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

Wed, 27 Apr 2016 01:34:52 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:34:52 +0800
changeset 0
959103a6100f
child 2525
2eb010b6cb22
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.tools.doclets.internal.toolkit.util;
aoqi@0 27
aoqi@0 28 import java.io.BufferedInputStream;
aoqi@0 29 import java.io.BufferedOutputStream;
aoqi@0 30 import java.io.BufferedWriter;
aoqi@0 31 import java.io.File;
aoqi@0 32 import java.io.FileInputStream;
aoqi@0 33 import java.io.FileNotFoundException;
aoqi@0 34 import java.io.FileOutputStream;
aoqi@0 35 import java.io.IOException;
aoqi@0 36 import java.io.InputStream;
aoqi@0 37 import java.io.OutputStream;
aoqi@0 38 import java.io.OutputStreamWriter;
aoqi@0 39 import java.io.UnsupportedEncodingException;
aoqi@0 40 import java.io.Writer;
aoqi@0 41 import java.util.ArrayList;
aoqi@0 42 import java.util.LinkedHashSet;
aoqi@0 43 import java.util.List;
aoqi@0 44 import java.util.Set;
aoqi@0 45
aoqi@0 46 import javax.tools.DocumentationTool;
aoqi@0 47 import javax.tools.JavaFileManager.Location;
aoqi@0 48 import javax.tools.StandardLocation;
aoqi@0 49
aoqi@0 50 import com.sun.tools.doclets.internal.toolkit.Configuration;
aoqi@0 51
aoqi@0 52 /**
aoqi@0 53 * Implementation of DocFileFactory that just uses java.io.File API,
aoqi@0 54 * and does not use a JavaFileManager..
aoqi@0 55 *
aoqi@0 56 * <p><b>This is NOT part of any supported API.
aoqi@0 57 * If you write code that depends on this, you do so at your own risk.
aoqi@0 58 * This code and its internal interfaces are subject to change or
aoqi@0 59 * deletion without notice.</b>
aoqi@0 60 *
aoqi@0 61 * @since 1.8
aoqi@0 62 */
aoqi@0 63 class SimpleDocFileFactory extends DocFileFactory {
aoqi@0 64
aoqi@0 65 public SimpleDocFileFactory(Configuration configuration) {
aoqi@0 66 super(configuration);
aoqi@0 67 }
aoqi@0 68
aoqi@0 69 public DocFile createFileForDirectory(String file) {
aoqi@0 70 return new SimpleDocFile(new File(file));
aoqi@0 71 }
aoqi@0 72
aoqi@0 73 public DocFile createFileForInput(String file) {
aoqi@0 74 return new SimpleDocFile(new File(file));
aoqi@0 75 }
aoqi@0 76
aoqi@0 77 public DocFile createFileForOutput(DocPath path) {
aoqi@0 78 return new SimpleDocFile(DocumentationTool.Location.DOCUMENTATION_OUTPUT, path);
aoqi@0 79 }
aoqi@0 80
aoqi@0 81 @Override
aoqi@0 82 Iterable<DocFile> list(Location location, DocPath path) {
aoqi@0 83 if (location != StandardLocation.SOURCE_PATH)
aoqi@0 84 throw new IllegalArgumentException();
aoqi@0 85
aoqi@0 86 Set<DocFile> files = new LinkedHashSet<DocFile>();
aoqi@0 87 for (String s : configuration.sourcepath.split(File.pathSeparator)) {
aoqi@0 88 if (s.isEmpty())
aoqi@0 89 continue;
aoqi@0 90 File f = new File(s);
aoqi@0 91 if (f.isDirectory()) {
aoqi@0 92 f = new File(f, path.getPath());
aoqi@0 93 if (f.exists())
aoqi@0 94 files.add(new SimpleDocFile(f));
aoqi@0 95 }
aoqi@0 96 }
aoqi@0 97 return files;
aoqi@0 98 }
aoqi@0 99
aoqi@0 100 class SimpleDocFile extends DocFile {
aoqi@0 101 private File file;
aoqi@0 102
aoqi@0 103 /** Create a DocFile for a given file. */
aoqi@0 104 private SimpleDocFile(File file) {
aoqi@0 105 super(configuration);
aoqi@0 106 this.file = file;
aoqi@0 107 }
aoqi@0 108
aoqi@0 109 /** Create a DocFile for a given location and relative path. */
aoqi@0 110 private SimpleDocFile(Location location, DocPath path) {
aoqi@0 111 super(configuration, location, path);
aoqi@0 112 String destDirName = configuration.destDirName;
aoqi@0 113 this.file = destDirName.isEmpty() ? new File(path.getPath())
aoqi@0 114 : new File(destDirName, path.getPath());
aoqi@0 115 }
aoqi@0 116
aoqi@0 117 /** Open an input stream for the file. */
aoqi@0 118 public InputStream openInputStream() throws FileNotFoundException {
aoqi@0 119 return new BufferedInputStream(new FileInputStream(file));
aoqi@0 120 }
aoqi@0 121
aoqi@0 122 /**
aoqi@0 123 * Open an output stream for the file.
