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

Mon, 10 Dec 2012 16:21:26 +0000

author
vromero
date
Mon, 10 Dec 2012 16:21:26 +0000
changeset 1442
fcf89720ae71
parent 1413
bdcef2ef52d2
child 1985
0e6577980181
permissions
-rw-r--r--

8003967: detect and remove all mutable implicit static enum fields in langtools
Reviewed-by: jjg

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.IOException;
jjg@1412 33 import java.io.InputStream;
jjg@1412 34 import java.io.OutputStream;
jjg@1412 35 import java.io.OutputStreamWriter;
jjg@1412 36 import java.io.UnsupportedEncodingException;
jjg@1412 37 import java.io.Writer;
jjg@1412 38 import java.util.ArrayList;
jjg@1412 39 import java.util.Arrays;
jjg@1412 40 import java.util.LinkedHashSet;
jjg@1412 41 import java.util.List;
jjg@1412 42 import java.util.Set;
jjg@1412 43
jjg@1413 44 import javax.tools.DocumentationTool;
jjg@1412 45 import javax.tools.FileObject;
jjg@1412 46 import javax.tools.JavaFileManager.Location;
jjg@1412 47 import javax.tools.JavaFileObject;
jjg@1412 48 import javax.tools.StandardJavaFileManager;
jjg@1412 49 import javax.tools.StandardLocation;
jjg@1412 50
jjg@1412 51 import com.sun.tools.doclets.internal.toolkit.Configuration;
jjg@1412 52 import com.sun.tools.javac.util.Assert;
jjg@1412 53
jjg@1412 54 /**
jjg@1412 55 * Implementation of DocFileFactory using a {@link StandardJavaFileManager}.
jjg@1412 56 *
jjg@1412 57 * <p><b>This is NOT part of any supported API.
jjg@1412 58 * If you write code that depends on this, you do so at your own risk.
jjg@1412 59 * This code and its internal interfaces are subject to change or
jjg@1412 60 * deletion without notice.</b>
jjg@1412 61 *
jjg@1412 62 * @since 1.8
jjg@1412 63 */
jjg@1412 64 class StandardDocFileFactory extends DocFileFactory {
jjg@1412 65 private final StandardJavaFileManager fileManager;
jjg@1413 66 private File destDir;
jjg@1412 67
jjg@1412 68 public StandardDocFileFactory(Configuration configuration) {
jjg@1412 69 super(configuration);
jjg@1412 70 fileManager = (StandardJavaFileManager) configuration.getFileManager();
jjg@1413 71 }
jjg@1412 72
jjg@1413 73 private File getDestDir() {
jjg@1413 74 if (destDir == null) {
jjg@1413 75 if (!configuration.destDirName.isEmpty()
jjg@1413 76 || !fileManager.hasLocation(DocumentationTool.Location.DOCUMENTATION_OUTPUT)) {
jjg@1413 77 try {
jjg@1413 78 String dirName = configuration.destDirName.isEmpty() ? "." : configuration.destDirName;
jjg@1413 79 File dir = new File(dirName);
jjg@1413 80 fileManager.setLocation(DocumentationTool.Location.DOCUMENTATION_OUTPUT, Arrays.asList(dir));
jjg@1413 81 } catch (IOException e) {
jjg@1413 82 throw new DocletAbortException();
jjg@1413 83 }
jjg@1412 84 }
jjg@1413 85
jjg@1413 86 destDir = fileManager.getLocation(DocumentationTool.Location.DOCUMENTATION_OUTPUT).iterator().next();
jjg@1412 87 }
jjg@1413 88 return destDir;
jjg@1412 89 }
jjg@1412 90
jjg@1412 91 public DocFile createFileForDirectory(String file) {
jjg@1412 92 return new StandardDocFile(new File(file));
jjg@1412 93 }
jjg@1412 94
jjg@1412 95 public DocFile createFileForInput(String file) {
jjg@1412 96 return new StandardDocFile(new File(file));
jjg@1412 97 }
jjg@1412 98
jjg@1412 99 public DocFile createFileForOutput(DocPath path) {
jjg@1413 100 return new StandardDocFile(DocumentationTool.Location.DOCUMENTATION_OUTPUT, path);
jjg@1412 101 }
jjg@1412 102
jjg@1412 103 @Override
jjg@1412 104 Iterable<DocFile> list(Location location, DocPath path) {
jjg@1412 105 if (location != StandardLocation.SOURCE_PATH)
jjg@1412 106 throw new IllegalArgumentException();
jjg@1412 107
jjg@1412 108 Set<DocFile> files = new LinkedHashSet<DocFile>();
jjg@1413 109 Location l = fileManager.hasLocation(StandardLocation.SOURCE_PATH)
jjg@1413 110 ? StandardLocation.SOURCE_PATH : StandardLocation.CLASS_PATH;
jjg@1413 111 for (File f: fileManager.getLocation(l)) {
jjg@1413 112 if (f.isDirectory()) {
jjg@1413 113 f = new File(f, path.getPath());
jjg@1413 114 if (f.exists())
jjg@1413 115 files.add(new StandardDocFile(f));
jjg@1412 116 }
jjg@1412 117 }
jjg@1412 118 return files;
jjg@1412 119 }
jjg@1412 120
jjg@1412 121 private static File newFile(File dir, String path) {
