available() { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1538 |
return rem > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) rem; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1539 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1540 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1541 |
public long size() { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1542 |
return size; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1543 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1544 |
public void close() { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1545 |
rem = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1546 |
streams.remove(this); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1547 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1548 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1549 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1550 |
class EntryOutputStream extends DeflaterOutputStream |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1551 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1552 |
private CRC32 crc; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1553 |
private Entry e; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1554 |
private long written; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1555 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1556 |
EntryOutputStream(Entry e, OutputStream os) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1557 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1558 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1559 |
super(os, getDeflater()); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1560 |
if (e == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1561 |
throw new NullPointerException("Zip entry is null"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1562 |
this.e = e; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1563 |
crc = new CRC32(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1564 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1565 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1566 |
@Override |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1567 |
public void write(byte b[], int off, int len) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1568 |
if (e.type != Entry.FILECH) // only from sync |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1569 |
ensureOpen(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1570 |
if (off < 0 || len < 0 || off > b.length - len) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1571 |
throw new IndexOutOfBoundsException(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1572 |
} else if (len == 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1573 |
return; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1574 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1575 |
switch (e.method) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1576 |
case METHOD_DEFLATED: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1577 |
super.write(b, off, len); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1578 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1579 |
case METHOD_STORED: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1580 |
written += len; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1581 |
out.write(b, off, len); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1582 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1583 |
default: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1584 |
throw new ZipException("invalid compression method"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1585 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1586 |
crc.update(b, off, len); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1587 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1588 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1589 |
@Override |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1590 |
public void close() throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1591 |
// TBD ensureOpen(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1592 |
switch (e.method) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1593 |
case METHOD_DEFLATED: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1594 |
finish(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1595 |
e.size = def.getBytesRead(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1596 |
e.csize = def.getBytesWritten(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1597 |
e.crc = crc.getValue(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1598 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1599 |
case METHOD_STORED: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1600 |
// we already know that both e.size and e.csize are the same |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1601 |
e.size = e.csize = written; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1602 |
e.crc = crc.getValue(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1603 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1604 |
default: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1605 |
throw new ZipException("invalid compression method"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1606 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1607 |
//crc.reset(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1608 |
if (out instanceof ByteArrayOutputStream) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1609 |
e.bytes = ((ByteArrayOutputStream)out).toByteArray(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1610 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1611 |
if (e.type == Entry.FILECH) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1612 |
releaseDeflater(def); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1613 |
return; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1614 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1615 |
super.close(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1616 |
releaseDeflater(def); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1617 |
update(e); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1618 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1619 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1620 |
|
7189 | 1621 |
static void zerror(String msg) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1622 |
throw new ZipError(msg); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1623 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1624 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1625 |
// Maxmum number of de/inflater we cache |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1626 |
private final int MAX_FLATER = 20; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1627 |
// List of available Inflater objects for decompression |
7189 | 1628 |
private final List<Inflater> inflaters = new ArrayList<>(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1629 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1630 |
// Gets an inflater from the list of available inflaters or allocates |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1631 |
// a new one. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1632 |
private Inflater getInflater() { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1633 |
synchronized (inflaters) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1634 |
