author | jjg |
Tue, 26 Aug 2008 14:52:59 -0700 | |
changeset 1205 | b316e32eb90c |
parent 810 | e4b6a6d206e6 |
child 3380 | a6c2bcab0fec |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package com.sun.tools.javac.file; |
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import java.io.IOException; |
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import java.util.Set; |
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import javax.tools.JavaFileObject; |
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import java.io.ByteArrayInputStream; |
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import java.io.File; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.io.Writer; |
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import java.net.URI; |
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import java.nio.ByteBuffer; |
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import java.nio.CharBuffer; |
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import java.nio.charset.CharsetDecoder; |
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import com.sun.tools.javac.file.JavacFileManager.Archive; |
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import com.sun.tools.javac.file.RelativePath.RelativeDirectory; |
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import com.sun.tools.javac.file.RelativePath.RelativeFile; |
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import com.sun.tools.javac.util.List; |
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public class ZipFileIndexArchive implements Archive { |
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private final ZipFileIndex zfIndex; |
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private JavacFileManager fileManager; |
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public ZipFileIndexArchive(JavacFileManager fileManager, ZipFileIndex zdir) throws IOException { |
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super(); |
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this.fileManager = fileManager; |
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this.zfIndex = zdir; |
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} |
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public boolean contains(RelativePath name) { |
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return zfIndex.contains(name); |
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} |
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public List<String> getFiles(RelativeDirectory subdirectory) { |
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return zfIndex.getFiles(subdirectory); |
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} |
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public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) { |
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RelativeFile fullZipFileName = new RelativeFile(subdirectory, file); |
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ZipFileIndex.Entry entry = zfIndex.getZipIndexEntry(fullZipFileName); |
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JavaFileObject ret = new ZipFileIndexFileObject(fileManager, zfIndex, entry, zfIndex.getZipFile().getPath()); |
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return ret; |
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} |
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public Set<RelativeDirectory> getSubdirectories() { |
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return zfIndex.getAllDirectories(); |
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} |
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public void close() throws IOException { |
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zfIndex.close(); |
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} |
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public String toString() { |
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return "ZipFileIndexArchive[" + zfIndex + "]"; |
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} |
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/** |
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* A subclass of JavaFileObject representing zip entries using the com.sun.tools.javac.file.ZipFileIndex implementation. |
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*/ |
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public static class ZipFileIndexFileObject extends BaseFileObject { |
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/** The entry's name. |
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*/ |
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private String name; |
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/** The zipfile containing the entry. |
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*/ |
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ZipFileIndex zfIndex; |
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/** The underlying zip entry object. |
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*/ |
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ZipFileIndex.Entry entry; |
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/** The InputStream for this zip entry (file.) |
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*/ |
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InputStream inputStream = null; |
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/** The name of the zip file where this entry resides. |
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*/ |
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String zipName; |
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ZipFileIndexFileObject(JavacFileManager fileManager, ZipFileIndex zfIndex, ZipFileIndex.Entry entry, String zipFileName) { |
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super(fileManager); |
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this.name = entry.getFileName(); |
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this.zfIndex = zfIndex; |
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this.entry = entry; |
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this.zipName = zipFileName; |
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} |
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public InputStream openInputStream() throws IOException { |
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if (inputStream == null) { |
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inputStream = new ByteArrayInputStream(read()); |
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} |
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return inputStream; |
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} |
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protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) { |
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return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors); |
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} |
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130 |
|
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131 |
public OutputStream openOutputStream() throws IOException { |
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throw new UnsupportedOperationException(); |
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133 |
} |
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134 |
|
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135 |
public Writer openWriter() throws IOException { |
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throw new UnsupportedOperationException(); |
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137 |
} |
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138 |
|
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139 |
/** @deprecated see bug 6410637 */ |
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@Deprecated |
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141 |
public String getName() { |
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return name; |
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143 |
} |
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144 |
|
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145 |
public boolean isNameCompatible(String cn, JavaFileObject.Kind k) { |
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cn.getClass(); // null check |
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if (k == Kind.OTHER && getKind() != k) |
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148 |
return false; |
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return name.equals(cn + k.extension); |
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150 |
} |
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151 |
|
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152 |
/** @deprecated see bug 6410637 */ |
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153 |
@Deprecated |
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154 |
public String getPath() { |
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155 |
return zipName + "(" + entry.getName() + ")"; |
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156 |
} |
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157 |
|
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158 |
public long getLastModified() { |
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159 |
return entry.getLastModified(); |
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160 |
} |
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161 |
|
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162 |
public boolean delete() { |
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163 |
throw new UnsupportedOperationException(); |
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164 |
} |
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165 |
|
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166 |
@Override |
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167 |
public boolean equals(Object other) { |
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168 |
if (!(other instanceof ZipFileIndexFileObject)) |
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169 |
return false; |
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ZipFileIndexFileObject o = (ZipFileIndexFileObject) other; |
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171 |
return entry.equals(o.entry); |
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172 |
} |
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173 |
|
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174 |
@Override |
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175 |
public int hashCode() { |
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176 |
return zipName.hashCode() + (name.hashCode() << 10); |
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177 |
} |
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178 |
|
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179 |
public String getZipName() { |
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180 |
return zipName; |
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181 |
} |
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182 |
|
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183 |
public String getZipEntryName() { |
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184 |
return entry.getName(); |
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185 |
} |
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186 |
|
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187 |
public URI toUri() { |
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188 |
String zipName = new File(getZipName()).toURI().normalize().getPath(); |
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189 |
String entryName = getZipEntryName(); |
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190 |
return URI.create("jar:" + zipName + "!" + entryName); |
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191 |
} |
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192 |
|
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193 |
private byte[] read() throws IOException { |
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194 |
assert entry != null; // see constructor |
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195 |
return zfIndex.read(entry); |
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196 |
} |
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197 |
|
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198 |
public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException { |
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199 |
CharBuffer cb = fileManager.getCachedContent(this); |
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200 |
if (cb == null) { |
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201 |
InputStream in = new ByteArrayInputStream(zfIndex.read(entry)); |
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202 |
try { |
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203 |
ByteBuffer bb = fileManager.makeByteBuffer(in); |
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204 |
JavaFileObject prev = fileManager.log.useSource(this); |
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205 |
try { |
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206 |
cb = fileManager.decode(bb, ignoreEncodingErrors); |
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207 |
} finally { |
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208 |
fileManager.log.useSource(prev); |
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209 |
} |
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210 |
fileManager.recycleByteBuffer(bb); // save for next time |
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211 |
if (!ignoreEncodingErrors) |
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212 |
fileManager.cache(this, cb); |
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213 |
} finally { |
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214 |
in.close(); |
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215 |
} |
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216 |
} |
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217 |
return cb; |
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218 |
} |
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219 |
|
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220 |
@Override |
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221 |
protected String inferBinaryName(Iterable<? extends File> path) { |
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222 |
String entryName = getZipEntryName(); |
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223 |
if (zfIndex.symbolFilePrefix != null) { |
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String prefix = zfIndex.symbolFilePrefix.path; |
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225 |
if (entryName.startsWith(prefix)) |
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226 |
entryName = entryName.substring(prefix.length()); |
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227 |
} |
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return removeExtension(entryName).replace('/', '.'); |
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229 |
} |
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230 |
} |
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231 |
|
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232 |
} |