jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/doclets/internal/toolkit/util/PathDocFileFactory.java@400a4e8accd3 (annotated)

src/share/classes/com/sun/tools/doclets/internal/toolkit/util/PathDocFileFactory.java@400a4e8accd3 (annotated)

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

 /*
  * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.doclets.internal.toolkit.util;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.UnsupportedEncodingException;
 import java.io.Writer;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 import javax.tools.FileObject;
 import javax.tools.JavaFileManager.Location;
 import javax.tools.JavaFileObject;
 import javax.tools.StandardLocation;
 import com.sun.tools.doclets.internal.toolkit.Configuration;
 import com.sun.tools.javac.nio.PathFileManager;
 /**
  * Implementation of DocFileFactory using a {@link PathFileManager}.
  *
  *  <p><b>This is NOT part of any supported API.
  *  If you write code that depends on this, you do so at your own risk.
  *  This code and its internal interfaces are subject to change or
  *  deletion without notice.</b>
  *
  * @since 1.8
  */
 class PathDocFileFactory extends DocFileFactory {
     private final PathFileManager fileManager;
     private final Path destDir;
     public PathDocFileFactory(Configuration configuration) {
         super(configuration);
         fileManager = (PathFileManager) configuration.getFileManager();
         if (!configuration.destDirName.isEmpty()
                 || !fileManager.hasLocation(StandardLocation.CLASS_OUTPUT)) {
             try {
                 String dirName = configuration.destDirName.isEmpty() ? "." : configuration.destDirName;
                 Path dir = fileManager.getDefaultFileSystem().getPath(dirName);
                 fileManager.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(dir));
             } catch (IOException e) {
                 throw new DocletAbortException();
             }
         }
         destDir = fileManager.getLocation(StandardLocation.CLASS_OUTPUT).iterator().next();
     }
     public DocFile createFileForDirectory(String file) {
         return new StandardDocFile(fileManager.getDefaultFileSystem().getPath(file));
     }
     public DocFile createFileForInput(String file) {
         return new StandardDocFile(fileManager.getDefaultFileSystem().getPath(file));
     }
     public DocFile createFileForOutput(DocPath path) {
         return new StandardDocFile(StandardLocation.CLASS_OUTPUT, path);
     }
     @Override
     Iterable<DocFile> list(Location location, DocPath path) {
         if (location != StandardLocation.SOURCE_PATH)
             throw new IllegalArgumentException();
         Set<DocFile> files = new LinkedHashSet<DocFile>();
         if (fileManager.hasLocation(location)) {
             for (Path f: fileManager.getLocation(location)) {
                 if (Files.isDirectory(f)) {
                     f = f.resolve(path.getPath());
                     if (Files.exists(f))
                         files.add(new StandardDocFile(f));
                 }
             }
         }
         return files;
     }
     class StandardDocFile extends DocFile {
         private Path file;
         /** Create a StandardDocFile for a given file. */
         private StandardDocFile(Path file) {
             super(configuration);
             this.file = file;
         }
         /** Create a StandardDocFile for a given location and relative path. */
         private StandardDocFile(Location location, DocPath path) {
             super(configuration, location, path);
             this.file = destDir.resolve(path.getPath());
         }
         /** Open an input stream for the file. */
         public InputStream openInputStream() throws IOException {
             JavaFileObject fo = getJavaFileObjectForInput(file);
             return new BufferedInputStream(fo.openInputStream());
         }
         /**
          * Open an output stream for the file.
          * The file must have been created with a location of
          * {@link StandardLocation#CLASS_OUTPUT} and a corresponding relative path.
          */
         public OutputStream openOutputStream() throws IOException, UnsupportedEncodingException {
             if (location != StandardLocation.CLASS_OUTPUT)
                 throw new IllegalStateException();
             OutputStream out = getFileObjectForOutput(path).openOutputStream();
             return new BufferedOutputStream(out);
         }
         /**
          * Open an writer for the file, using the encoding (if any) given in the
          * doclet configuration.
          * The file must have been created with a location of
          * {@link StandardLocation#CLASS_OUTPUT} and a corresponding relative path.
          */
         public Writer openWriter() throws IOException, UnsupportedEncodingException {
             if (location != StandardLocation.CLASS_OUTPUT)
                 throw new IllegalStateException();
             OutputStream out = getFileObjectForOutput(path).openOutputStream();
             if (configuration.docencoding == null) {
                 return new BufferedWriter(new OutputStreamWriter(out));
             } else {
                 return new BufferedWriter(new OutputStreamWriter(out, configuration.docencoding));
             }
         }
         /** Return true if the file can be read. */
         public boolean canRead() {
             return Files.isReadable(file);
