Wed, 23 Sep 2009 18:48:13 -0700
6410637: Make decision on deprecated methods in DefaultFileManager and BaseFileObject.
6747645: ZipFileObject.getName is incorrectly deprecated
6885123: JavaFileObject getName issues
Reviewed-by: mcimadamore
jjg@57 | 1 | /* |
jjg@57 | 2 | * Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved. |
jjg@57 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@57 | 4 | * |
jjg@57 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@57 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@57 | 7 | * published by the Free Software Foundation. Sun designates this |
jjg@57 | 8 | * particular file as subject to the "Classpath" exception as provided |
jjg@57 | 9 | * by Sun in the LICENSE file that accompanied this code. |
jjg@57 | 10 | * |
jjg@57 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@57 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@57 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@57 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@57 | 15 | * accompanied this code). |
jjg@57 | 16 | * |
jjg@57 | 17 | * You should have received a copy of the GNU General Public License version |
jjg@57 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@57 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@57 | 20 | * |
jjg@57 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
jjg@57 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
jjg@57 | 23 | * have any questions. |
jjg@57 | 24 | */ |
jjg@57 | 25 | |
jjg@57 | 26 | package com.sun.tools.javac.file; |
jjg@57 | 27 | |
jjg@57 | 28 | import java.io.IOException; |
jjg@57 | 29 | import java.util.Set; |
jjg@57 | 30 | import javax.tools.JavaFileObject; |
jjg@57 | 31 | |
jjg@57 | 32 | import java.io.ByteArrayInputStream; |
jjg@57 | 33 | import java.io.File; |
jjg@57 | 34 | import java.io.InputStream; |
jjg@57 | 35 | import java.io.OutputStream; |
jjg@57 | 36 | import java.io.Writer; |
jjg@57 | 37 | import java.net.URI; |
jjg@57 | 38 | import java.nio.ByteBuffer; |
jjg@57 | 39 | import java.nio.CharBuffer; |
jjg@57 | 40 | import java.nio.charset.CharsetDecoder; |
jjg@57 | 41 | |
jjg@103 | 42 | import com.sun.tools.javac.file.JavacFileManager.Archive; |
jjg@103 | 43 | import com.sun.tools.javac.file.RelativePath.RelativeDirectory; |
jjg@103 | 44 | import com.sun.tools.javac.file.RelativePath.RelativeFile; |
jjg@103 | 45 | import com.sun.tools.javac.util.List; |
jjg@103 | 46 | |
jjg@333 | 47 | /** |
jjg@333 | 48 | * <p><b>This is NOT part of any API supported by Sun Microsystems. |
jjg@333 | 49 | * If you write code that depends on this, you do so at your own risk. |
jjg@333 | 50 | * This code and its internal interfaces are subject to change or |
jjg@333 | 51 | * deletion without notice.</b> |
jjg@333 | 52 | */ |
jjg@57 | 53 | public class ZipFileIndexArchive implements Archive { |
jjg@57 | 54 | |
jjg@57 | 55 | private final ZipFileIndex zfIndex; |
jjg@57 | 56 | private JavacFileManager fileManager; |
jjg@57 | 57 | |
jjg@57 | 58 | public ZipFileIndexArchive(JavacFileManager fileManager, ZipFileIndex zdir) throws IOException { |
jjg@57 | 59 | super(); |
jjg@57 | 60 | this.fileManager = fileManager; |
jjg@57 | 61 | this.zfIndex = zdir; |
jjg@57 | 62 | } |
jjg@57 | 63 | |
jjg@103 | 64 | public boolean contains(RelativePath name) { |
jjg@57 | 65 | return zfIndex.contains(name); |
jjg@57 | 66 | } |
jjg@57 | 67 | |
jjg@103 | 68 | public List<String> getFiles(RelativeDirectory subdirectory) { |
jjg@103 | 69 | return zfIndex.getFiles(subdirectory); |
