src/share/classes/com/sun/tools/doclets/internal/toolkit/util/SimpleDocFileFactory.java

Thu, 15 Nov 2012 19:54:20 -0800

author
jjg
date
Thu, 15 Nov 2012 19:54:20 -0800
changeset 1412
400a4e8accd3
child 1413
bdcef2ef52d2
permissions
-rw-r--r--

8002079: update DocFile to use a JavaFileManager
Reviewed-by: darcy

jjg@1412 1 /*
jjg@1412 2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
jjg@1412 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@1412 4 *
jjg@1412 5 * This code is free software; you can redistribute it and/or modify it
jjg@1412 6 * under the terms of the GNU General Public License version 2 only, as
jjg@1412 7 * published by the Free Software Foundation. Oracle designates this
jjg@1412 8 * particular file as subject to the "Classpath" exception as provided
jjg@1412 9 * by Oracle in the LICENSE file that accompanied this code.
jjg@1412 10 *
jjg@1412 11 * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@1412 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@1412 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@1412 14 * version 2 for more details (a copy is included in the LICENSE file that
jjg@1412 15 * accompanied this code).
jjg@1412 16 *
jjg@1412 17 * You should have received a copy of the GNU General Public License version
jjg@1412 18 * 2 along with this work; if not, write to the Free Software Foundation,
jjg@1412 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@1412 20 *
jjg@1412 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jjg@1412 22 * or visit www.oracle.com if you need additional information or have any
jjg@1412 23 * questions.
jjg@1412 24 */
jjg@1412 25
jjg@1412 26 package com.sun.tools.doclets.internal.toolkit.util;
jjg@1412 27
jjg@1412 28 import java.io.BufferedInputStream;
jjg@1412 29 import java.io.BufferedOutputStream;
jjg@1412 30 import java.io.BufferedWriter;
jjg@1412 31 import java.io.File;
jjg@1412 32 import java.io.FileInputStream;
jjg@1412 33 import java.io.FileNotFoundException;
jjg@1412 34 import java.io.FileOutputStream;
jjg@1412 35 import java.io.IOException;
jjg@1412 36 import java.io.InputStream;
jjg@1412 37 import java.io.OutputStream;
jjg@1412 38 import java.io.OutputStreamWriter;
jjg@1412 39 import java.io.UnsupportedEncodingException;
jjg@1412 40 import java.io.Writer;
jjg@1412 41 import java.util.ArrayList;
jjg@1412 42 import java.util.LinkedHashSet;
jjg@1412 43 import java.util.List;
jjg@1412 44 import java.util.Set;
jjg@1412 45
jjg@1412 46 import javax.tools.JavaFileManager.Location;
jjg@1412 47 import javax.tools.StandardLocation;
jjg@1412 48
jjg@1412 49 import com.sun.tools.doclets.internal.toolkit.Configuration;
jjg@1412 50
jjg@1412 51 /**
jjg@1412 52 * Implementation of DocFileFactory that just uses java.io.File API,
jjg@1412 53 * and does not use a JavaFileManager..
jjg@1412 54 *
jjg@1412 55 * <p><b>This is NOT part of any supported API.
jjg@1412 56 * If you write code that depends on this, you do so at your own risk.
jjg@1412 57 * This code and its internal interfaces are subject to change or
jjg@1412 58 * deletion without notice.</b>
jjg@1412 59 *
jjg@1412 60 * @since 1.8
jjg@1412 61 */
jjg@1412 62 class SimpleDocFileFactory extends DocFileFactory {
jjg@1412 63
jjg@1412 64 public SimpleDocFileFactory(Configuration configuration) {
jjg@1412 65 super(configuration);
jjg@1412 66 }
jjg@1412 67
jjg@1412 68 public DocFile createFileForDirectory(String file) {
jjg@1412 69 return new SimpleDocFile(new File(file));
jjg@1412 70 }
jjg@1412 71
jjg@1412 72 public DocFile createFileForInput(String file) {
jjg@1412 73 return new SimpleDocFile(new File(file));
jjg@1412 74 }
jjg@1412 75
jjg@1412 76 public DocFile createFileForOutput(DocPath path) {
jjg@1412 77 return new SimpleDocFile(StandardLocation.CLASS_OUTPUT, path);
jjg@1412 78 }
jjg@1412 79
jjg@1412 80 @Override
jjg@1412 81 Iterable<DocFile> list(Location location, DocPath path) {
jjg@1412 82 if (location != StandardLocation.SOURCE_PATH)
jjg@1412 83 throw new IllegalArgumentException();
jjg@1412 84
jjg@1412 85 Set<DocFile> files = new LinkedHashSet<DocFile>();
