Tue, 24 Dec 2013 09:17:37 -0800
8029230: Update copyright year to match last edit in jdk8 langtools repository for 2013
Reviewed-by: ksrini
Contributed-by: steve.sides@oracle.com
jjg@57 | 1 | /* |
ksrini@2227 | 2 | * Copyright (c) 2005, 2013, 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.File; |
jjg@57 | 29 | import java.io.FileInputStream; |
jjg@57 | 30 | import java.io.FileOutputStream; |
jjg@57 | 31 | import java.io.IOException; |
jjg@57 | 32 | import java.io.InputStream; |
jjg@57 | 33 | import java.io.OutputStream; |
jjg@57 | 34 | import java.io.OutputStreamWriter; |
jjg@57 | 35 | import java.io.Writer; |
jjg@424 | 36 | import java.lang.ref.Reference; |
jjg@424 | 37 | import java.lang.ref.SoftReference; |
jjg@57 | 38 | import java.net.URI; |
jjg@57 | 39 | import java.nio.ByteBuffer; |
jjg@57 | 40 | import java.nio.CharBuffer; |
jjg@57 | 41 | import java.nio.charset.CharsetDecoder; |
jjg@57 | 42 | import javax.tools.JavaFileObject; |
kizune@2037 | 43 | import java.text.Normalizer; |
jjg@57 | 44 | |
jjg@57 | 45 | /** |
jjg@57 | 46 | * A subclass of JavaFileObject representing regular files. |
jjg@333 | 47 | * |
jjg@581 | 48 | * <p><b>This is NOT part of any supported API. |
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@57 | 52 | */ |
jjg@57 | 53 | class RegularFileObject extends BaseFileObject { |
jjg@57 | 54 | |
jjg@57 | 55 | /** Have the parent directories been created? |
jjg@57 | 56 | */ |
jjg@57 | 57 | private boolean hasParents = false; |
jjg@57 | 58 | private String name; |
jjg@424 | 59 | final File file; |
jjg@424 | 60 | private Reference<File> absFileRef; |
kizune@2037 | 61 | final static boolean isMacOS = System.getProperty("os.name", "").contains("OS X"); |
jjg@57 | 62 | |
jjg@57 | 63 | public RegularFileObject(JavacFileManager fileManager, File f) { |
jjg@57 | 64 | this(fileManager, f.getName(), f); |
jjg@57 | 65 | } |
jjg@57 | 66 | |
jjg@57 | 67 | public RegularFileObject(JavacFileManager fileManager, String name, File f) { |
jjg@57 | 68 | super(fileManager); |
jjg@57 | 69 | if (f.isDirectory()) { |
jjg@57 | 70 | throw new IllegalArgumentException("directories not supported"); |
jjg@57 | 71 | } |
jjg@57 | 72 | this.name = name; |
jjg@424 | 73 | this.file = f; |
jjg@57 | 74 | } |
jjg@57 | 75 | |
jjg@415 | 76 | @Override |
jjg@415 | 77 | public URI toUri() { |
jjg@424 | 78 | return file.toURI().normalize(); |
jjg@415 | 79 | } |
jjg@415 | 80 | |
jjg@415 | 81 | @Override |
jjg@415 | 82 | public String getName() { |
jjg@424 | 83 | return file.getPath(); |
jjg@415 | 84 | } |
jjg@415 | 85 | |
jjg@415 | 86 | @Override |
jjg@415 | 87 | public String getShortName() { |
jjg@415 | 88 | return name; |
jjg@415 | 89 | } |
jjg@415 | 90 | |
jjg@415 | 91 | @Override |
jjg@415 | 92 | public JavaFileObject.Kind getKind() { |
jjg@415 | 93 | return getKind(name); |
jjg@415 | 94 | } |
jjg@415 | 95 | |
jjg@415 | 96 | @Override |
jjg@57 | 97 | public InputStream openInputStream() throws IOException { |
jjg@424 | 98 | return new FileInputStream(file); |
jjg@57 | 99 | } |
jjg@57 | 100 | |
jjg@400 | 101 | @Override |
jjg@57 | 102 | public OutputStream openOutputStream() throws IOException { |