int size = inflaters.size(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1635 |
if (size > 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1636 |
Inflater inf = (Inflater)inflaters.remove(size - 1); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1637 |
return inf; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1638 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1639 |
return new Inflater(true); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1640 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1641 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1642 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1643 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1644 |
// Releases the specified inflater to the list of available inflaters. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1645 |
private void releaseInflater(Inflater inf) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1646 |
synchronized (inflaters) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1647 |
if (inflaters.size() < MAX_FLATER) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1648 |
inf.reset(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1649 |
inflaters.add(inf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1650 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1651 |
inf.end(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1652 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1653 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1654 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1655 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1656 |
// List of available Deflater objects for compression |
7189 | 1657 |
private final List<Deflater> deflaters = new ArrayList<>(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1658 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1659 |
// Gets an deflater from the list of available deflaters or allocates |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1660 |
// a new one. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1661 |
private Deflater getDeflater() { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1662 |
synchronized (deflaters) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1663 |
int size = deflaters.size(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1664 |
if (size > 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1665 |
Deflater def = (Deflater)deflaters.remove(size - 1); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1666 |
return def; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1667 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1668 |
return new Deflater(Deflater.DEFAULT_COMPRESSION, true); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1669 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1670 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1671 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1672 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1673 |
// Releases the specified inflater to the list of available inflaters. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1674 |
private void releaseDeflater(Deflater def) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1675 |
synchronized (deflaters) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1676 |
if (inflaters.size() < MAX_FLATER) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1677 |
def.reset(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1678 |
deflaters.add(def); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1679 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1680 |
def.end(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1681 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1682 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1683 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1684 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1685 |
// End of central directory record |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1686 |
static class END { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1687 |
int disknum; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1688 |
int sdisknum; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1689 |
int endsub; // endsub |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1690 |
int centot; // 4 bytes |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1691 |
long cenlen; // 4 bytes |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1692 |
long cenoff; // 4 bytes |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1693 |
int comlen; // comment length |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1694 |
byte[] comment; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1695 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1696 |
/* members of Zip64 end of central directory locator */ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1697 |
int diskNum; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1698 |
long endpos; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1699 |
int disktot; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1700 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1701 |
void write(OutputStream os, long offset) throws IOException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1702 |
boolean hasZip64 = false; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1703 |
long xlen = cenlen; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1704 |
long xoff = cenoff; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1705 |
if (xlen >= ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1706 |
xlen = ZIP64_MINVAL; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1707 |
hasZip64 = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1708 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1709 |
if (xoff >= ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1710 |
xoff = ZIP64_MINVAL; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1711 |
hasZip64 = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1712 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1713 |
int count = centot; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1714 |
if (count >= ZIP64_MINVAL32) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1715 |
count = ZIP64_MINVAL32; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1716 |
hasZip64 = true; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1717 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1718 |
if (hasZip64) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1719 |
long off64 = offset; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1720 |
//zip64 end of central directory record |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1721 |
writeInt(os, ZIP64_ENDSIG); // zip64 END record signature |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1722 |
writeLong(os, ZIP64_ENDHDR - 12); // size of zip64 end |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1723 |
writeShort(os, 45); // version made by |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1724 |
writeShort(os, 45); // version needed to extract |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1725 |
writeInt(os, 0); // number of this disk |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1726 |
writeInt(os, 0); // central directory start disk |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1727 |