aoqi@0 124 * The file must have been created with a location of
aoqi@0 125 * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
aoqi@0 126 */
aoqi@0 127 public OutputStream openOutputStream() throws IOException, UnsupportedEncodingException {
aoqi@0 128 if (location != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
aoqi@0 129 throw new IllegalStateException();
aoqi@0 130
aoqi@0 131 createDirectoryForFile(file);
aoqi@0 132 return new BufferedOutputStream(new FileOutputStream(file));
aoqi@0 133 }
aoqi@0 134
aoqi@0 135 /**
aoqi@0 136 * Open an writer for the file, using the encoding (if any) given in the
aoqi@0 137 * doclet configuration.
aoqi@0 138 * The file must have been created with a location of
aoqi@0 139 * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
aoqi@0 140 */
aoqi@0 141 public Writer openWriter() throws IOException, UnsupportedEncodingException {
aoqi@0 142 if (location != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
aoqi@0 143 throw new IllegalStateException();
aoqi@0 144
aoqi@0 145 createDirectoryForFile(file);
aoqi@0 146 FileOutputStream fos = new FileOutputStream(file);
aoqi@0 147 if (configuration.docencoding == null) {
aoqi@0 148 return new BufferedWriter(new OutputStreamWriter(fos));
aoqi@0 149 } else {
aoqi@0 150 return new BufferedWriter(new OutputStreamWriter(fos, configuration.docencoding));
aoqi@0 151 }
aoqi@0 152 }
aoqi@0 153
aoqi@0 154 /** Return true if the file can be read. */
aoqi@0 155 public boolean canRead() {
aoqi@0 156 return file.canRead();
aoqi@0 157 }
aoqi@0 158
aoqi@0 159 /** Return true if the file can be written. */
aoqi@0 160 public boolean canWrite() {
aoqi@0 161 return file.canRead();
aoqi@0 162 }
aoqi@0 163
aoqi@0 164 /** Return true if the file exists. */
aoqi@0 165 public boolean exists() {
aoqi@0 166 return file.exists();
aoqi@0 167 }
aoqi@0 168
aoqi@0 169 /** Return the base name (last component) of the file name. */
aoqi@0 170 public String getName() {
aoqi@0 171 return file.getName();
aoqi@0 172 }
aoqi@0 173
aoqi@0 174 /** Return the file system path for this file. */
aoqi@0 175 public String getPath() {
aoqi@0 176 return file.getPath();
aoqi@0 177 }
aoqi@0 178
aoqi@0 179 /** Return true is file has an absolute path name. */
aoqi@0 180 public boolean isAbsolute() {
aoqi@0 181 return file.isAbsolute();
aoqi@0 182 }
aoqi@0 183
aoqi@0 184 /** Return true is file identifies a directory. */
aoqi@0 185 public boolean isDirectory() {
aoqi@0 186 return file.isDirectory();
aoqi@0 187 }
aoqi@0 188
aoqi@0 189 /** Return true is file identifies a file. */
aoqi@0 190 public boolean isFile() {
aoqi@0 191 return file.isFile();
aoqi@0 192 }
aoqi@0 193
aoqi@0 194 /** Return true if this file is the same as another. */
aoqi@0 195 public boolean isSameFile(DocFile other) {
aoqi@0 196 if (!(other instanceof SimpleDocFile))
aoqi@0 197 return false;
aoqi@0 198
aoqi@0 199 try {
aoqi@0 200 return file.exists()
aoqi@0 201 && file.getCanonicalFile().equals(((SimpleDocFile)other).file.getCanonicalFile());
aoqi@0 202 } catch (IOException e) {
aoqi@0 203 return false;
aoqi@0 204 }
aoqi@0 205 }
aoqi@0 206
aoqi@0 207 /** If the file is a directory, list its contents. */
aoqi@0 208 public Iterable<DocFile> list() {
aoqi@0 209 List<DocFile> files = new ArrayList<DocFile>();
aoqi@0 210 for (File f: file.listFiles()) {
aoqi@0 211 files.add(new SimpleDocFile(f));
aoqi@0 212 }
aoqi@0 213 return files;
aoqi@0 214 }
aoqi@0 215
aoqi@0 216 /** Create the file as a directory, including any parent directories. */
aoqi@0 217 public boolean mkdirs() {
aoqi@0 218 return file.mkdirs();
aoqi@0 219 }
aoqi@0 220
aoqi@0 221 /**
aoqi@0 222 * Derive a new file by resolving a relative path against this file.