jjg@1080 | 103 | fileManager.flushCache(this); |
jjg@57 | 104 | ensureParentDirectoriesExist(); |
jjg@424 | 105 | return new FileOutputStream(file); |
jjg@57 | 106 | } |
jjg@57 | 107 | |
jjg@57 | 108 | @Override |
jjg@57 | 109 | public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException { |
jjg@57 | 110 | CharBuffer cb = fileManager.getCachedContent(this); |
jjg@57 | 111 | if (cb == null) { |
jjg@424 | 112 | InputStream in = new FileInputStream(file); |
jjg@57 | 113 | try { |
jjg@57 | 114 | ByteBuffer bb = fileManager.makeByteBuffer(in); |
jjg@57 | 115 | JavaFileObject prev = fileManager.log.useSource(this); |
jjg@57 | 116 | try { |
jjg@57 | 117 | cb = fileManager.decode(bb, ignoreEncodingErrors); |
jjg@57 | 118 | } finally { |
jjg@57 | 119 | fileManager.log.useSource(prev); |
jjg@57 | 120 | } |
jjg@57 | 121 | fileManager.recycleByteBuffer(bb); |
jjg@57 | 122 | if (!ignoreEncodingErrors) { |
jjg@57 | 123 | fileManager.cache(this, cb); |
jjg@57 | 124 | } |
jjg@57 | 125 | } finally { |
jjg@57 | 126 | in.close(); |
jjg@57 | 127 | } |
jjg@57 | 128 | } |
jjg@57 | 129 | return cb; |
jjg@57 | 130 | } |
jjg@57 | 131 | |
jjg@57 | 132 | @Override |
jjg@415 | 133 | public Writer openWriter() throws IOException { |
jjg@1080 | 134 | fileManager.flushCache(this); |
jjg@415 | 135 | ensureParentDirectoriesExist(); |
jjg@424 | 136 | return new OutputStreamWriter(new FileOutputStream(file), fileManager.getEncodingName()); |
jjg@415 | 137 | } |
jjg@415 | 138 | |
jjg@415 | 139 | @Override |
jjg@415 | 140 | public long getLastModified() { |
jjg@424 | 141 | return file.lastModified(); |
jjg@415 | 142 | } |
jjg@415 | 143 | |
jjg@415 | 144 | @Override |
jjg@415 | 145 | public boolean delete() { |
jjg@424 | 146 | return file.delete(); |
jjg@415 | 147 | } |
jjg@415 | 148 | |
jjg@415 | 149 | @Override |
jjg@415 | 150 | protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) { |
jjg@415 | 151 | return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors); |
jjg@415 | 152 | } |
jjg@415 | 153 | |
jjg@415 | 154 | @Override |
jjg@415 | 155 | protected String inferBinaryName(Iterable<? extends File> path) { |
jjg@424 | 156 | String fPath = file.getPath(); |
jjg@415 | 157 | //System.err.println("RegularFileObject " + file + " " +r.getPath()); |
jjg@415 | 158 | for (File dir: path) { |
jjg@415 | 159 | //System.err.println("dir: " + dir); |
jjg@415 | 160 | String dPath = dir.getPath(); |
jjg@415 | 161 | if (dPath.length() == 0) |
jjg@415 | 162 | dPath = System.getProperty("user.dir"); |
jjg@415 | 163 | if (!dPath.endsWith(File.separator)) |
jjg@415 | 164 | dPath += File.separator; |
jjg@415 | 165 | if (fPath.regionMatches(true, 0, dPath, 0, dPath.length()) |
jjg@415 | 166 | && new File(fPath.substring(0, dPath.length())).equals(new File(dPath))) { |
jjg@415 | 167 | String relativeName = fPath.substring(dPath.length()); |
jjg@415 | 168 | return removeExtension(relativeName).replace(File.separatorChar, '.'); |
jjg@415 | 169 | } |
jjg@415 | 170 | } |
jjg@415 | 171 | return null; |
jjg@415 | 172 | } |
jjg@415 | 173 | |
jjg@415 | 174 | @Override |
jjg@415 | 175 | public boolean isNameCompatible(String cn, JavaFileObject.Kind kind) { |