writeLong(os, centot); // number of directory entires on disk |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1728 |
writeLong(os, centot); // number of directory entires |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1729 |
writeLong(os, cenlen); // length of central directory |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1730 |
writeLong(os, cenoff); // offset of central directory |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1731 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1732 |
//zip64 end of central directory locator |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1733 |
writeInt(os, ZIP64_LOCSIG); // zip64 END locator signature |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1734 |
writeInt(os, 0); // zip64 END start disk |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1735 |
writeLong(os, off64); // offset of zip64 END |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1736 |
writeInt(os, 1); // total number of disks (?) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1737 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1738 |
writeInt(os, ENDSIG); // END record signature |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1739 |
writeShort(os, 0); // number of this disk |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1740 |
writeShort(os, 0); // central directory start disk |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1741 |
writeShort(os, count); // number of directory entries on disk |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1742 |
writeShort(os, count); // total number of directory entries |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1743 |
writeInt(os, xlen); // length of central directory |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1744 |
writeInt(os, xoff); // offset of central directory |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1745 |
if (comment != null) { // zip file comment |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1746 |
writeShort(os, comment.length); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1747 |
writeBytes(os, comment); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1748 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1749 |
writeShort(os, 0); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1750 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1751 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1752 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1753 |
|
7189 | 1754 |
// Internal node that links a "name" to its pos in cen table. |
1755 |
// The node itself can be used as a "key" to lookup itself in |
|
1756 |
// the HashMap inodes. |
|
1757 |
static class IndexNode { |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1758 |
byte[] name; |
7189 | 1759 |
int hashcode; // node is hashable/hashed by its name |
1760 |
int pos = -1; // postion in cen table, -1 menas the |
|
1761 |
// entry does not exists in zip file |
|
1762 |
IndexNode(byte[] name, int pos) { |
|
1763 |
as(name); |
|
1764 |
this.pos = pos; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1765 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1766 |
|
7189 | 1767 |
final static IndexNode keyOf(byte[] name) { // get a lookup key; |
1768 |
return new IndexNode(name, -1); |
|
1769 |
} |
|
1770 |
||
1771 |
final IndexNode as(byte[] name) { // reuse the node, mostly |
|
1772 |
this.name = name; // as a lookup "key" |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1773 |
this.hashcode = Arrays.hashCode(name); |
7189 | 1774 |
return this; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1775 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1776 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1777 |
public boolean equals(Object other) { |
7189 | 1778 |
if (!(other instanceof IndexNode)) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1779 |
return false; |
7189 | 1780 |
return Arrays.equals(name, ((IndexNode)other).name); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1781 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1782 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1783 |
public int hashCode() { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1784 |
return hashcode; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1785 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1786 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1787 |
IndexNode() {} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1788 |
IndexNode sibling; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1789 |
IndexNode child; // 1st child |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1790 |
} |
d8229570529d
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sherman
parents:
diff
changeset
|
1791 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1792 |
static class Entry extends IndexNode { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1793 |
|
d8229570529d
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sherman
parents:
diff
changeset
|
1794 |
static final int CEN = 1; // entry read from cen |
d8229570529d
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|
1795 |
static final int NEW = 2; // updated contents in bytes or file |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
1796 |
static final int FILECH = 3; // fch update in "file" |
d8229570529d
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parents:
diff
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|
1797 |
static final int COPY = 4; // copy of a CEN entry |
d8229570529d
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sherman
parents:
diff
changeset
|
1798 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1799 |
byte[] bytes; // updated content bytes |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1800 |
Path file; // use tmp file to store bytes; |
d8229570529d
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sherman
parents:
diff
changeset
|
1801 |
int type = CEN; // default is the entry read from cen |
d8229570529d
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sherman
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diff
changeset
|
1802 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1803 |
// entry attributes |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1804 |
int version; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1805 |
int flag; |
d8229570529d
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sherman
parents:
diff
changeset
|
1806 |
int method = -1; // compression method |
d8229570529d
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sherman
parents:
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|
1807 |
long mtime = -1; // last modification time (in DOS time) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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|
1808 |
long atime = -1; // last access time |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
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changeset
|
1809 |
long ctime = -1; // create time |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1810 |
long crc = -1; // crc-32 of entry data |
d8229570529d
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parents:
diff
changeset
|
1811 |
long csize = -1; // compressed size of entry data |
d8229570529d
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sherman
parents:
diff
changeset
|
1812 |
long size = -1; // uncompressed size of entry data |
d8229570529d
