001 /*
002 * Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation. Sun designates this
008 * particular file as subject to the "Classpath" exception as provided
009 * by Sun in the LICENSE file that accompanied this code.
010 *
011 * This code is distributed in the hope that it will be useful, but WITHOUT
012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
014 * version 2 for more details (a copy is included in the LICENSE file that
015 * accompanied this code).
016 *
017 * You should have received a copy of the GNU General Public License version
018 * 2 along with this work; if not, write to the Free Software Foundation,
019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020 *
021 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022 * CA 95054 USA or visit www.sun.com if you need additional information or
023 * have any questions.
024 */
025
026 package com.sun.tools.javac.file;
027
028 import java.io.File;
029 import java.io.IOException;
030 import java.util.zip.ZipEntry;
031 import java.util.zip.ZipFile;
032 import javax.tools.JavaFileObject;
033
034 import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
035 import com.sun.tools.javac.file.RelativePath.RelativeFile;
036 import com.sun.tools.javac.util.List;
037
038 public class SymbolArchive extends ZipArchive {
039
040 final File origFile;
041 final RelativeDirectory prefix;
042
043 public SymbolArchive(JavacFileManager fileManager, File orig, ZipFile zdir, RelativeDirectory prefix) throws IOException {
044 super(fileManager, zdir, false);
045 this.origFile = orig;
046 this.prefix = prefix;
047 initMap();
048 }
049
050 @Override
051 void addZipEntry(ZipEntry entry) {
052 String name = entry.getName();
053 if (!name.startsWith(prefix.path)) {
054 return;
055 }
056 name = name.substring(prefix.path.length());
057 int i = name.lastIndexOf('/');
058 RelativeDirectory dirname = new RelativeDirectory(name.substring(0, i+1));
059 String basename = name.substring(i + 1);
060 if (basename.length() == 0) {
061 return;
062 }
063 List<String> list = map.get(dirname);
064 if (list == null)
065 list = List.nil();
066 list = list.prepend(basename);
067 map.put(dirname, list);
068 }
069
070 public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) {
071 RelativeDirectory prefix_subdir = new RelativeDirectory(prefix, subdirectory.path);
072 ZipEntry ze = new RelativeFile(prefix_subdir, file).getZipEntry(zdir);
073 return new SymbolFileObject(this, file, ze);
074 }
075
076 public String toString() {
077 return "SymbolArchive[" + zdir.getName() + "]";
078 }
079
080 /**
081 * A subclass of JavaFileObject representing zip entries in a symbol file.
082 */
083 public static class SymbolFileObject extends ZipFileObject {
084 protected SymbolFileObject(SymbolArchive zarch, String name, ZipEntry entry) {
085 super(zarch, name, entry);
086 }
087
088 @Override
089 protected String inferBinaryName(Iterable<? extends File> path) {
090 String entryName = getZipEntryName();
091 String prefix = ((SymbolArchive) zarch).prefix.path;
092 if (entryName.startsWith(prefix))
093 entryName = entryName.substring(prefix.length());
094 return removeExtension(entryName).replace('/', '.');
095 }
096 }
097
098
099 }