jjg@415 | 176 | cn.getClass(); |
jjg@415 | 177 | // null check |
jjg@415 | 178 | if (kind == Kind.OTHER && getKind() != kind) { |
jjg@415 | 179 | return false; |
jjg@415 | 180 | } |
jjg@415 | 181 | String n = cn + kind.extension; |
jjg@415 | 182 | if (name.equals(n)) { |
jjg@415 | 183 | return true; |
jjg@415 | 184 | } |
kizune@2037 | 185 | if (isMacOS && Normalizer.isNormalized(name, Normalizer.Form.NFD) |
kizune@2037 | 186 | && Normalizer.isNormalized(n, Normalizer.Form.NFC)) { |
kizune@2037 | 187 | // On Mac OS X it is quite possible to file name and class |
kizune@2037 | 188 | // name normalized in a different way - in that case we have to normalize file name |
kizune@2037 | 189 | // to the Normal Form Compised (NFC) |
kizune@2037 | 190 | String normName = Normalizer.normalize(name, Normalizer.Form.NFC); |
kizune@2037 | 191 | if (normName.equals(n)) { |
kizune@2037 | 192 | this.name = normName; |
kizune@2037 | 193 | return true; |
kizune@2037 | 194 | } |
kizune@2037 | 195 | } |
kizune@2037 | 196 | |
kizune@2037 | 197 | if (name.equalsIgnoreCase(n)) { |
jjg@415 | 198 | try { |
jjg@415 | 199 | // allow for Windows |
jjg@424 | 200 | return file.getCanonicalFile().getName().equals(n); |
jjg@415 | 201 | } catch (IOException e) { |
jjg@415 | 202 | } |
jjg@415 | 203 | } |
jjg@415 | 204 | return false; |
jjg@415 | 205 | } |
jjg@415 | 206 | |
jjg@415 | 207 | private void ensureParentDirectoriesExist() throws IOException { |
jjg@415 | 208 | if (!hasParents) { |
jjg@424 | 209 | File parent = file.getParentFile(); |
jjg@415 | 210 | if (parent != null && !parent.exists()) { |
jjg@415 | 211 | if (!parent.mkdirs()) { |
jjg@415 | 212 | if (!parent.exists() || !parent.isDirectory()) { |
jjg@415 | 213 | throw new IOException("could not create parent directories"); |
jjg@415 | 214 | } |
jjg@415 | 215 | } |
jjg@415 | 216 | } |
jjg@415 | 217 | hasParents = true; |
jjg@415 | 218 | } |
jjg@415 | 219 | } |
jjg@415 | 220 | |
jjg@424 | 221 | /** |
jjg@424 | 222 | * Check if two file objects are equal. |
jjg@424 | 223 | * Two RegularFileObjects are equal if the absolute paths of the underlying |
jjg@424 | 224 | * files are equal. |
jjg@424 | 225 | */ |
jjg@415 | 226 | @Override |
jjg@57 | 227 | public boolean equals(Object other) { |
jjg@424 | 228 | if (this == other) |
jjg@424 | 229 | return true; |
jjg@424 | 230 | |
jjg@424 | 231 | if (!(other instanceof RegularFileObject)) |
jjg@57 | 232 | return false; |
jjg@424 | 233 | |
jjg@57 | 234 | RegularFileObject o = (RegularFileObject) other; |
jjg@424 | 235 | return getAbsoluteFile().equals(o.getAbsoluteFile()); |
jjg@57 | 236 | } |
jjg@57 | 237 | |
jjg@57 | 238 | @Override |
jjg@57 | 239 | public int hashCode() { |
jjg@424 | 240 | return getAbsoluteFile().hashCode(); |
jjg@424 | 241 | } |
jjg@424 | 242 | |
jjg@424 | 243 | private File getAbsoluteFile() { |
jjg@424 | 244 | File absFile = (absFileRef == null ? null : absFileRef.get()); |
jjg@424 | 245 | if (absFile == null) { |
jjg@424 | 246 | absFile = file.getAbsoluteFile(); |
jjg@424 | 247 | absFileRef = new SoftReference<File>(absFile); |
jjg@424 | 248 | } |
jjg@424 | 249 | return absFile; |
jjg@57 | 250 | } |
jjg@57 | 251 | } |