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sherman
parents:
diff
changeset
|
1813 |
byte[] extra; |
d8229570529d
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sherman
parents:
diff
changeset
|
1814 |
|
d8229570529d
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sherman
parents:
diff
changeset
|
1815 |
// cen |
d8229570529d
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sherman
parents:
diff
changeset
|
1816 |
int versionMade; |
d8229570529d
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sherman
parents:
diff
changeset
|
1817 |
int disk; |
d8229570529d
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sherman
parents:
diff
changeset
|
1818 |
int attrs; |
d8229570529d
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sherman
parents:
diff
changeset
|
1819 |
long attrsEx; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1820 |
long locoff; |
d8229570529d
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sherman
parents:
diff
changeset
|
1821 |
byte[] comment; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
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diff
changeset
|
1822 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1823 |
Entry() {} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1824 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1825 |
Entry(byte[] name) { |
7189 | 1826 |
this.name = name; |
1827 |
this.mtime = System.currentTimeMillis(); |
|
1828 |
this.crc = 0; |
|
1829 |
this.size = 0; |
|
1830 |
this.csize = 0; |
|
1831 |
this.method = METHOD_DEFLATED; |
|
6699
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diff
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|
1832 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1833 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1834 |
Entry(byte[] name, int type) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1835 |
this(name); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1836 |
this.type = type; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1837 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1838 |
|
7189 | 1839 |
Entry (Entry e, int type) { |
6699
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diff
changeset
|
1840 |
this.version = e.version; |
7189 | 1841 |
this.name = e.name; |
6699
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diff
changeset
|
1842 |
this.ctime = e.ctime; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1843 |
this.atime = e.atime; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1844 |
this.mtime = e.mtime; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1845 |
this.crc = e.crc; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1846 |
this.size = e.size; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1847 |
this.csize = e.csize; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1848 |
this.method = e.method; |
7189 | 1849 |
this.extra = e.extra; |
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
changeset
|
1850 |
this.versionMade = e.versionMade; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1851 |
this.disk = e.disk; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1852 |
this.attrs = e.attrs; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1853 |
this.attrsEx = e.attrsEx; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1854 |
this.locoff = e.locoff; |
7189 | 1855 |
this.comment = e.comment; |
1856 |
||
1857 |
this.type = type; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
changeset
|
1858 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1859 |
|
7189 | 1860 |
Entry (byte[] name, Path file, int type) { |
1861 |
this(name, type); |
|
1862 |
this.file = file; |
|
1863 |
this.method = METHOD_STORED; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1864 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1865 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1866 |
boolean isDir() { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1867 |
return name != null && |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1868 |
(name.length == 0 || |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1869 |
name[name.length - 1] == '/'); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1870 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1871 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1872 |
int version() throws ZipException { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1873 |
if (method == METHOD_DEFLATED) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1874 |
return 20; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1875 |
else if (method == METHOD_STORED) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1876 |
return 10; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1877 |
throw new ZipException("unsupported compression method"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1878 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1879 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1880 |
///////////////////// CEN ////////////////////// |
7189 | 1881 |
static Entry readCEN(ZipFileSystem zipfs, int pos) |
1882 |
throws IOException |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1883 |
{ |
7189 | 1884 |
return new Entry().cen(zipfs, pos); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1885 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1886 |
|
7189 | 1887 |
private Entry cen(ZipFileSystem zipfs, int pos) |
1888 |
throws IOException |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1889 |
{ |
7189 | 1890 |
byte[] cen = zipfs.cen; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1891 |
if (CENSIG(cen, pos) != CENSIG) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1892 |
zerror("invalid CEN header (bad signature)"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1893 |
versionMade = CENVEM(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1894 |
version = CENVER(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1895 |
flag = CENFLG(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1896 |
method = CENHOW(cen, pos); |
7189 | 1897 |
mtime = dosToJavaTime(CENTIM(cen, pos)); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1898 |
crc = CENCRC(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1899 |
csize = CENSIZ(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1900 |
size = CENLEN(cen, pos); |
7189 | 1901 |
int nlen = CENNAM(cen, pos); |
1902 |
int elen = CENEXT(cen, pos); |
|
1903 |
int clen = CENCOM(cen, pos); |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1904 |
disk = CENDSK(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1905 |
attrs = CENATT(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1906 |
attrsEx = CENATX(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1907 |
locoff = CENOFF(cen, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1908 |
|
7189 | 1909 |
pos += CENHDR; |
1910 |
name = Arrays.copyOfRange(cen, pos, pos + nlen); |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
changeset
|
1911 |
|
7189 | 1912 |
pos += nlen; |
6699
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parents:
diff
changeset
|
1913 |
if (elen > 0) { |
7189 | 1914 |
extra = Arrays.copyOfRange(cen, pos, pos + elen); |
1915 |
pos += elen; |
|
1916 |
readExtra(zipfs); |
|
6699
d8229570529d
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parents:
diff
changeset
|
1917 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1918 |
if (clen > 0) { |