jjg@1412 86 for (String s : configuration.sourcepath.split(File.pathSeparator)) {
jjg@1412 87 if (s.isEmpty())
jjg@1412 88 continue;
jjg@1412 89 File f = new File(s);
jjg@1412 90 if (f.isDirectory()) {
jjg@1412 91 f = new File(f, path.getPath());
jjg@1412 92 if (f.exists())
jjg@1412 93 files.add(new SimpleDocFile(f));
jjg@1412 94 }
jjg@1412 95 }
jjg@1412 96 return files;
jjg@1412 97 }
jjg@1412 98
jjg@1412 99 class SimpleDocFile extends DocFile {
jjg@1412 100 private File file;
jjg@1412 101
jjg@1412 102 /** Create a DocFile for a given file. */
jjg@1412 103 private SimpleDocFile(File file) {
jjg@1412 104 super(configuration);
jjg@1412 105 this.file = file;
jjg@1412 106 }
jjg@1412 107
jjg@1412 108 /** Create a DocFile for a given location and relative path. */
jjg@1412 109 private SimpleDocFile(Location location, DocPath path) {
jjg@1412 110 super(configuration, location, path);
jjg@1412 111 String destDirName = configuration.destDirName;
jjg@1412 112 this.file = destDirName.isEmpty() ? new File(path.getPath())
jjg@1412 113 : new File(destDirName, path.getPath());
jjg@1412 114 }
jjg@1412 115
jjg@1412 116 /** Open an input stream for the file. */
jjg@1412 117 public InputStream openInputStream() throws FileNotFoundException {
jjg@1412 118 return new BufferedInputStream(new FileInputStream(file));
jjg@1412 119 }
jjg@1412 120
jjg@1412 121 /**
jjg@1412 122 * Open an output stream for the file.
jjg@1412 123 * The file must have been created with a location of
jjg@1412 124 * {@link StandardLocation#CLASS_OUTPUT} and a corresponding relative path.
jjg@1412 125 */
jjg@1412 126 public OutputStream openOutputStream() throws IOException, UnsupportedEncodingException {
jjg@1412 127 if (location != StandardLocation.CLASS_OUTPUT)
jjg@1412 128 throw new IllegalStateException();
jjg@1412 129
jjg@1412 130 createDirectoryForFile(file);
jjg@1412 131 return new BufferedOutputStream(new FileOutputStream(file));
jjg@1412 132 }
jjg@1412 133
jjg@1412 134 /**
jjg@1412 135 * Open an writer for the file, using the encoding (if any) given in the
jjg@1412 136 * doclet configuration.
jjg@1412 137 * The file must have been created with a location of
jjg@1412 138 * {@link StandardLocation#CLASS_OUTPUT} and a corresponding relative path.
jjg@1412 139 */
jjg@1412 140 public Writer openWriter() throws IOException, UnsupportedEncodingException {
jjg@1412 141 if (location != StandardLocation.CLASS_OUTPUT)
jjg@1412 142 throw new IllegalStateException();
jjg@1412 143
jjg@1412 144 createDirectoryForFile(file);
jjg@1412 145 FileOutputStream fos = new FileOutputStream(file);
jjg@1412 146 if (configuration.docencoding == null) {
jjg@1412 147 return new BufferedWriter(new OutputStreamWriter(fos));
jjg@1412 148 } else {
jjg@1412 149 return new BufferedWriter(new OutputStreamWriter(fos, configuration.docencoding));
jjg@1412 150 }
jjg@1412 151 }
jjg@1412 152
jjg@1412 153 /** Return true if the file can be read. */
jjg@1412 154 public boolean canRead() {
jjg@1412 155 return file.canRead();
jjg@1412 156 }
jjg@1412 157
jjg@1412 158 /** Return true if the file can be written. */
jjg@1412 159 public boolean canWrite() {
jjg@1412 160 return file.canRead();
jjg@1412 161 }
jjg@1412 162
jjg@1412 163 /** Return true if the file exists. */
jjg@1412 164 public boolean exists() {
jjg@1412 165 return file.exists();
jjg@1412 166 }
jjg@1412 167
jjg@1412 168 /** Return the base name (last component) of the file name. */
jjg@1412 169 public String getName() {
jjg@1412 170 return file.getName();
jjg@1412 171 }
jjg@1412 172
jjg@1412 173 /** Return the file system path for this file. */
jjg@1412 174 public String getPath() {
jjg@1412 175 return file.getPath();
jjg@1412 176 }
jjg@1412 177
jjg@1412 178 /** Return true is file has an absolute path name. */
jjg@1412 179 public boolean isAbsolute() {
jjg@1412 180 return file.isAbsolute();
jjg@1412 181 }
jjg@1412 182
jjg@1412 183 /** Return true is file identifies a directory. */
jjg@1412 184 public boolean isDirectory() {
jjg@1412 185 return file.isDirectory();
jjg@1412 186 }
jjg@1412 187
jjg@1412 188 /** Return true is file identifies a file. */
