Tue, 25 Sep 2012 13:11:05 -0700
7196464: upgrade JavaCompiler.shouldStopPolicy to accomodate policies in face of error and no error
Reviewed-by: mcimadamore
jjg@57 | 1 | /* |
jjg@816 | 2 | * Copyright (c) 2005, 2011, Oracle and/or its affiliates. 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 |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
jjg@57 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle 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 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * 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@816 | 45 | import com.sun.tools.javac.util.Assert; |
jjg@103 | 46 | import com.sun.tools.javac.util.List; |
jjg@103 | 47 | |
jjg@333 | 48 | /** |
jjg@581 | 49 | * <p><b>This is NOT part of any supported API. |
jjg@333 | 50 | * If you write code that depends on this, you do so at your own risk. |
jjg@333 | 51 | * This code and its internal interfaces are subject to change or |
jjg@333 | 52 | * deletion without notice.</b> |
jjg@333 | 53 | */ |
jjg@57 | 54 | public class ZipFileIndexArchive implements Archive { |
jjg@57 | 55 | |
jjg@57 | 56 | private final ZipFileIndex zfIndex; |
jjg@57 | 57 | private JavacFileManager fileManager; |
jjg@57 | 58 | |
jjg@57 | 59 | public ZipFileIndexArchive(JavacFileManager fileManager, ZipFileIndex zdir) throws IOException { |
jjg@57 | 60 | super(); |
jjg@57 | 61 | this.fileManager = fileManager; |
jjg@57 | 62 | this.zfIndex = zdir; |
jjg@57 | 63 | } |
jjg@57 | 64 | |
jjg@103 | 65 | public boolean contains(RelativePath name) { |
jjg@57 | 66 | return zfIndex.contains(name); |
jjg@57 | 67 | } |
jjg@57 | 68 | |
jjg@103 | 69 | public List<String> getFiles(RelativeDirectory subdirectory) { |
jjg@103 | 70 | return zfIndex.getFiles(subdirectory); |
jjg@57 | 71 | } |
jjg@57 | 72 | |
jjg@103 | 73 | public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) { |
jjg@103 | 74 | RelativeFile fullZipFileName = new RelativeFile(subdirectory, file); |
jjg@57 | 75 | ZipFileIndex.Entry entry = zfIndex.getZipIndexEntry(fullZipFileName); |
jjg@400 | 76 | JavaFileObject ret = new ZipFileIndexFileObject(fileManager, zfIndex, entry, zfIndex.getZipFile()); |
jjg@57 | 77 | return ret; |
jjg@57 | 78 | } |
jjg@57 | 79 | |
jjg@103 | 80 | public Set<RelativeDirectory> getSubdirectories() { |
jjg@57 | 81 | return zfIndex.getAllDirectories(); |
jjg@57 | 82 | } |
jjg@57 | 83 | |
jjg@57 | 84 | public void close() throws IOException { |
jjg@57 | 85 | zfIndex.close(); |
jjg@57 | 86 | } |
jjg@57 | 87 | |
jjg@400 | 88 | @Override |
jjg@103 | 89 | public String toString() { |
jjg@103 | 90 | return "ZipFileIndexArchive[" + zfIndex + "]"; |
jjg@103 | 91 | } |
jjg@103 | 92 | |
jjg@57 | 93 | /** |
jjg@57 | 94 | * A subclass of JavaFileObject representing zip entries using the com.sun.tools.javac.file.ZipFileIndex implementation. |
jjg@57 | 95 | */ |
jjg@57 | 96 | public static class ZipFileIndexFileObject extends BaseFileObject { |
jjg@57 | 97 | |
jjg@57 | 98 | /** The entry's name. |
jjg@57 | 99 | */ |
jjg@57 | 100 | private String name; |
jjg@57 | 101 | |