jjg@57 | 70 | } |
jjg@57 | 71 | |
jjg@103 | 72 | public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) { |
jjg@103 | 73 | RelativeFile fullZipFileName = new RelativeFile(subdirectory, file); |
jjg@57 | 74 | ZipFileIndex.Entry entry = zfIndex.getZipIndexEntry(fullZipFileName); |
jjg@400 | 75 | JavaFileObject ret = new ZipFileIndexFileObject(fileManager, zfIndex, entry, zfIndex.getZipFile()); |
jjg@57 | 76 | return ret; |
jjg@57 | 77 | } |
jjg@57 | 78 | |
jjg@103 | 79 | public Set<RelativeDirectory> getSubdirectories() { |
jjg@57 | 80 | return zfIndex.getAllDirectories(); |
jjg@57 | 81 | } |
jjg@57 | 82 | |
jjg@57 | 83 | public void close() throws IOException { |
jjg@57 | 84 | zfIndex.close(); |
jjg@57 | 85 | } |
jjg@57 | 86 | |
jjg@400 | 87 | @Override |
jjg@103 | 88 | public String toString() { |
jjg@103 | 89 | return "ZipFileIndexArchive[" + zfIndex + "]"; |
jjg@103 | 90 | } |
jjg@103 | 91 | |
jjg@57 | 92 | /** |
jjg@57 | 93 | * A subclass of JavaFileObject representing zip entries using the com.sun.tools.javac.file.ZipFileIndex implementation. |
jjg@57 | 94 | */ |
jjg@57 | 95 | public static class ZipFileIndexFileObject extends BaseFileObject { |
jjg@57 | 96 | |
jjg@57 | 97 | /** The entry's name. |
jjg@57 | 98 | */ |
jjg@57 | 99 | private String name; |
jjg@57 | 100 | |
jjg@57 | 101 | /** The zipfile containing the entry. |
jjg@57 | 102 | */ |
jjg@57 | 103 | ZipFileIndex zfIndex; |
jjg@57 | 104 | |
jjg@57 | 105 | /** The underlying zip entry object. |
jjg@57 | 106 | */ |
jjg@57 | 107 | ZipFileIndex.Entry entry; |
jjg@57 | 108 | |
jjg@57 | 109 | /** The InputStream for this zip entry (file.) |
jjg@57 | 110 | */ |
jjg@57 | 111 | InputStream inputStream = null; |
jjg@57 | 112 | |
jjg@57 | 113 | /** The name of the zip file where this entry resides. |
jjg@57 | 114 | */ |
jjg@400 | 115 | File zipName; |
jjg@57 | 116 | |
jjg@57 | 117 | |
jjg@400 | 118 | ZipFileIndexFileObject(JavacFileManager fileManager, ZipFileIndex zfIndex, ZipFileIndex.Entry entry, File zipFileName) { |
jjg@57 | 119 | super(fileManager); |
jjg@57 | 120 | this.name = entry.getFileName(); |
jjg@57 | 121 | this.zfIndex = zfIndex; |
jjg@57 | 122 | this.entry = entry; |
jjg@57 | 123 | this.zipName = zipFileName; |
jjg@57 | 124 | } |
jjg@57 | 125 | |
jjg@415 | 126 | @Override |
jjg@415 | 127 | public URI toUri() { |
jjg@415 | 128 | return createJarUri(zipName, getPrefixedEntryName()); |
jjg@415 | 129 | } |
jjg@415 | 130 | |
jjg@415 | 131 | @Override |
jjg@415 | 132 | public String getName() { |
jjg@415 | 133 | return zipName + "(" + getPrefixedEntryName() + ")"; |
jjg@415 | 134 | } |
jjg@415 | 135 | |
jjg@415 | 136 | @Override |
jjg@415 | 137 | public String getShortName() { |
jjg@415 | 138 | return zipName.getName() + "(" + entry.getName() + ")"; |
jjg@415 | 139 | } |
jjg@415 | 140 | |
jjg@415 | 141 | @Override |
jjg@415 | 142 | public JavaFileObject.Kind getKind() { |
jjg@415 | 143 | return getKind(entry.getName()); |
jjg@415 | 144 | } |
jjg@415 | 145 | |
jjg@415 | 146 | @Override |
jjg@57 | 147 | public InputStream openInputStream() throws IOException { |
jjg@57 | 148 | if (inputStream == null) { |
jjg@415 | 149 | assert entry != null; // see constructor |
jjg@415 | 150 | inputStream = new ByteArrayInputStream(zfIndex.read(entry)); |
jjg@57 | 151 | } |
jjg@57 | 152 | return inputStream; |
jjg@57 | 153 | } |
jjg@57 | 154 | |
jjg@400 | 155 | @Override |
jjg@57 | 156 | public OutputStream openOutputStream() throws IOException { |
jjg@57 | 157 | throw new UnsupportedOperationException(); |
