jjg@57: /*
jjg@816: * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
jjg@57: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@57: *
jjg@57: * This code is free software; you can redistribute it and/or modify it
jjg@57: * under the terms of the GNU General Public License version 2 only, as
ohair@554: * published by the Free Software Foundation. Oracle designates this
jjg@57: * particular file as subject to the "Classpath" exception as provided
ohair@554: * by Oracle in the LICENSE file that accompanied this code.
jjg@57: *
jjg@57: * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@57: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@57: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@57: * version 2 for more details (a copy is included in the LICENSE file that
jjg@57: * accompanied this code).
jjg@57: *
jjg@57: * You should have received a copy of the GNU General Public License version
jjg@57: * 2 along with this work; if not, write to the Free Software Foundation,
jjg@57: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@57: *
ohair@554: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554: * or visit www.oracle.com if you need additional information or have any
ohair@554: * questions.
jjg@57: */
jjg@57:
jjg@57: package com.sun.tools.javac.file;
jjg@57:
jjg@57: import java.io.IOException;
jjg@57: import java.util.Set;
jjg@57: import javax.tools.JavaFileObject;
jjg@57:
jjg@57: import java.io.ByteArrayInputStream;
jjg@57: import java.io.File;
jjg@57: import java.io.InputStream;
jjg@57: import java.io.OutputStream;
jjg@57: import java.io.Writer;
jjg@57: import java.net.URI;
jjg@57: import java.nio.ByteBuffer;
jjg@57: import java.nio.CharBuffer;
jjg@57: import java.nio.charset.CharsetDecoder;
jjg@57:
jjg@103: import com.sun.tools.javac.file.JavacFileManager.Archive;
jjg@103: import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
jjg@103: import com.sun.tools.javac.file.RelativePath.RelativeFile;
jjg@816: import com.sun.tools.javac.util.Assert;
jjg@103: import com.sun.tools.javac.util.List;
jjg@103:
jjg@333: /**
jjg@581: *
This is NOT part of any supported API.
jjg@333: * If you write code that depends on this, you do so at your own risk.
jjg@333: * This code and its internal interfaces are subject to change or
jjg@333: * deletion without notice.
jjg@333: */
jjg@57: public class ZipFileIndexArchive implements Archive {
jjg@57:
jjg@57: private final ZipFileIndex zfIndex;
jjg@57: private JavacFileManager fileManager;
jjg@57:
jjg@57: public ZipFileIndexArchive(JavacFileManager fileManager, ZipFileIndex zdir) throws IOException {
jjg@57: super();
jjg@57: this.fileManager = fileManager;
jjg@57: this.zfIndex = zdir;
jjg@57: }
jjg@57:
jjg@103: public boolean contains(RelativePath name) {
jjg@57: return zfIndex.contains(name);
jjg@57: }
jjg@57:
jjg@103: public List getFiles(RelativeDirectory subdirectory) {
jjg@103: return zfIndex.getFiles(subdirectory);
jjg@57: }
jjg@57:
jjg@103: public JavaFileObject getFileObject(RelativeDirectory subdirectory, String file) {
jjg@103: RelativeFile fullZipFileName = new RelativeFile(subdirectory, file);
jjg@57: ZipFileIndex.Entry entry = zfIndex.getZipIndexEntry(fullZipFileName);
jjg@400: JavaFileObject ret = new ZipFileIndexFileObject(fileManager, zfIndex, entry, zfIndex.getZipFile());
jjg@57: return ret;
jjg@57: }
jjg@57:
jjg@103: public Set getSubdirectories() {
jjg@57: return zfIndex.getAllDirectories();
jjg@57: }
jjg@57:
jjg@57: public void close() throws IOException {
jjg@57: zfIndex.close();
jjg@57: }
jjg@57:
jjg@400: @Override
jjg@103: public String toString() {
jjg@103: return "ZipFileIndexArchive[" + zfIndex + "]";
jjg@103: }
jjg@103:
jjg@57: /**
jjg@57: * A subclass of JavaFileObject representing zip entries using the com.sun.tools.javac.file.ZipFileIndex implementation.
jjg@57: */
jjg@57: public static class ZipFileIndexFileObject extends BaseFileObject {
jjg@57:
jjg@57: /** The entry's name.
jjg@57: */
jjg@57: private String name;
jjg@57:
jjg@57: /** The zipfile containing the entry.
jjg@57: */
jjg@57: ZipFileIndex zfIndex;
jjg@57:
jjg@57: /** The underlying zip entry object.
jjg@57: */
jjg@57: ZipFileIndex.Entry entry;
jjg@57:
jjg@57: /** The InputStream for this zip entry (file.)
jjg@57: */
jjg@57: InputStream inputStream = null;
jjg@57:
jjg@57: /** The name of the zip file where this entry resides.