aoqi@0 223 * The new file will inherit the configuration and location of this file
aoqi@0 224 * If this file has a path set, the new file will have a corresponding
aoqi@0 225 * new path.
aoqi@0 226 */
aoqi@0 227 public DocFile resolve(DocPath p) {
aoqi@0 228 return resolve(p.getPath());
aoqi@0 229 }
aoqi@0 230
aoqi@0 231 /**
aoqi@0 232 * Derive a new file by resolving a relative path against this file.
aoqi@0 233 * The new file will inherit the configuration and location of this file
aoqi@0 234 * If this file has a path set, the new file will have a corresponding
aoqi@0 235 * new path.
aoqi@0 236 */
aoqi@0 237 public DocFile resolve(String p) {
aoqi@0 238 if (location == null && path == null) {
aoqi@0 239 return new SimpleDocFile(new File(file, p));
aoqi@0 240 } else {
aoqi@0 241 return new SimpleDocFile(location, path.resolve(p));
aoqi@0 242 }
aoqi@0 243 }
aoqi@0 244
aoqi@0 245 /**
aoqi@0 246 * Resolve a relative file against the given output location.
aoqi@0 247 * @param locn Currently, only
aoqi@0 248 * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} is supported.
aoqi@0 249 */
aoqi@0 250 public DocFile resolveAgainst(Location locn) {
aoqi@0 251 if (locn != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
aoqi@0 252 throw new IllegalArgumentException();
aoqi@0 253 return new SimpleDocFile(
aoqi@0 254 new File(configuration.destDirName, file.getPath()));
aoqi@0 255 }
aoqi@0 256
aoqi@0 257 /**
aoqi@0 258 * Given a path string create all the directories in the path. For example,
aoqi@0 259 * if the path string is "java/applet", the method will create directory
aoqi@0 260 * "java" and then "java/applet" if they don't exist. The file separator
aoqi@0 261 * string "/" is platform dependent system property.
aoqi@0 262 *
aoqi@0 263 * @param path Directory path string.
aoqi@0 264 */
aoqi@0 265 private void createDirectoryForFile(File file) {
aoqi@0 266 File dir = file.getParentFile();
aoqi@0 267 if (dir == null || dir.exists() || dir.mkdirs())
aoqi@0 268 return;
aoqi@0 269
aoqi@0 270 configuration.message.error(
aoqi@0 271 "doclet.Unable_to_create_directory_0", dir.getPath());
aoqi@0 272 throw new DocletAbortException("can't create directory");
aoqi@0 273 }
aoqi@0 274
aoqi@0 275 /** Return a string to identify the contents of this object,
aoqi@0 276 * for debugging purposes.
aoqi@0 277 */
aoqi@0 278 @Override
aoqi@0 279 public String toString() {
aoqi@0 280 StringBuilder sb = new StringBuilder();
aoqi@0 281 sb.append("DocFile[");
aoqi@0 282 if (location != null)
aoqi@0 283 sb.append("locn:").append(location).append(",");
aoqi@0 284 if (path != null)
aoqi@0 285 sb.append("path:").append(path.getPath()).append(",");
aoqi@0 286 sb.append("file:").append(file);
aoqi@0 287 sb.append("]");
aoqi@0 288 return sb.toString();
aoqi@0 289 }
aoqi@0 290
aoqi@0 291 }
aoqi@0 292 }

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