jjg@1412 122 return (dir == null) ? new File(path) : new File(dir, path);
jjg@1412 123 }
jjg@1412 124
jjg@1412 125 class StandardDocFile extends DocFile {
jjg@1412 126 private File file;
jjg@1412 127
jjg@1412 128
jjg@1412 129 /** Create a StandardDocFile for a given file. */
jjg@1412 130 private StandardDocFile(File file) {
jjg@1412 131 super(configuration);
jjg@1412 132 this.file = file;
jjg@1412 133 }
jjg@1412 134
jjg@1412 135 /** Create a StandardDocFile for a given location and relative path. */
jjg@1412 136 private StandardDocFile(Location location, DocPath path) {
jjg@1412 137 super(configuration, location, path);
jjg@1413 138 Assert.check(location == DocumentationTool.Location.DOCUMENTATION_OUTPUT);
jjg@1413 139 this.file = newFile(getDestDir(), path.getPath());
jjg@1412 140 }
jjg@1412 141
jjg@1412 142 /** Open an input stream for the file. */
jjg@1412 143 public InputStream openInputStream() throws IOException {
jjg@1412 144 JavaFileObject fo = getJavaFileObjectForInput(file);
jjg@1412 145 return new BufferedInputStream(fo.openInputStream());
jjg@1412 146 }
jjg@1412 147
jjg@1412 148 /**
jjg@1412 149 * Open an output stream for the file.
jjg@1412 150 * The file must have been created with a location of
jjg@1413 151 * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
jjg@1412 152 */
jjg@1412 153 public OutputStream openOutputStream() throws IOException, UnsupportedEncodingException {
jjg@1413 154 if (location != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
jjg@1412 155 throw new IllegalStateException();
jjg@1412 156
jjg@1412 157 OutputStream out = getFileObjectForOutput(path).openOutputStream();
jjg@1412 158 return new BufferedOutputStream(out);
jjg@1412 159 }
jjg@1412 160
jjg@1412 161 /**
jjg@1412 162 * Open an writer for the file, using the encoding (if any) given in the
jjg@1412 163 * doclet configuration.
jjg@1412 164 * The file must have been created with a location of
jjg@1413 165 * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
jjg@1412 166 */
jjg@1412 167 public Writer openWriter() throws IOException, UnsupportedEncodingException {
jjg@1413 168 if (location != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
jjg@1412 169 throw new IllegalStateException();
jjg@1412 170
jjg@1412 171 OutputStream out = getFileObjectForOutput(path).openOutputStream();
jjg@1412 172 if (configuration.docencoding == null) {
jjg@1412 173 return new BufferedWriter(new OutputStreamWriter(out));
jjg@1412 174 } else {
jjg@1412 175 return new BufferedWriter(new OutputStreamWriter(out, configuration.docencoding));
jjg@1412 176 }
jjg@1412 177 }
jjg@1412 178
jjg@1412 179 /** Return true if the file can be read. */
jjg@1412 180 public boolean canRead() {
jjg@1412 181 return file.canRead();
jjg@1412 182 }
jjg@1412 183
jjg@1412 184 /** Return true if the file can be written. */
jjg@1412 185 public boolean canWrite() {
jjg@1412 186 return file.canWrite();
jjg@1412 187 }
jjg@1412 188
jjg@1412 189 /** Return true if the file exists. */
jjg@1412 190 public boolean exists() {
jjg@1412 191 return file.exists();
jjg@1412 192 }
jjg@1412 193
jjg@1412 194 /** Return the base name (last component) of the file name. */
jjg@1412 195 public String getName() {
jjg@1412 196 return file.getName();
jjg@1412 197 }
jjg@1412 198
jjg@1412 199 /** Return the file system path for this file. */
jjg@1412 200 public String getPath() {
jjg@1412 201 return file.getPath();
jjg@1412 202 }
jjg@1412 203
jjg@1412 204 /** Return true is file has an absolute path name. */
jjg@1412 205 public boolean isAbsolute() {
jjg@1412 206 return file.isAbsolute();
jjg@1412 207 }
jjg@1412 208
jjg@1412 209 /** Return true is file identifies a directory. */
jjg@1412 210 public boolean isDirectory() {
jjg@1412 211 return file.isDirectory();
jjg@1412 212 }
jjg@1412 213
jjg@1412 214 /** Return true is file identifies a file. */
jjg@1412 215 public boolean isFile() {
jjg@1412 216 return file.isFile();
jjg@1412 217 }
jjg@1412 218
jjg@1412 219 /** Return true if this file is the same as another. */
jjg@1412 220 public boolean isSameFile(DocFile other) {
jjg@1412 221 if (!(other instanceof StandardDocFile))
jjg@1412 222 return false;
jjg@1412 223
jjg@1412 224 try {
jjg@1412 225 return file.exists()