         }
         /** Return true if the file can be written. */
         public boolean canWrite() {
             return Files.isWritable(file);
         }
         /** Return true if the file exists. */
         public boolean exists() {
             return Files.exists(file);
         }
         /** Return the base name (last component) of the file name. */
         public String getName() {
             return file.getFileName().toString();
         }
         /** Return the file system path for this file. */
         public String getPath() {
             return file.toString();
         }
         /** Return true is file has an absolute path name. */
         public boolean isAbsolute() {
             return file.isAbsolute();
         }
         /** Return true is file identifies a directory. */
         public boolean isDirectory() {
             return Files.isDirectory(file);
         }
         /** Return true is file identifies a file. */
         public boolean isFile() {
             return Files.isRegularFile(file);
         }
         /** Return true if this file is the same as another. */
         public boolean isSameFile(DocFile other) {
             if (!(other instanceof StandardDocFile))
                 return false;
             try {
                 return Files.isSameFile(file, ((StandardDocFile) other).file);
             } catch (IOException e) {
                 return false;
             }
         }
         /** If the file is a directory, list its contents. */
         public Iterable<DocFile> list() throws IOException {
             List<DocFile> files = new ArrayList<DocFile>();
             for (Path f: Files.newDirectoryStream(file)) {
                 files.add(new StandardDocFile(f));
             }
             return files;
         }
         /** Create the file as a directory, including any parent directories. */
         public boolean mkdirs() {
             try {
                 Files.createDirectories(file);
                 return true;
             } catch (IOException e) {
                 return false;
             }
         }
         /**
          * Derive a new file by resolving a relative path against this file.
          * The new file will inherit the configuration and location of this file
          * If this file has a path set, the new file will have a corresponding
          * new path.
          */
         public DocFile resolve(DocPath p) {
             return resolve(p.getPath());
         }
         /**
          * Derive a new file by resolving a relative path against this file.
          * The new file will inherit the configuration and location of this file
          * If this file has a path set, the new file will have a corresponding
          * new path.
          */
         public DocFile resolve(String p) {
             if (location == null && path == null) {
                 return new StandardDocFile(file.resolve(p));
             } else {
                 return new StandardDocFile(location, path.resolve(p));
             }
         }
         /**
          * Resolve a relative file against the given output location.
          * @param locn Currently, only SOURCE_OUTPUT is supported.
          */
         public DocFile resolveAgainst(StandardLocation locn) {
             if (locn != StandardLocation.CLASS_OUTPUT)
                 throw new IllegalArgumentException();
             return new StandardDocFile(destDir.resolve(file));
         }
         /** Return a string to identify the contents of this object,
          * for debugging purposes.
          */
         @Override
         public String toString() {
             StringBuilder sb = new StringBuilder();
             sb.append("PathDocFile[");
             if (location != null)
                 sb.append("locn:").append(location).append(",");
             if (path != null)
                 sb.append("path:").append(path.getPath()).append(",");
             sb.append("file:").append(file);
             sb.append("]");
             return sb.toString();
         }
         private JavaFileObject getJavaFileObjectForInput(Path file) {
             return fileManager.getJavaFileObjects(file).iterator().next();
         }
         private FileObject getFileObjectForOutput(DocPath path) throws IOException {
             // break the path into a package-part and the rest, by finding
             // the position of the last '/' before an invalid character for a
             // package name, such as the "." before an extension or the "-"
             // in filenames like package-summary.html, doc-files or src-html.
             String p = path.getPath();
             int lastSep = -1;
             for (int i = 0; i < p.length(); i++) {
                 char ch = p.charAt(i);
                 if (ch == '/') {
                     lastSep = i;
                 } else if (i == lastSep + 1 && !Character.isJavaIdentifierStart(ch)
                         || !Character.isJavaIdentifierPart(ch)) {
                     break;
                 }
             }
             String pkg = (lastSep == -1) ? "" : p.substring(0, lastSep);
             String rest = p.substring(lastSep + 1);
             return fileManager.getFileForOutput(location, pkg, rest, null);
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/doclets/internal/toolkit/util/PathDocFileFactory.java@400a4e8accd3 (annotated)

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