jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/file/ZipFileIndexArchive.java@aa67a5da66e3 (annotated)

src/share/classes/com/sun/tools/javac/file/ZipFileIndexArchive.java@aa67a5da66e3 (annotated)

src/share/classes/com/sun/tools/javac/file/ZipFileIndexArchive.java

Wed, 18 Jun 2008 07:23:25 -0700

author: jjg
date: Wed, 18 Jun 2008 07:23:25 -0700
changeset 57: aa67a5da66e3
child 103: e571266ae14f
permissions: -rw-r--r--

6714365: refactor JavacFileManager to move nested classes to top level
Reviewed-by: mcimadamore

 /*
  * Copyright 2005-2008 Sun Microsystems, Inc.  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.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 package com.sun.tools.javac.file;
 import java.io.IOException;
 import java.util.Set;
 import javax.tools.JavaFileObject;
 import com.sun.tools.javac.file.JavacFileManager.Archive;
 import com.sun.tools.javac.util.List;
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.Writer;
 import java.net.URI;
 import java.nio.ByteBuffer;
 import java.nio.CharBuffer;
 import java.nio.charset.CharsetDecoder;
 public class ZipFileIndexArchive implements Archive {
     private final ZipFileIndex zfIndex;
     private JavacFileManager fileManager;
     public ZipFileIndexArchive(JavacFileManager fileManager, ZipFileIndex zdir) throws IOException {
         super();
         this.fileManager = fileManager;
         this.zfIndex = zdir;
     }
     public boolean contains(String name) {
         return zfIndex.contains(name);
     }
     public List<String> getFiles(String subdirectory) {
         return zfIndex.getFiles((subdirectory.endsWith("/") || subdirectory.endsWith("\\")) ? subdirectory.substring(0, subdirectory.length() - 1) : subdirectory);
     }
     public JavaFileObject getFileObject(String subdirectory, String file) {
         String fullZipFileName = subdirectory + file;
         ZipFileIndex.Entry entry = zfIndex.getZipIndexEntry(fullZipFileName);
         JavaFileObject ret = new ZipFileIndexFileObject(fileManager, zfIndex, entry, zfIndex.getZipFile().getPath());
         return ret;
     }
     public Set<String> getSubdirectories() {
         return zfIndex.getAllDirectories();
     }
     public void close() throws IOException {
         zfIndex.close();
     }
     /**
      * A subclass of JavaFileObject representing zip entries using the com.sun.tools.javac.file.ZipFileIndex implementation.
      */
     public static class ZipFileIndexFileObject extends BaseFileObject {
         /** The entry's name.
          */
         private String name;
         /** The zipfile containing the entry.
          */
         ZipFileIndex zfIndex;
         /** The underlying zip entry object.
          */
         ZipFileIndex.Entry entry;
         /** The InputStream for this zip entry (file.)
          */
         InputStream inputStream = null;
         /** The name of the zip file where this entry resides.
          */
         String zipName;
         ZipFileIndexFileObject(JavacFileManager fileManager, ZipFileIndex zfIndex, ZipFileIndex.Entry entry, String zipFileName) {
             super(fileManager);
             this.name = entry.getFileName();
             this.zfIndex = zfIndex;
             this.entry = entry;
             this.zipName = zipFileName;
         }
         public InputStream openInputStream() throws IOException {
             if (inputStream == null) {
                 inputStream = new ByteArrayInputStream(read());
             }
             return inputStream;
         }
         protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) {
             return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors);
         }
         public OutputStream openOutputStream() throws IOException {
             throw new UnsupportedOperationException();
         }
         public Writer openWriter() throws IOException {
             throw new UnsupportedOperationException();
         }
         /** @deprecated see bug 6410637 */
         @Deprecated
         public String getName() {
             return name;
         }
         public boolean isNameCompatible(String cn, JavaFileObject.Kind k) {
             cn.getClass(); // null check
             if (k == Kind.OTHER && getKind() != k)
                 return false;
             return name.equals(cn + k.extension);
         }
         /** @deprecated see bug 6410637 */
         @Deprecated
         public String getPath() {
             return zipName + "(" + entry.getName() + ")";
         }
         public long getLastModified() {
             return entry.getLastModified();
         }
         public boolean delete() {
             throw new UnsupportedOperationException();
         }
         @Override
         public boolean equals(Object other) {
             if (!(other instanceof ZipFileIndexFileObject))
                 return false;
             ZipFileIndexFileObject o = (ZipFileIndexFileObject) other;
             return entry.equals(o.entry);
         }
         @Override
         public int hashCode() {
             return zipName.hashCode() + (name.hashCode() << 10);
         }
         public String getZipName() {
             return zipName;
         }
         public String getZipEntryName() {
             return entry.getName();
         }
         public URI toUri() {
             String zipName = new File(getZipName()).toURI().normalize().getPath();
             String entryName = getZipEntryName();
             if (File.separatorChar != '/') {
                 entryName = entryName.replace(File.separatorChar, '/');
             }
             return URI.create("jar:" + zipName + "!" + entryName);
         }
         private byte[] read() throws IOException {
             if (entry == null) {
                 entry = zfIndex.getZipIndexEntry(name);
                 if (entry == null)
                   throw new FileNotFoundException();
             }
             return zfIndex.read(entry);
         }
         public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException {
             CharBuffer cb = fileManager.getCachedContent(this);
             if (cb == null) {
                 InputStream in = new ByteArrayInputStream(zfIndex.read(entry));
                 try {
                     ByteBuffer bb = fileManager.makeByteBuffer(in);
                     JavaFileObject prev = fileManager.log.useSource(this);
                     try {
                         cb = fileManager.decode(bb, ignoreEncodingErrors);
                     } finally {
                         fileManager.log.useSource(prev);
                     }
                     fileManager.recycleByteBuffer(bb); // save for next time
                     if (!ignoreEncodingErrors)
                         fileManager.cache(this, cb);
                 } finally {
                     in.close();
                 }
             }
             return cb;
         }
         @Override
         protected String inferBinaryName(Iterable<? extends File> path) {
             String entryName = getZipEntryName();
             if (zfIndex.symbolFilePrefix != null) {
                 String prefix = zfIndex.symbolFilePrefix;
                 if (entryName.startsWith(prefix))
                     entryName = entryName.substring(prefix.length());
             }
             return removeExtension(entryName).replace(File.separatorChar, '.');
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javac/file/ZipFileIndexArchive.java@aa67a5da66e3 (annotated)

src/share/classes/com/sun/tools/javac/file/ZipFileIndexArchive.java