jjg@1412 226 && file.getCanonicalFile().equals(((StandardDocFile) other).file.getCanonicalFile());
jjg@1412 227 } catch (IOException e) {
jjg@1412 228 return false;
jjg@1412 229 }
jjg@1412 230 }
jjg@1412 231
jjg@1412 232 /** If the file is a directory, list its contents. */
jjg@1412 233 public Iterable<DocFile> list() {
jjg@1412 234 List<DocFile> files = new ArrayList<DocFile>();
jjg@1412 235 for (File f: file.listFiles()) {
jjg@1412 236 files.add(new StandardDocFile(f));
jjg@1412 237 }
jjg@1412 238 return files;
jjg@1412 239 }
jjg@1412 240
jjg@1412 241 /** Create the file as a directory, including any parent directories. */
jjg@1412 242 public boolean mkdirs() {
jjg@1412 243 return file.mkdirs();
jjg@1412 244 }
jjg@1412 245
jjg@1412 246 /**
jjg@1412 247 * Derive a new file by resolving a relative path against this file.
jjg@1412 248 * The new file will inherit the configuration and location of this file
jjg@1412 249 * If this file has a path set, the new file will have a corresponding
jjg@1412 250 * new path.
jjg@1412 251 */
jjg@1412 252 public DocFile resolve(DocPath p) {
jjg@1412 253 return resolve(p.getPath());
jjg@1412 254 }
jjg@1412 255
jjg@1412 256 /**
jjg@1412 257 * Derive a new file by resolving a relative path against this file.
jjg@1412 258 * The new file will inherit the configuration and location of this file
jjg@1412 259 * If this file has a path set, the new file will have a corresponding
jjg@1412 260 * new path.
jjg@1412 261 */
jjg@1412 262 public DocFile resolve(String p) {
jjg@1412 263 if (location == null && path == null) {
jjg@1412 264 return new StandardDocFile(new File(file, p));
jjg@1412 265 } else {
jjg@1412 266 return new StandardDocFile(location, path.resolve(p));
jjg@1412 267 }
jjg@1412 268 }
jjg@1412 269
jjg@1412 270 /**
jjg@1412 271 * Resolve a relative file against the given output location.
jjg@1413 272 * @param locn Currently, only
jjg@1413 273 * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} is supported.
jjg@1412 274 */
jjg@1413 275 public DocFile resolveAgainst(Location locn) {
jjg@1413 276 if (locn != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
jjg@1412 277 throw new IllegalArgumentException();
jjg@1413 278 return new StandardDocFile(newFile(getDestDir(), file.getPath()));
jjg@1412 279 }
jjg@1412 280
jjg@1412 281 /** Return a string to identify the contents of this object,
jjg@1412 282 * for debugging purposes.
jjg@1412 283 */
jjg@1412 284 @Override
jjg@1412 285 public String toString() {
jjg@1412 286 StringBuilder sb = new StringBuilder();
jjg@1412 287 sb.append("StandardDocFile[");
jjg@1412 288 if (location != null)
jjg@1412 289 sb.append("locn:").append(location).append(",");
jjg@1412 290 if (path != null)
jjg@1412 291 sb.append("path:").append(path.getPath()).append(",");
jjg@1412 292 sb.append("file:").append(file);
jjg@1412 293 sb.append("]");
jjg@1412 294 return sb.toString();
jjg@1412 295 }
jjg@1412 296
jjg@1412 297 private JavaFileObject getJavaFileObjectForInput(File file) {
jjg@1412 298 return fileManager.getJavaFileObjects(file).iterator().next();
jjg@1412 299 }
jjg@1412 300
jjg@1412 301 private FileObject getFileObjectForOutput(DocPath path) throws IOException {
jjg@1412 302 // break the path into a package-part and the rest, by finding
jjg@1412 303 // the position of the last '/' before an invalid character for a
jjg@1412 304 // package name, such as the "." before an extension or the "-"
jjg@1412 305 // in filenames like package-summary.html, doc-files or src-html.
jjg@1412 306 String p = path.getPath();
jjg@1412 307 int lastSep = -1;
jjg@1412 308 for (int i = 0; i < p.length(); i++) {
jjg@1412 309 char ch = p.charAt(i);
jjg@1412 310 if (ch == '/') {
jjg@1412 311 lastSep = i;
jjg@1412 312 } else if (i == lastSep + 1 && !Character.isJavaIdentifierStart(ch)
jjg@1412 313 || !Character.isJavaIdentifierPart(ch)) {
jjg@1412 314 break;
jjg@1412 315 }
jjg@1412 316 }
jjg@1412 317 String pkg = (lastSep == -1) ? "" : p.substring(0, lastSep);
jjg@1412 318 String rest = p.substring(lastSep + 1);
jjg@1412 319 return fileManager.getFileForOutput(location, pkg, rest, null);
jjg@1412 320 }
jjg@1412 321 }
jjg@1412 322 }

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