Thu, 16 Oct 2008 07:30:13 -0700
6759775: RegularFileObject.inferBinaryName gives bad result on empty path
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.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@57 | 36 | import java.net.URI; |
jjg@57 | 37 | import java.net.URISyntaxException; |
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 | import javax.tools.JavaFileObject; |
jjg@57 | 42 | |
jjg@57 | 43 | /** |
jjg@57 | 44 | * A subclass of JavaFileObject representing regular files. |
jjg@57 | 45 | */ |
jjg@57 | 46 | class RegularFileObject extends BaseFileObject { |
jjg@57 | 47 | |
jjg@57 | 48 | /** Have the parent directories been created? |
jjg@57 | 49 | */ |
jjg@57 | 50 | private boolean hasParents = false; |
jjg@57 | 51 | private String name; |
jjg@57 | 52 | final File f; |
jjg@57 | 53 | |
jjg@57 | 54 | public RegularFileObject(JavacFileManager fileManager, File f) { |
jjg@57 | 55 | this(fileManager, f.getName(), f); |
jjg@57 | 56 | } |
jjg@57 | 57 | |
jjg@57 | 58 | public RegularFileObject(JavacFileManager fileManager, String name, File f) { |
jjg@57 | 59 | super(fileManager); |
jjg@57 | 60 | if (f.isDirectory()) { |
jjg@57 | 61 | throw new IllegalArgumentException("directories not supported"); |
jjg@57 | 62 | } |
jjg@57 | 63 | this.name = name; |
jjg@57 | 64 | this.f = f; |
jjg@57 | 65 | } |
jjg@57 | 66 | |
jjg@57 | 67 | public InputStream openInputStream() throws IOException { |
jjg@57 | 68 | return new FileInputStream(f); |
jjg@57 | 69 | } |
jjg@57 | 70 | |
jjg@57 | 71 | protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) { |
jjg@57 | 72 | return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors); |
jjg@57 | 73 | } |
jjg@57 | 74 | |
jjg@57 | 75 | public OutputStream openOutputStream() throws IOException { |
jjg@57 | 76 | ensureParentDirectoriesExist(); |
jjg@57 | 77 | return new FileOutputStream(f); |
jjg@57 | 78 | } |
jjg@57 | 79 | |
jjg@57 | 80 | public Writer openWriter() throws IOException { |
jjg@57 | 81 | ensureParentDirectoriesExist(); |
jjg@57 | 82 | return new OutputStreamWriter(new FileOutputStream(f), fileManager.getEncodingName()); |
jjg@57 | 83 | } |
jjg@57 | 84 | |
jjg@57 | 85 | @Override |
jjg@57 | 86 | protected String inferBinaryName(Iterable<? extends File> path) { |
jjg@57 | 87 | String fPath = f.getPath(); |
jjg@57 | 88 | //System.err.println("RegularFileObject " + file + " " +r.getPath()); |
jjg@57 | 89 | for (File dir: path) { |
jjg@57 | 90 | //System.err.println("dir: " + dir); |
jjg@57 | 91 | String dPath = dir.getPath(); |
jjg@144 | 92 | if (dPath.length() == 0) |
jjg@144 | 93 | dPath = System.getProperty("user.dir"); |
jjg@57 | 94 | if (!dPath.endsWith(File.separator)) |
jjg@57 | 95 | dPath += File.separator; |
jjg@57 | 96 | if (fPath.regionMatches(true, 0, dPath, 0, dPath.length()) |
jjg@57 | 97 | && new File(fPath.substring(0, dPath.length())).equals(new File(dPath))) { |
jjg@57 | 98 | String relativeName = fPath.substring(dPath.length()); |
jjg@57 | 99 | return removeExtension(relativeName).replace(File.separatorChar, '.'); |
jjg@57 | 100 | } |
jjg@57 | 101 | } |
jjg@57 | 102 | return null; |
jjg@57 | 103 | } |
jjg@57 | 104 | |
jjg@57 | 105 | private void ensureParentDirectoriesExist() throws IOException { |
jjg@57 | 106 | if (!hasParents) { |
jjg@57 | 107 | File parent = f.getParentFile(); |
jjg@57 | 108 | if (parent != null && !parent.exists()) { |
jjg@57 | 109 | if (!parent.mkdirs()) { |
