author | jjg |
Tue, 08 Sep 2009 11:12:13 -0700 | |
changeset 3782 | ae62279eeb46 |
parent 3380 | a6c2bcab0fec |
child 3995 | 73af8b6fb8bc |
child 3890 | b53fced26fa4 |
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.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.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 java.util.Enumeration; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.zip.ZipEntry; |
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import java.util.zip.ZipFile; |
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import javax.tools.JavaFileObject; |
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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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/** |
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* <p><b>This is NOT part of any API supported by Sun Microsystems. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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public class ZipArchive implements Archive { |
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public ZipArchive(JavacFileManager fm, ZipFile zdir) throws IOException { |
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this(fm, zdir, true); |
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} |
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protected ZipArchive(JavacFileManager fm, ZipFile zdir, boolean initMap) throws IOException { |
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this.fileManager = fm; |
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this.zdir = zdir; |
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this.map = new HashMap<RelativeDirectory,List<String>>(); |
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if (initMap) |
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initMap(); |
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} |
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protected void initMap() throws IOException { |
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for (Enumeration<? extends ZipEntry> e = zdir.entries(); e.hasMoreElements(); ) { |
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ZipEntry entry; |
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try { |
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entry = e.nextElement(); |
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} catch (InternalError ex) { |
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IOException io = new IOException(); |
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io.initCause(ex); // convenience constructors added in Mustang :-( |
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throw io; |
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} |
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addZipEntry(entry); |
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} |
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} |
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void addZipEntry(ZipEntry entry) { |
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String name = entry.getName(); |
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int i = name.lastIndexOf('/'); |
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RelativeDirectory dirname = new RelativeDirectory(name.substring(0, i+1)); |
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String basename = name.substring(i+1); |
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if (basename.length() == 0) |
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return; |
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List<String> list = map.get(dirname); |
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if (list == null) |
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list = List.nil(); |
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list = list.prepend(basename); |
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map.put(dirname, list); |
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} |
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public boolean contains(RelativePath name) { |
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RelativeDirectory dirname = name.dirname(); |
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String basename = name.basename(); |
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if (basename.length() == 0) |
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return false; |
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List<String> list = map.get(dirname); |
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return (list != null && list.contains(basename)); |
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} |
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public List<String> getFiles(RelativeDirectory subdirectory) { |
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return map.get(subdirectory); |
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} |
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public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) { |
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ZipEntry ze = new RelativeFile(subdirectory, file).getZipEntry(zdir); |
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return new ZipFileObject(this, file, ze); |
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} |
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public Set<RelativeDirectory> getSubdirectories() { |
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return map.keySet(); |
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} |
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public void close() throws IOException { |
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zdir.close(); |
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} |
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@Override |
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public String toString() { |
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return "ZipArchive[" + zdir.getName() + "]"; |
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} |
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protected JavacFileManager fileManager; |
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protected final Map<RelativeDirectory,List<String>> map; |
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protected final ZipFile zdir; |
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/** |
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* A subclass of JavaFileObject representing zip entries. |
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*/ |
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public static class ZipFileObject extends BaseFileObject { |
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private String name; |
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ZipArchive zarch; |
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ZipEntry entry; |
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protected ZipFileObject(ZipArchive zarch, String name, ZipEntry entry) { |
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super(zarch.fileManager); |
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this.zarch = zarch; |
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this.name = name; |
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this.entry = entry; |
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} |
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public InputStream openInputStream() throws IOException { |
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return zarch.zdir.getInputStream(entry); |
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} |
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public OutputStream openOutputStream() throws IOException { |
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throw new UnsupportedOperationException(); |
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} |
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@Override |
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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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public Writer openWriter() throws IOException { |
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throw new UnsupportedOperationException(); |
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} |
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@Deprecated |
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public String getName() { |
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return name; |
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} |
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public boolean isNameCompatible(String cn, JavaFileObject.Kind k) { |
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cn.getClass(); |
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// null check |
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if (k == Kind.OTHER && getKind() != k) { |
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return false; |
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} |
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return name.equals(cn + k.extension); |
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} |
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@Deprecated |
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@Override |
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public String getPath() { |
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return zarch.zdir.getName() + "(" + entry + ")"; |
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} |
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public long getLastModified() { |
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return entry.getTime(); |
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} |
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public boolean delete() { |
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throw new UnsupportedOperationException(); |
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} |
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public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException { |
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CharBuffer cb = fileManager.getCachedContent(this); |
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if (cb == null) { |
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InputStream in = zarch.zdir.getInputStream(entry); |
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try { |
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ByteBuffer bb = fileManager.makeByteBuffer(in); |
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JavaFileObject prev = fileManager.log.useSource(this); |
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try { |
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cb = fileManager.decode(bb, ignoreEncodingErrors); |
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} finally { |
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fileManager.log.useSource(prev); |
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} |
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fileManager.recycleByteBuffer(bb); |
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if (!ignoreEncodingErrors) { |
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fileManager.cache(this, cb); |
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} |
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} finally { |
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in.close(); |
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} |
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} |
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return cb; |
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} |
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@Override |
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public boolean equals(Object other) { |
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if (!(other instanceof ZipFileObject)) { |
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return false; |
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} |
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ZipFileObject o = (ZipFileObject) other; |
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return zarch.zdir.equals(o.zarch.zdir) || name.equals(o.name); |
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} |
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|
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@Override |
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public int hashCode() { |
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return zarch.zdir.hashCode() + name.hashCode(); |
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} |
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public String getZipName() { |
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return zarch.zdir.getName(); |
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} |
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public String getZipEntryName() { |
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return entry.getName(); |
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} |
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public URI toUri() { |
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File zipFile = new File(getZipName()); |
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return createJarUri(zipFile, entry.getName()); |
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} |
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|
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@Override |
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protected String inferBinaryName(Iterable<? extends File> path) { |
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String entryName = getZipEntryName(); |
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return removeExtension(entryName).replace('/', '.'); |
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} |
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} |
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|
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} |