1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/file/RegularFileObject.java Wed Jun 18 07:23:25 2008 -0700
1.3 @@ -0,0 +1,204 @@
1.4 +/*
1.5 + * Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Sun designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Sun in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.26 + * have any questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.javac.file;
1.30 +
1.31 +import java.io.File;
1.32 +import java.io.FileInputStream;
1.33 +import java.io.FileOutputStream;
1.34 +import java.io.IOException;
1.35 +import java.io.InputStream;
1.36 +import java.io.OutputStream;
1.37 +import java.io.OutputStreamWriter;
1.38 +import java.io.Writer;
1.39 +import java.net.URI;
1.40 +import java.net.URISyntaxException;
1.41 +import java.nio.ByteBuffer;
1.42 +import java.nio.CharBuffer;
1.43 +import java.nio.charset.CharsetDecoder;
1.44 +import javax.tools.JavaFileObject;
1.45 +
1.46 +/**
1.47 + * A subclass of JavaFileObject representing regular files.
1.48 + */
1.49 +class RegularFileObject extends BaseFileObject {
1.50 +
1.51 + /** Have the parent directories been created?
1.52 + */
1.53 + private boolean hasParents = false;
1.54 + private String name;
1.55 + final File f;
1.56 +
1.57 + public RegularFileObject(JavacFileManager fileManager, File f) {
1.58 + this(fileManager, f.getName(), f);
1.59 + }
1.60 +
1.61 + public RegularFileObject(JavacFileManager fileManager, String name, File f) {
1.62 + super(fileManager);
1.63 + if (f.isDirectory()) {
1.64 + throw new IllegalArgumentException("directories not supported");
1.65 + }
1.66 + this.name = name;
1.67 + this.f = f;
1.68 + }
1.69 +
1.70 + public InputStream openInputStream() throws IOException {
1.71 + return new FileInputStream(f);
1.72 + }
1.73 +
1.74 + protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) {
1.75 + return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors);
1.76 + }
1.77 +
1.78 + public OutputStream openOutputStream() throws IOException {
1.79 + ensureParentDirectoriesExist();
1.80 + return new FileOutputStream(f);
1.81 + }
1.82 +
1.83 + public Writer openWriter() throws IOException {
1.84 + ensureParentDirectoriesExist();
1.85 + return new OutputStreamWriter(new FileOutputStream(f), fileManager.getEncodingName());
1.86 + }
1.87 +
1.88 + @Override
1.89 + protected String inferBinaryName(Iterable<? extends File> path) {
1.90 + String fPath = f.getPath();
1.91 + //System.err.println("RegularFileObject " + file + " " +r.getPath());
1.92 + for (File dir: path) {
1.93 + //System.err.println("dir: " + dir);
1.94 + String dPath = dir.getPath();
1.95 + if (!dPath.endsWith(File.separator))
1.96 + dPath += File.separator;
1.97 + if (fPath.regionMatches(true, 0, dPath, 0, dPath.length())
1.98 + && new File(fPath.substring(0, dPath.length())).equals(new File(dPath))) {
1.99 + String relativeName = fPath.substring(dPath.length());
1.100 + return removeExtension(relativeName).replace(File.separatorChar, '.');
1.101 + }
1.102 + }
1.103 + return null;
1.104 + }
1.105 +
1.106 + private void ensureParentDirectoriesExist() throws IOException {
1.107 + if (!hasParents) {
1.108 + File parent = f.getParentFile();
1.109 + if (parent != null && !parent.exists()) {
1.110 + if (!parent.mkdirs()) {
1.111 + if (!parent.exists() || !parent.isDirectory()) {
1.112 + throw new IOException("could not create parent directories");
1.113 + }
1.114 + }
1.115 + }
1.116 + hasParents = true;
1.117 + }
1.118 + }
1.119 +
1.120 + @Deprecated
1.121 + public String getName() {
1.122 + return name;
1.123 + }
1.124 +
1.125 + public boolean isNameCompatible(String cn, JavaFileObject.Kind kind) {
1.126 + cn.getClass();
1.127 + // null check
1.128 + if (kind == Kind.OTHER && getKind() != kind) {
1.129 + return false;
1.130 + }
1.131 + String n = cn + kind.extension;
1.132 + if (name.equals(n)) {
1.133 + return true;
1.134 + }
1.135 + if (name.equalsIgnoreCase(n)) {
1.136 + try {
1.137 + // allow for Windows
1.138 + return f.getCanonicalFile().getName().equals(n);
1.139 + } catch (IOException e) {
1.140 + }
1.141 + }
1.142 + return false;
1.143 + }
1.144 +
1.145 + @Deprecated
1.146 + public String getPath() {
1.147 + return f.getPath();
1.148 + }
1.149 +
1.150 + public long getLastModified() {
1.151 + return f.lastModified();
1.152 + }
1.153 +
1.154 + public boolean delete() {
1.155 + return f.delete();
1.156 + }
1.157 +
1.158 + public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException {
1.159 + CharBuffer cb = fileManager.getCachedContent(this);
1.160 + if (cb == null) {
1.161 + InputStream in = new FileInputStream(f);
1.162 + try {
1.163 + ByteBuffer bb = fileManager.makeByteBuffer(in);
1.164 + JavaFileObject prev = fileManager.log.useSource(this);
1.165 + try {
1.166 + cb = fileManager.decode(bb, ignoreEncodingErrors);
1.167 + } finally {
1.168 + fileManager.log.useSource(prev);
1.169 + }
1.170 + fileManager.recycleByteBuffer(bb);
1.171 + if (!ignoreEncodingErrors) {
1.172 + fileManager.cache(this, cb);
1.173 + }
1.174 + } finally {
1.175 + in.close();
1.176 + }
1.177 + }
1.178 + return cb;
1.179 + }
1.180 +
1.181 + @Override
1.182 + public boolean equals(Object other) {
1.183 + if (!(other instanceof RegularFileObject)) {
1.184 + return false;
1.185 + }
1.186 + RegularFileObject o = (RegularFileObject) other;
1.187 + try {
1.188 + return f.equals(o.f) || f.getCanonicalFile().equals(o.f.getCanonicalFile());
1.189 + } catch (IOException e) {
1.190 + return false;
1.191 + }
1.192 + }
1.193 +
1.194 + @Override
1.195 + public int hashCode() {
1.196 + return f.hashCode();
1.197 + }
1.198 +
1.199 + public URI toUri() {
1.200 + try {
1.201 + String path = f.getAbsolutePath().replace(File.separatorChar, '/');
1.202 + return new URI("file://" + path).normalize();
1.203 + } catch (URISyntaxException ex) {
1.204 + return f.toURI();
1.205 + }
1.206 + }
1.207 +}