7189 | 1919 |
comment = Arrays.copyOfRange(cen, pos, pos + clen); |
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1920 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1921 |
return this; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1922 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1923 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1924 |
int writeCEN(OutputStream os) throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1925 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1926 |
int written = CENHDR; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1927 |
int version0 = version(); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1928 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1929 |
long csize0 = csize; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1930 |
long size0 = size; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1931 |
long locoff0 = locoff; |
7189 | 1932 |
int elen64 = 0; // extra for ZIP64 |
1933 |
int elenNTFS = 0; // extra for NTFS (a/c/mtime) |
|
1934 |
int elenEXTT = 0; // extra for Extended Timestamp |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1935 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1936 |
// confirm size/length |
7189 | 1937 |
int nlen = (name != null) ? name.length : 0; |
1938 |
int elen = (extra != null) ? extra.length : 0; |
|
1939 |
int clen = (comment != null) ? comment.length : 0; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1940 |
if (csize >= ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1941 |
csize0 = ZIP64_MINVAL; |
7189 | 1942 |
elen64 += 8; // csize(8) |
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
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|
1943 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1944 |
if (size >= ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1945 |
size0 = ZIP64_MINVAL; // size(8) |
7189 | 1946 |
elen64 += 8; |
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
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|
1947 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1948 |
if (locoff >= ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1949 |
locoff0 = ZIP64_MINVAL; |
7189 | 1950 |
elen64 += 8; // offset(8) |
1951 |
} |
|
1952 |
if (elen64 != 0) |
|
1953 |
elen64 += 4; // header and data sz 4 bytes |
|
1954 |
||
1955 |
if (atime != -1) { |
|
1956 |
if (isWindows) // use NTFS |
|
1957 |
elenNTFS = 36; // total 36 bytes |
|
1958 |
else // Extended Timestamp otherwise |
|
1959 |
elenEXTT = 9; // only mtime in cen |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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diff
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|
1960 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1961 |
writeInt(os, CENSIG); // CEN header signature |
7189 | 1962 |
if (elen64 != 0) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1963 |
writeShort(os, 45); // ver 4.5 for zip64 |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1964 |
writeShort(os, 45); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1965 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1966 |
writeShort(os, version0); // version made by |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1967 |
writeShort(os, version0); // version needed to extract |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1968 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1969 |
writeShort(os, flag); // general purpose bit flag |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1970 |
writeShort(os, method); // compression method |
7189 | 1971 |
// last modification time |
1972 |
writeInt(os, (int)javaToDosTime(mtime)); |
|
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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changeset
|
1973 |
writeInt(os, crc); // crc-32 |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1974 |
writeInt(os, csize0); // compressed size |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1975 |
writeInt(os, size0); // uncompressed size |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1976 |
writeShort(os, name.length); |
7189 | 1977 |
writeShort(os, elen + elen64 + elenNTFS + elenEXTT); |
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
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parents:
diff
changeset
|
1978 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1979 |
if (comment != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1980 |
writeShort(os, Math.min(clen, 0xffff)); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1981 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1982 |
writeShort(os, 0); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1983 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1984 |
writeShort(os, 0); // starting disk number |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1985 |
writeShort(os, 0); // internal file attributes (unused) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1986 |
writeInt(os, 0); // external file attributes (unused) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1987 |
writeInt(os, locoff0); // relative offset of local header |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1988 |
writeBytes(os, name); |
7189 | 1989 |
if (elen64 != 0) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1990 |
writeShort(os, EXTID_ZIP64);// Zip64 extra |
7189 | 1991 |
writeShort(os, elen64); // size of "this" extra block |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1992 |
if (size0 == ZIP64_MINVAL) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1993 |
writeLong(os, size); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1994 |
if (csize0 == ZIP64_MINVAL) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1995 |
writeLong(os, csize); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1996 |
if (locoff0 == ZIP64_MINVAL) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1997 |
writeLong(os, locoff); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
1998 |
} |
7189 | 1999 |
if (elenNTFS != 0) { |
2000 |
// System.out.println("writing NTFS:" + elenNTFS); |
|
2001 |
writeShort(os, EXTID_NTFS); |
|
2002 |
writeShort(os, elenNTFS - 4); |
|
2003 |
writeInt(os, 0); // reserved |
|
2004 |
writeShort(os, 0x0001); // NTFS attr tag |
|
2005 |
writeShort(os, 24); |
|
2006 |
writeLong(os, javaToWinTime(mtime)); |
|
2007 |
writeLong(os, javaToWinTime(atime)); |
|
2008 |
writeLong(os, javaToWinTime(ctime)); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2009 |
} |
7189 | 2010 |
if (elenEXTT != 0) { |
2011 |
writeShort(os, EXTID_EXTT); |
|
2012 |
writeShort(os, elenEXTT - 4); |
|
2013 |
if (ctime == -1) |
|
2014 |
os.write(0x3); // mtime and atime |
|
2015 |
else |
|
2016 |
os.write(0x7); // mtime, atime and ctime |
|
2017 |
writeInt(os, javaToUnixTime(mtime)); |
|
2018 |
} |
|
2019 |
if (extra != null) // whatever not recognized |
|
2020 |
writeBytes(os, extra); |
|
2021 |
if (comment != null) //TBD: 0, Math.min(commentBytes.length, 0xffff)); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2022 |
writeBytes(os, comment); |
7189 | 2023 |
return CENHDR + nlen + elen + clen + elen64 + elenNTFS + elenEXTT; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2024 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2025 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2026 |
///////////////////// LOC ////////////////////// |
7189 | 2027 |