jjg@57 | 102 | /** The zipfile containing the entry. |
jjg@57 | 103 | */ |
jjg@57 | 104 | ZipFileIndex zfIndex; |
jjg@57 | 105 | |
jjg@57 | 106 | /** The underlying zip entry object. |
jjg@57 | 107 | */ |
jjg@57 | 108 | ZipFileIndex.Entry entry; |
jjg@57 | 109 | |
jjg@57 | 110 | /** The InputStream for this zip entry (file.) |
jjg@57 | 111 | */ |
jjg@57 | 112 | InputStream inputStream = null; |
jjg@57 | 113 | |
jjg@57 | 114 | /** The name of the zip file where this entry resides. |
jjg@57 | 115 | */ |
jjg@400 | 116 | File zipName; |
jjg@57 | 117 | |
jjg@57 | 118 | |
jjg@400 | 119 | ZipFileIndexFileObject(JavacFileManager fileManager, ZipFileIndex zfIndex, ZipFileIndex.Entry entry, File zipFileName) { |
jjg@57 | 120 | super(fileManager); |
jjg@57 | 121 | this.name = entry.getFileName(); |
jjg@57 | 122 | this.zfIndex = zfIndex; |
jjg@57 | 123 | this.entry = entry; |
jjg@57 | 124 | this.zipName = zipFileName; |
jjg@57 | 125 | } |
jjg@57 | 126 | |
jjg@415 | 127 | @Override |
jjg@415 | 128 | public URI toUri() { |
jjg@415 | 129 | return createJarUri(zipName, getPrefixedEntryName()); |
jjg@415 | 130 | } |
jjg@415 | 131 | |
jjg@415 | 132 | @Override |
jjg@415 | 133 | public String getName() { |
jjg@415 | 134 | return zipName + "(" + getPrefixedEntryName() + ")"; |
jjg@415 | 135 | } |
jjg@415 | 136 | |
jjg@415 | 137 | @Override |
jjg@415 | 138 | public String getShortName() { |
jjg@415 | 139 | return zipName.getName() + "(" + entry.getName() + ")"; |
jjg@415 | 140 | } |
jjg@415 | 141 | |
jjg@415 | 142 | @Override |
jjg@415 | 143 | public JavaFileObject.Kind getKind() { |
jjg@415 | 144 | return getKind(entry.getName()); |
jjg@415 | 145 | } |
jjg@415 | 146 | |
jjg@415 | 147 | @Override |
jjg@57 | 148 | public InputStream openInputStream() throws IOException { |
jjg@57 | 149 | if (inputStream == null) { |
jjg@816 | 150 | Assert.checkNonNull(entry); // see constructor |
jjg@415 | 151 | inputStream = new ByteArrayInputStream(zfIndex.read(entry)); |
jjg@57 | 152 | } |
jjg@57 | 153 | return inputStream; |
jjg@57 | 154 | } |
jjg@57 | 155 | |
jjg@400 | 156 | @Override |
jjg@57 | 157 | public OutputStream openOutputStream() throws IOException { |
jjg@57 | 158 | throw new UnsupportedOperationException(); |
jjg@57 | 159 | } |
jjg@57 | 160 | |
jjg@400 | 161 | @Override |
jjg@57 | 162 | public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException { |
jjg@57 | 163 | CharBuffer cb = fileManager.getCachedContent(this); |
jjg@57 | 164 | if (cb == null) { |
jjg@57 | 165 | InputStream in = new ByteArrayInputStream(zfIndex.read(entry)); |
jjg@57 | 166 | try { |
jjg@57 | 167 | ByteBuffer bb = fileManager.makeByteBuffer(in); |
jjg@57 | 168 | JavaFileObject prev = fileManager.log.useSource(this); |
jjg@57 | 169 | try { |
jjg@57 | 170 | cb = fileManager.decode(bb, ignoreEncodingErrors); |
jjg@57 | 171 | } finally { |
jjg@57 | 172 | fileManager.log.useSource(prev); |
jjg@57 | 173 | } |
jjg@57 | 174 | fileManager.recycleByteBuffer(bb); // save for next time |
jjg@57 | 175 | if (!ignoreEncodingErrors) |
jjg@57 | 176 | fileManager.cache(this, cb); |
jjg@57 | 177 | } finally { |