jjg@57 | 158 | } |
jjg@57 | 159 | |
jjg@400 | 160 | @Override |
jjg@57 | 161 | public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException { |
jjg@57 | 162 | CharBuffer cb = fileManager.getCachedContent(this); |
jjg@57 | 163 | if (cb == null) { |
jjg@57 | 164 | InputStream in = new ByteArrayInputStream(zfIndex.read(entry)); |
jjg@57 | 165 | try { |
jjg@57 | 166 | ByteBuffer bb = fileManager.makeByteBuffer(in); |
jjg@57 | 167 | JavaFileObject prev = fileManager.log.useSource(this); |
jjg@57 | 168 | try { |
jjg@57 | 169 | cb = fileManager.decode(bb, ignoreEncodingErrors); |
jjg@57 | 170 | } finally { |
jjg@57 | 171 | fileManager.log.useSource(prev); |
jjg@57 | 172 | } |
jjg@57 | 173 | fileManager.recycleByteBuffer(bb); // save for next time |
jjg@57 | 174 | if (!ignoreEncodingErrors) |
jjg@57 | 175 | fileManager.cache(this, cb); |
jjg@57 | 176 | } finally { |
jjg@57 | 177 | in.close(); |
jjg@57 | 178 | } |
jjg@57 | 179 | } |
jjg@57 | 180 | return cb; |
jjg@57 | 181 | } |
jjg@57 | 182 | |
jjg@57 | 183 | @Override |
jjg@415 | 184 | public Writer openWriter() throws IOException { |
jjg@415 | 185 | throw new UnsupportedOperationException(); |
jjg@415 | 186 | } |
jjg@415 | 187 | |
jjg@415 | 188 | @Override |
jjg@415 | 189 | public long getLastModified() { |
jjg@415 | 190 | return entry.getLastModified(); |
jjg@415 | 191 | } |
jjg@415 | 192 | |
jjg@415 | 193 | @Override |
jjg@415 | 194 | public boolean delete() { |
jjg@415 | 195 | throw new UnsupportedOperationException(); |
jjg@415 | 196 | } |
jjg@415 | 197 | |
jjg@415 | 198 | @Override |
jjg@415 | 199 | protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) { |
jjg@415 | 200 | return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors); |
jjg@415 | 201 | } |
jjg@415 | 202 | |
jjg@415 | 203 | @Override |
jjg@57 | 204 | protected String inferBinaryName(Iterable<? extends File> path) { |
jjg@415 | 205 | String entryName = entry.getName(); |
jjg@57 | 206 | if (zfIndex.symbolFilePrefix != null) { |
jjg@103 | 207 | String prefix = zfIndex.symbolFilePrefix.path; |
jjg@57 | 208 | if (entryName.startsWith(prefix)) |
jjg@57 | 209 | entryName = entryName.substring(prefix.length()); |
jjg@57 | 210 | } |
jjg@103 | 211 | return removeExtension(entryName).replace('/', '.'); |
jjg@57 | 212 | } |
jjg@415 | 213 | |
jjg@415 | 214 | @Override |
jjg@415 | 215 | public boolean isNameCompatible(String cn, JavaFileObject.Kind k) { |
jjg@415 | 216 | cn.getClass(); // null check |
jjg@415 | 217 | if (k == Kind.OTHER && getKind() != k) |
jjg@415 | 218 | return false; |
jjg@415 | 219 | return name.equals(cn + k.extension); |
jjg@415 | 220 | } |
jjg@415 | 221 | |
jjg@415 | 222 | @Override |
jjg@415 | 223 | public boolean equals(Object other) { |
jjg@415 | 224 | if (!(other instanceof ZipFileIndexFileObject)) |
jjg@415 | 225 | return false; |
jjg@415 | 226 | ZipFileIndexFileObject o = (ZipFileIndexFileObject) other; |
jjg@415 | 227 | return entry.equals(o.entry); |
jjg@415 | 228 | } |
jjg@415 | 229 | |
jjg@415 | 230 | @Override |
jjg@415 | 231 | public int hashCode() { |
jjg@415 | 232 | return zipName.hashCode() + (name.hashCode() << 10); |
jjg@415 | 233 | } |
jjg@415 | 234 | |
jjg@415 | 235 | private String getPrefixedEntryName() { |
jjg@415 | 236 | if (zfIndex.symbolFilePrefix != null) |
jjg@415 | 237 | return zfIndex.symbolFilePrefix.path + entry.getName(); |
jjg@415 | 238 | else |
jjg@415 | 239 | return entry.getName(); |
jjg@415 | 240 | } |
jjg@57 | 241 | } |
jjg@57 | 242 | |
jjg@57 | 243 | } |