static Entry readLOC(ZipFileSystem zipfs, long pos) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2028 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2029 |
{ |
7189 | 2030 |
return readLOC(zipfs, pos, new byte[1024]); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2031 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2032 |
|
7189 | 2033 |
static Entry readLOC(ZipFileSystem zipfs, long pos, byte[] buf) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2034 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2035 |
{ |
7189 | 2036 |
return new Entry().loc(zipfs, pos, buf); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2037 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2038 |
|
7189 | 2039 |
Entry loc(ZipFileSystem zipfs, long pos, byte[] buf) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2040 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2041 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2042 |
assert (buf.length >= LOCHDR); |
7189 | 2043 |
if (zipfs.readFullyAt(buf, 0, LOCHDR , pos) != LOCHDR) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2044 |
throw new ZipException("loc: reading failed"); |
7189 | 2045 |
if (LOCSIG(buf) != LOCSIG) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2046 |
throw new ZipException("loc: wrong sig ->" |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2047 |
+ Long.toString(LOCSIG(buf), 16)); |
7189 | 2048 |
//startPos = pos; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2049 |
version = LOCVER(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2050 |
flag = LOCFLG(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2051 |
method = LOCHOW(buf); |
7189 | 2052 |
mtime = dosToJavaTime(LOCTIM(buf)); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2053 |
crc = LOCCRC(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2054 |
csize = LOCSIZ(buf); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2055 |
size = LOCLEN(buf); |
7189 | 2056 |
int nlen = LOCNAM(buf); |
2057 |
int elen = LOCEXT(buf); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2058 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2059 |
name = new byte[nlen]; |
7189 | 2060 |
if (zipfs.readFullyAt(name, 0, nlen, pos + LOCHDR) != nlen) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2061 |
throw new ZipException("loc: name reading failed"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2062 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2063 |
if (elen > 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2064 |
extra = new byte[elen]; |
7189 | 2065 |
if (zipfs.readFullyAt(extra, 0, elen, pos + LOCHDR + nlen) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2066 |
!= elen) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2067 |
throw new ZipException("loc: ext reading failed"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2068 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2069 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2070 |
pos += (LOCHDR + nlen + elen); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2071 |
if ((flag & FLAG_DATADESCR) != 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2072 |
// Data Descriptor |
7189 | 2073 |
Entry e = zipfs.getEntry0(name); // get the size/csize from cen |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2074 |
if (e == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2075 |
throw new ZipException("loc: name not found in cen"); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2076 |
size = e.size; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2077 |
csize = e.csize; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2078 |
pos += (method == METHOD_STORED ? size : csize); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2079 |
if (size >= ZIP64_MINVAL || csize >= ZIP64_MINVAL) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2080 |
pos += 24; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2081 |
else |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2082 |
pos += 16; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2083 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2084 |
if (extra != null && |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2085 |
(size == ZIP64_MINVAL || csize == ZIP64_MINVAL)) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2086 |
// zip64 ext: must include both size and csize |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2087 |
int off = 0; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2088 |
while (off + 20 < elen) { // HeaderID+DataSize+Data |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2089 |
int sz = SH(extra, off + 2); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2090 |
if (SH(extra, off) == EXTID_ZIP64 && sz == 16) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2091 |
size = LL(extra, off + 4); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2092 |
csize = LL(extra, off + 12); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2093 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2094 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2095 |
off += (sz + 4); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2096 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2097 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2098 |
pos += (method == METHOD_STORED ? size : csize); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2099 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2100 |
return this; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2101 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2102 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2103 |
int writeLOC(OutputStream os) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2104 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2105 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2106 |
writeInt(os, LOCSIG); // LOC header signature |
7189 | 2107 |
int version = version(); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2108 |
|
7189 | 2109 |
int nlen = (name != null) ? name.length : 0; |
2110 |
int elen = (extra != null) ? extra.length : 0; |
|
2111 |
int elen64 = 0; |
|
2112 |
int elenEXTT = 0; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2113 |
if ((flag & FLAG_DATADESCR) != 0) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2114 |
writeShort(os, version()); // version needed to extract |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2115 |
writeShort(os, flag); // general purpose bit flag |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2116 |
writeShort(os, method); // compression method |
7189 | 2117 |
// last modification time |
2118 |
writeInt(os, (int)javaToDosTime(mtime)); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2119 |
// store size, uncompressed size, and crc-32 in data descriptor |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2120 |
// immediately following compressed entry data |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2121 |
writeInt(os, 0); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2122 |
writeInt(os, 0); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2123 |
writeInt(os, 0); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2124 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2125 |
if (csize >= ZIP64_MINVAL || size >= ZIP64_MINVAL) { |
7189 | 2126 |
elen64 = 20; //headid(2) + size(2) + size(8) + csize(8) |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2127 |