jjg@57: */
jjg@400: File zipName;
jjg@57:
jjg@57:
jjg@400: ZipFileIndexFileObject(JavacFileManager fileManager, ZipFileIndex zfIndex, ZipFileIndex.Entry entry, File zipFileName) {
jjg@57: super(fileManager);
jjg@57: this.name = entry.getFileName();
jjg@57: this.zfIndex = zfIndex;
jjg@57: this.entry = entry;
jjg@57: this.zipName = zipFileName;
jjg@57: }
jjg@57:
jjg@415: @Override
jjg@415: public URI toUri() {
jjg@415: return createJarUri(zipName, getPrefixedEntryName());
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@415: public String getName() {
jjg@415: return zipName + "(" + getPrefixedEntryName() + ")";
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@415: public String getShortName() {
jjg@415: return zipName.getName() + "(" + entry.getName() + ")";
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@415: public JavaFileObject.Kind getKind() {
jjg@415: return getKind(entry.getName());
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@57: public InputStream openInputStream() throws IOException {
jjg@57: if (inputStream == null) {
jjg@816: Assert.checkNonNull(entry); // see constructor
jjg@415: inputStream = new ByteArrayInputStream(zfIndex.read(entry));
jjg@57: }
jjg@57: return inputStream;
jjg@57: }
jjg@57:
jjg@400: @Override
jjg@57: public OutputStream openOutputStream() throws IOException {
jjg@57: throw new UnsupportedOperationException();
jjg@57: }
jjg@57:
jjg@400: @Override
jjg@57: public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException {
jjg@57: CharBuffer cb = fileManager.getCachedContent(this);
jjg@57: if (cb == null) {
jjg@57: InputStream in = new ByteArrayInputStream(zfIndex.read(entry));
jjg@57: try {
jjg@57: ByteBuffer bb = fileManager.makeByteBuffer(in);
jjg@57: JavaFileObject prev = fileManager.log.useSource(this);
jjg@57: try {
jjg@57: cb = fileManager.decode(bb, ignoreEncodingErrors);
jjg@57: } finally {
jjg@57: fileManager.log.useSource(prev);
jjg@57: }
jjg@57: fileManager.recycleByteBuffer(bb); // save for next time
jjg@57: if (!ignoreEncodingErrors)
jjg@57: fileManager.cache(this, cb);
jjg@57: } finally {
jjg@57: in.close();
jjg@57: }
jjg@57: }
jjg@57: return cb;
jjg@57: }
jjg@57:
jjg@57: @Override
jjg@415: public Writer openWriter() throws IOException {
jjg@415: throw new UnsupportedOperationException();
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@415: public long getLastModified() {
jjg@415: return entry.getLastModified();
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@415: public boolean delete() {
jjg@415: throw new UnsupportedOperationException();
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@415: protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) {
jjg@415: return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors);
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@57: protected String inferBinaryName(Iterable extends File> path) {
jjg@415: String entryName = entry.getName();
jjg@57: if (zfIndex.symbolFilePrefix != null) {
jjg@103: String prefix = zfIndex.symbolFilePrefix.path;
jjg@57: if (entryName.startsWith(prefix))
jjg@57: entryName = entryName.substring(prefix.length());
jjg@57: }
jjg@103: return removeExtension(entryName).replace('/', '.');
jjg@57: }
jjg@415:
jjg@415: @Override
jjg@415: public boolean isNameCompatible(String cn, JavaFileObject.Kind k) {
jjg@415: cn.getClass(); // null check
jjg@415: if (k == Kind.OTHER && getKind() != k)
jjg@415: return false;
jjg@415: return name.equals(cn + k.extension);
jjg@415: }
jjg@415:
jjg@424: /**
jjg@424: * Check if two file objects are equal.
jjg@424: * Two ZipFileIndexFileObjects are equal if the absolute paths of the underlying
jjg@424: * zip files are equal and if the paths within those zip files are equal.
jjg@424: */
jjg@415: @Override
jjg@415: public boolean equals(Object other) {
jjg@424: if (this == other)
jjg@424: return true;
jjg@424:
jjg@415: if (!(other instanceof ZipFileIndexFileObject))
jjg@415: return false;
jjg@424:
jjg@415: ZipFileIndexFileObject o = (ZipFileIndexFileObject) other;
jjg@424: return zfIndex.getAbsoluteFile().equals(o.zfIndex.getAbsoluteFile())
jjg@424: && name.equals(o.name);
jjg@415: }
jjg@415:
jjg@415: @Override
jjg@415: public int hashCode() {
jjg@424: return zfIndex.getAbsoluteFile().hashCode() + name.hashCode();
jjg@415: }
jjg@415:
jjg@415: private String getPrefixedEntryName() {
jjg@415: if (zfIndex.symbolFilePrefix != null)
jjg@415: return zfIndex.symbolFilePrefix.path + entry.getName();
jjg@415: else
jjg@415: return entry.getName();
jjg@415: }
jjg@57: }
jjg@57:
jjg@57: }