jjg@1412 189 public boolean isFile() {
jjg@1412 190 return file.isFile();
jjg@1412 191 }
jjg@1412 192
jjg@1412 193 /** Return true if this file is the same as another. */
jjg@1412 194 public boolean isSameFile(DocFile other) {
jjg@1412 195 if (!(other instanceof SimpleDocFile))
jjg@1412 196 return false;
jjg@1412 197
jjg@1412 198 try {
jjg@1412 199 return file.exists()
jjg@1412 200 && file.getCanonicalFile().equals(((SimpleDocFile)other).file.getCanonicalFile());
jjg@1412 201 } catch (IOException e) {
jjg@1412 202 return false;
jjg@1412 203 }
jjg@1412 204 }
jjg@1412 205
jjg@1412 206 /** If the file is a directory, list its contents. */
jjg@1412 207 public Iterable<DocFile> list() {
jjg@1412 208 List<DocFile> files = new ArrayList<DocFile>();
jjg@1412 209 for (File f: file.listFiles()) {
jjg@1412 210 files.add(new SimpleDocFile(f));
jjg@1412 211 }
jjg@1412 212 return files;
jjg@1412 213 }
jjg@1412 214
jjg@1412 215 /** Create the file as a directory, including any parent directories. */
jjg@1412 216 public boolean mkdirs() {
jjg@1412 217 return file.mkdirs();
jjg@1412 218 }
jjg@1412 219
jjg@1412 220 /**
jjg@1412 221 * Derive a new file by resolving a relative path against this file.
jjg@1412 222 * The new file will inherit the configuration and location of this file
jjg@1412 223 * If this file has a path set, the new file will have a corresponding
jjg@1412 224 * new path.
jjg@1412 225 */
jjg@1412 226 public DocFile resolve(DocPath p) {
jjg@1412 227 return resolve(p.getPath());
jjg@1412 228 }
jjg@1412 229
jjg@1412 230 /**
jjg@1412 231 * Derive a new file by resolving a relative path against this file.
jjg@1412 232 * The new file will inherit the configuration and location of this file
jjg@1412 233 * If this file has a path set, the new file will have a corresponding
jjg@1412 234 * new path.
jjg@1412 235 */
jjg@1412 236 public DocFile resolve(String p) {
jjg@1412 237 if (location == null && path == null) {
jjg@1412 238 return new SimpleDocFile(new File(file, p));
jjg@1412 239 } else {
jjg@1412 240 return new SimpleDocFile(location, path.resolve(p));
jjg@1412 241 }
jjg@1412 242 }
jjg@1412 243
jjg@1412 244 /**
jjg@1412 245 * Resolve a relative file against the given output location.
jjg@1412 246 * @param locn Currently, only SOURCE_OUTPUT is supported.
jjg@1412 247 */
jjg@1412 248 public DocFile resolveAgainst(StandardLocation locn) {
jjg@1412 249 if (locn != StandardLocation.CLASS_OUTPUT)
jjg@1412 250 throw new IllegalArgumentException();
jjg@1412 251 return new SimpleDocFile(
jjg@1412 252 new File(configuration.destDirName, file.getPath()));
jjg@1412 253 }
jjg@1412 254
jjg@1412 255 /**
jjg@1412 256 * Given a path string create all the directories in the path. For example,
jjg@1412 257 * if the path string is "java/applet", the method will create directory
jjg@1412 258 * "java" and then "java/applet" if they don't exist. The file separator
jjg@1412 259 * string "/" is platform dependent system property.
jjg@1412 260 *
jjg@1412 261 * @param path Directory path string.
jjg@1412 262 */
jjg@1412 263 private void createDirectoryForFile(File file) {
jjg@1412 264 File dir = file.getParentFile();
jjg@1412 265 if (dir == null || dir.exists() || dir.mkdirs())
jjg@1412 266 return;
jjg@1412 267
jjg@1412 268 configuration.message.error(
jjg@1412 269 "doclet.Unable_to_create_directory_0", dir.getPath());
jjg@1412 270 throw new DocletAbortException();
jjg@1412 271 }
jjg@1412 272
jjg@1412 273 /** Return a string to identify the contents of this object,
jjg@1412 274 * for debugging purposes.
jjg@1412 275 */
jjg@1412 276 @Override
jjg@1412 277 public String toString() {
jjg@1412 278 StringBuilder sb = new StringBuilder();
jjg@1412 279 sb.append("DocFile[");
jjg@1412 280 if (location != null)
jjg@1412 281 sb.append("locn:").append(location).append(",");
jjg@1412 282 if (path != null)
jjg@1412 283 sb.append("path:").append(path.getPath()).append(",");
jjg@1412 284 sb.append("file:").append(file);
jjg@1412 285 sb.append("]");
jjg@1412 286 return sb.toString();
jjg@1412 287 }
jjg@1412 288
jjg@1412 289 }
jjg@1412 290 }

mercurial