writeShort(os, 45); // ver 4.5 for zip64 |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2128 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2129 |
writeShort(os, version()); // version needed to extract |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2130 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2131 |
writeShort(os, flag); // general purpose bit flag |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2132 |
writeShort(os, method); // compression method |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2133 |
writeInt(os, mtime); // last modification time |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2134 |
writeInt(os, crc); // crc-32 |
7189 | 2135 |
if (elen64 != 0) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2136 |
writeInt(os, ZIP64_MINVAL); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2137 |
writeInt(os, ZIP64_MINVAL); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2138 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2139 |
writeInt(os, csize); // compressed size |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2140 |
writeInt(os, size); // uncompressed size |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2141 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2142 |
} |
7189 | 2143 |
if (atime != -1 && !isWindows) { // on unix use "ext time" |
2144 |
if (ctime == -1) |
|
2145 |
elenEXTT = 13; |
|
2146 |
else |
|
2147 |
elenEXTT = 17; |
|
2148 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2149 |
writeShort(os, name.length); |
7189 | 2150 |
writeShort(os, elen + elen64 + elenEXTT); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2151 |
writeBytes(os, name); |
7189 | 2152 |
if (elen64 != 0) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2153 |
writeShort(os, EXTID_ZIP64); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2154 |
writeShort(os, 16); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2155 |
writeLong(os, size); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2156 |
writeLong(os, csize); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2157 |
} |
7189 | 2158 |
if (elenEXTT != 0) { |
2159 |
writeShort(os, EXTID_EXTT); |
|
2160 |
writeShort(os, elenEXTT - 4);// size for the folowing data block |
|
2161 |
if (ctime == -1) |
|
2162 |
os.write(0x3); // mtime and atime |
|
2163 |
else |
|
2164 |
os.write(0x7); // mtime, atime and ctime |
|
2165 |
writeInt(os, javaToUnixTime(mtime)); |
|
2166 |
writeInt(os, javaToUnixTime(atime)); |
|
2167 |
if (ctime != -1) |
|
2168 |
writeInt(os, javaToUnixTime(ctime)); |
|
2169 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2170 |
if (extra != null) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2171 |
writeBytes(os, extra); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2172 |
} |
7189 | 2173 |
return LOCHDR + name.length + elen + elen64 + elenEXTT; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2174 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2175 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2176 |
// Data Descriptior |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2177 |
int writeEXT(OutputStream os) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2178 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2179 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2180 |
writeInt(os, EXTSIG); // EXT header signature |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2181 |
writeInt(os, crc); // crc-32 |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2182 |
if (csize >= ZIP64_MINVAL || size >= ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2183 |
writeLong(os, csize); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2184 |
writeLong(os, size); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2185 |
return 24; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2186 |
} else { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2187 |
writeInt(os, csize); // compressed size |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2188 |
writeInt(os, size); // uncompressed size |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2189 |
return 16; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2190 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2191 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2192 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2193 |
// read NTFS, UNIX and ZIP64 data from cen.extra |
7189 | 2194 |
void readExtra(ZipFileSystem zipfs) throws IOException { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2195 |
if (extra == null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2196 |
return; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2197 |
int elen = extra.length; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2198 |
int off = 0; |
7189 | 2199 |
int newOff = 0; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2200 |
while (off + 4 < elen) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2201 |
// extra spec: HeaderID+DataSize+Data |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2202 |
int pos = off; |
7189 | 2203 |
int tag = SH(extra, pos); |
2204 |
int sz = SH(extra, pos + 2); |
|
2205 |
pos += 4; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2206 |
if (pos + sz > elen) // invalid data |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2207 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2208 |
switch (tag) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2209 |
case EXTID_ZIP64 : |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2210 |
if (size == ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2211 |
if (pos + 8 > elen) // invalid zip64 extra |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2212 |
break; // fields, just skip |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2213 |
size = LL(extra, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2214 |
pos += 8; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2215 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2216 |
if (csize == ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2217 |
if (pos + 8 > elen) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2218 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2219 |
csize = LL(extra, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2220 |
pos += 8; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2221 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2222 |
if (locoff == ZIP64_MINVAL) { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2223 |
if (pos + 8 > elen) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2224 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2225 |
locoff = LL(extra, pos); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2226 |
pos += 8; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2227 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2228 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2229 |
case EXTID_NTFS: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2230 |
pos += 4; // reserved 4 bytes |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2231 |
if (SH(extra, pos) != 0x0001) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2232 |
break; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2233 |
if (SH(extra, pos + 2) != 24) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2234 |
break; |
7189 | 2235 |
// override the loc field, datatime here is |
2236 |
// more "accurate" |
|
2237 |
mtime = winToJavaTime(LL(extra, pos + 4)); |