jjg@57 | 110 | if (!parent.exists() || !parent.isDirectory()) { |
jjg@57 | 111 | throw new IOException("could not create parent directories"); |
jjg@57 | 112 | } |
jjg@57 | 113 | } |
jjg@57 | 114 | } |
jjg@57 | 115 | hasParents = true; |
jjg@57 | 116 | } |
jjg@57 | 117 | } |
jjg@57 | 118 | |
jjg@57 | 119 | @Deprecated |
jjg@57 | 120 | public String getName() { |
jjg@57 | 121 | return name; |
jjg@57 | 122 | } |
jjg@57 | 123 | |
jjg@57 | 124 | public boolean isNameCompatible(String cn, JavaFileObject.Kind kind) { |
jjg@57 | 125 | cn.getClass(); |
jjg@57 | 126 | // null check |
jjg@57 | 127 | if (kind == Kind.OTHER && getKind() != kind) { |
jjg@57 | 128 | return false; |
jjg@57 | 129 | } |
jjg@57 | 130 | String n = cn + kind.extension; |
jjg@57 | 131 | if (name.equals(n)) { |
jjg@57 | 132 | return true; |
jjg@57 | 133 | } |
jjg@57 | 134 | if (name.equalsIgnoreCase(n)) { |
jjg@57 | 135 | try { |
jjg@57 | 136 | // allow for Windows |
jjg@57 | 137 | return f.getCanonicalFile().getName().equals(n); |
jjg@57 | 138 | } catch (IOException e) { |
jjg@57 | 139 | } |
jjg@57 | 140 | } |
jjg@57 | 141 | return false; |
jjg@57 | 142 | } |
jjg@57 | 143 | |
jjg@57 | 144 | @Deprecated |
jjg@57 | 145 | public String getPath() { |
jjg@57 | 146 | return f.getPath(); |
jjg@57 | 147 | } |
jjg@57 | 148 | |
jjg@57 | 149 | public long getLastModified() { |
jjg@57 | 150 | return f.lastModified(); |
jjg@57 | 151 | } |
jjg@57 | 152 | |
jjg@57 | 153 | public boolean delete() { |
jjg@57 | 154 | return f.delete(); |
jjg@57 | 155 | } |
jjg@57 | 156 | |
jjg@57 | 157 | public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException { |
jjg@57 | 158 | CharBuffer cb = fileManager.getCachedContent(this); |
jjg@57 | 159 | if (cb == null) { |
jjg@57 | 160 | InputStream in = new FileInputStream(f); |
jjg@57 | 161 | try { |
jjg@57 | 162 | ByteBuffer bb = fileManager.makeByteBuffer(in); |
jjg@57 | 163 | JavaFileObject prev = fileManager.log.useSource(this); |
jjg@57 | 164 | try { |
jjg@57 | 165 | cb = fileManager.decode(bb, ignoreEncodingErrors); |
jjg@57 | 166 | } finally { |
jjg@57 | 167 | fileManager.log.useSource(prev); |
jjg@57 | 168 | } |
jjg@57 | 169 | fileManager.recycleByteBuffer(bb); |
jjg@57 | 170 | if (!ignoreEncodingErrors) { |
jjg@57 | 171 | fileManager.cache(this, cb); |
jjg@57 | 172 | } |
jjg@57 | 173 | } finally { |
jjg@57 | 174 | in.close(); |
jjg@57 | 175 | } |
jjg@57 | 176 | } |
jjg@57 | 177 | return cb; |
jjg@57 | 178 | } |
jjg@57 | 179 | |
jjg@57 | 180 | @Override |
jjg@57 | 181 | public boolean equals(Object other) { |
jjg@57 | 182 | if (!(other instanceof RegularFileObject)) { |
jjg@57 | 183 | return false; |
jjg@57 | 184 | } |
jjg@57 | 185 | RegularFileObject o = (RegularFileObject) other; |
jjg@57 | 186 | try { |
jjg@57 | 187 | return f.equals(o.f) || f.getCanonicalFile().equals(o.f.getCanonicalFile()); |
jjg@57 | 188 | } catch (IOException e) { |
jjg@57 | 189 | return false; |
jjg@57 | 190 | } |
jjg@57 | 191 | } |
jjg@57 | 192 | |
jjg@57 | 193 | @Override |
jjg@57 | 194 | public int hashCode() { |
jjg@57 | 195 | return f.hashCode(); |
jjg@57 | 196 | } |
jjg@57 | 197 | |
jjg@57 | 198 | public URI toUri() { |
jjg@57 | 199 | try { |
jjg@57 | 200 | String path = f.getAbsolutePath().replace(File.separatorChar, '/'); |
jjg@57 | 201 | return new URI("file://" + path).normalize(); |
jjg@57 | 202 | } catch (URISyntaxException ex) { |
jjg@57 | 203 | return f.toURI(); |
jjg@57 | 204 | } |
jjg@57 | 205 | } |
jjg@57 | 206 | } |