jjg@57 | 178 | in.close(); |
jjg@57 | 179 | } |
jjg@57 | 180 | } |
jjg@57 | 181 | return cb; |
jjg@57 | 182 | } |
jjg@57 | 183 | |
jjg@57 | 184 | @Override |
jjg@415 | 185 | public Writer openWriter() throws IOException { |
jjg@415 | 186 | throw new UnsupportedOperationException(); |
jjg@415 | 187 | } |
jjg@415 | 188 | |
jjg@415 | 189 | @Override |
jjg@415 | 190 | public long getLastModified() { |
jjg@415 | 191 | return entry.getLastModified(); |
jjg@415 | 192 | } |
jjg@415 | 193 | |
jjg@415 | 194 | @Override |
jjg@415 | 195 | public boolean delete() { |
jjg@415 | 196 | throw new UnsupportedOperationException(); |
jjg@415 | 197 | } |
jjg@415 | 198 | |
jjg@415 | 199 | @Override |
jjg@415 | 200 | protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) { |
jjg@415 | 201 | return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors); |
jjg@415 | 202 | } |
jjg@415 | 203 | |
jjg@415 | 204 | @Override |
jjg@57 | 205 | protected String inferBinaryName(Iterable<? extends File> path) { |
jjg@415 | 206 | String entryName = entry.getName(); |
jjg@57 | 207 | if (zfIndex.symbolFilePrefix != null) { |
jjg@103 | 208 | String prefix = zfIndex.symbolFilePrefix.path; |
jjg@57 | 209 | if (entryName.startsWith(prefix)) |
jjg@57 | 210 | entryName = entryName.substring(prefix.length()); |
jjg@57 | 211 | } |
jjg@103 | 212 | return removeExtension(entryName).replace('/', '.'); |
jjg@57 | 213 | } |
jjg@415 | 214 | |
jjg@415 | 215 | @Override |
jjg@415 | 216 | public boolean isNameCompatible(String cn, JavaFileObject.Kind k) { |
jjg@415 | 217 | cn.getClass(); // null check |
jjg@415 | 218 | if (k == Kind.OTHER && getKind() != k) |
jjg@415 | 219 | return false; |
jjg@415 | 220 | return name.equals(cn + k.extension); |
jjg@415 | 221 | } |
jjg@415 | 222 | |
jjg@424 | 223 | /** |
jjg@424 | 224 | * Check if two file objects are equal. |
jjg@424 | 225 | * Two ZipFileIndexFileObjects are equal if the absolute paths of the underlying |
jjg@424 | 226 | * zip files are equal and if the paths within those zip files are equal. |
jjg@424 | 227 | */ |
jjg@415 | 228 | @Override |
jjg@415 | 229 | public boolean equals(Object other) { |
jjg@424 | 230 | if (this == other) |
jjg@424 | 231 | return true; |
jjg@424 | 232 | |
jjg@415 | 233 | if (!(other instanceof ZipFileIndexFileObject)) |
jjg@415 | 234 | return false; |
jjg@424 | 235 | |
jjg@415 | 236 | ZipFileIndexFileObject o = (ZipFileIndexFileObject) other; |
jjg@424 | 237 | return zfIndex.getAbsoluteFile().equals(o.zfIndex.getAbsoluteFile()) |
jjg@424 | 238 | && name.equals(o.name); |
jjg@415 | 239 | } |
jjg@415 | 240 | |
jjg@415 | 241 | @Override |
jjg@415 | 242 | public int hashCode() { |
jjg@424 | 243 | return zfIndex.getAbsoluteFile().hashCode() + name.hashCode(); |
jjg@415 | 244 | } |
jjg@415 | 245 | |
jjg@415 | 246 | private String getPrefixedEntryName() { |
jjg@415 | 247 | if (zfIndex.symbolFilePrefix != null) |
jjg@415 | 248 | return zfIndex.symbolFilePrefix.path + entry.getName(); |
jjg@415 | 249 | else |
jjg@415 | 250 | return entry.getName(); |
jjg@415 | 251 | } |
jjg@57 | 252 | } |
jjg@57 | 253 | |
jjg@57 | 254 | } |