|
2238 |
atime = winToJavaTime(LL(extra, pos + 12)); |
|
2239 |
ctime = winToJavaTime(LL(extra, pos + 20)); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2240 |
break; |
7189 | 2241 |
case EXTID_EXTT: |
2242 |
// spec says the Extened timestamp in cen only has mtime |
|
2243 |
// need to read the loc to get the extra a/ctime |
|
2244 |
byte[] buf = new byte[LOCHDR]; |
|
2245 |
if (zipfs.readFullyAt(buf, 0, buf.length , locoff) |
|
2246 |
!= buf.length) |
|
2247 |
throw new ZipException("loc: reading failed"); |
|
2248 |
if (LOCSIG(buf) != LOCSIG) |
|
2249 |
throw new ZipException("loc: wrong sig ->" |
|
2250 |
+ Long.toString(LOCSIG(buf), 16)); |
|
2251 |
||
2252 |
int locElen = LOCEXT(buf); |
|
2253 |
if (locElen < 9) // EXTT is at lease 9 bytes |
|
2254 |
break; |
|
2255 |
int locNlen = LOCNAM(buf); |
|
2256 |
buf = new byte[locElen]; |
|
2257 |
if (zipfs.readFullyAt(buf, 0, buf.length , locoff + LOCHDR + locNlen) |
|
2258 |
!= buf.length) |
|
2259 |
throw new ZipException("loc extra: reading failed"); |
|
2260 |
int locPos = 0; |
|
2261 |
while (locPos + 4 < buf.length) { |
|
2262 |
int locTag = SH(buf, locPos); |
|
2263 |
int locSZ = SH(buf, locPos + 2); |
|
2264 |
locPos += 4; |
|
2265 |
if (locTag != EXTID_EXTT) { |
|
2266 |
locPos += locSZ; |
|
2267 |
continue; |
|
2268 |
} |
|
2269 |
int flag = CH(buf, locPos++); |
|
2270 |
if ((flag & 0x1) != 0) { |
|
2271 |
mtime = unixToJavaTime(LG(buf, locPos)); |
|
2272 |
locPos += 4; |
|
2273 |
} |
|
2274 |
if ((flag & 0x2) != 0) { |
|
2275 |
atime = unixToJavaTime(LG(buf, locPos)); |
|
2276 |
locPos += 4; |
|
2277 |
} |
|
2278 |
if ((flag & 0x4) != 0) { |
|
2279 |
ctime = unixToJavaTime(LG(buf, locPos)); |
|
2280 |
locPos += 4; |
|
2281 |
} |
|
2282 |
break; |
|
2283 |
} |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2284 |
break; |
7189 | 2285 |
default: // unknown tag |
2286 |
System.arraycopy(extra, off, extra, newOff, sz + 4); |
|
2287 |
newOff += (sz + 4); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2288 |
} |
7189 | 2289 |
off += (sz + 4); |
6699
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6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2290 |
} |
7189 | 2291 |
if (newOff != 0 && newOff != extra.length) |
2292 |
extra = Arrays.copyOf(extra, newOff); |
|
2293 |
else |
|
2294 |
extra = null; |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2295 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2296 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2297 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2298 |
private static class ExChannelCloser { |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2299 |
Path path; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2300 |
SeekableByteChannel ch; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2301 |
Set<InputStream> streams; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2302 |
ExChannelCloser(Path path, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2303 |
SeekableByteChannel ch, |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2304 |
Set<InputStream> streams) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2305 |
{ |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2306 |
this.path = path; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2307 |
this.ch = ch; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2308 |
this.streams = streams; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2309 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2310 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2311 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2312 |
// ZIP directory has two issues: |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2313 |
// (1) ZIP spec does not require the ZIP file to include |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2314 |
// directory entry |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2315 |
// (2) all entries are not stored/organized in a "tree" |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2316 |
// structure. |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2317 |
// A possible solution is to build the node tree ourself as |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2318 |
// implemented below. |
7189 | 2319 |
private HashMap<IndexNode, IndexNode> dirs; |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2320 |
private IndexNode root; |
7189 | 2321 |
private IndexNode addToDir(IndexNode child) { |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2322 |
IndexNode cinode = dirs.get(child); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2323 |
if (cinode != null) |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2324 |
return cinode; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2325 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2326 |
byte[] cname = child.name; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2327 |
byte[] pname = getParent(cname); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2328 |
IndexNode pinode; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2329 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2330 |
if (pname != null) |
7189 | 2331 |
pinode = addToDir(IndexNode.keyOf(pname)); |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2332 |
else |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2333 |
pinode = root; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2334 |
cinode = inodes.get(child); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2335 |
if (cname[cname.length -1] != '/') { // not a dir |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2336 |
cinode.sibling = pinode.child; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2337 |
pinode.child = cinode; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2338 |
return null; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2339 |
} |
7189 | 2340 |
//cinode = dirs.get(child); |
2341 |
if (cinode == null) // pseudo directry entry |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2342 |
cinode = new IndexNode(cname, -1); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2343 |
cinode.sibling = pinode.child; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2344 |
pinode.child = cinode; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2345 |
|
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2346 |
dirs.put(child, cinode); |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2347 |
return cinode; |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2348 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2349 |
|
7189 | 2350 |
private HashMap<IndexNode, IndexNode> getDirs() |
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2351 |
throws IOException |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2352 |
{ |
7189 | 2353 |
beginWrite(); |
2354 |
try { |
|
2355 |
if (dirs != null) |
|
2356 |
return dirs; |
|
2357 |
dirs = new HashMap<>(); |
|
2358 |
root = new IndexNode(new byte[0], -1); |
|
2359 |
dirs.put(root, root); |
|
2360 |
for (IndexNode node : inodes.keySet()) |
|
2361 |
addToDir(node); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2362 |
return dirs; |
7189 | 2363 |
} finally { |
2364 |
endWrite(); |
|
6699
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2365 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2366 |
} |
d8229570529d
6990846: Demo: NIO.2 filesystem provider for zip/jar archives
sherman
parents:
diff
changeset
|
2367 |
} |