| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.ant.compress.util; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import org.apache.commons.compress.archivers.ArchiveEntry; |
| import org.apache.commons.compress.archivers.ArchiveInputStream; |
| import org.apache.commons.compress.archivers.ArchiveOutputStream; |
| import org.apache.commons.compress.archivers.sevenz.SevenZMethod; |
| import org.apache.commons.compress.archivers.sevenz.SevenZOutputFile; |
| import org.apache.commons.compress.archivers.sevenz.SevenZFile; |
| |
| /** |
| * @since Apache Compress Antlib 1.3 |
| */ |
| public class SevenZStreamFactory implements FileAwareArchiveStreamFactory { |
| |
| /** |
| * @param stream the stream to read from, should be buffered |
| * @param encoding the encoding of the entry names |
| */ |
| @Override |
| public ArchiveInputStream getArchiveStream(InputStream stream, |
| String encoding) |
| throws IOException { |
| throw new UnsupportedOperationException("only file-based archives can be read"); |
| } |
| |
| /** |
| * @param stream the stream to write to, should be buffered |
| * @param encoding the encoding of the entry names |
| */ |
| @Override |
| public ArchiveOutputStream getArchiveStream(OutputStream stream, |
| String encoding) |
| throws IOException { |
| throw new UnsupportedOperationException("only file-based archives can be written"); |
| } |
| |
| /** |
| * @param file the file to read from |
| * @param encoding the encoding of the entry names |
| */ |
| @Override |
| public ArchiveInputStream getArchiveInputStream(File file, |
| String encoding) |
| throws IOException { |
| return new SevenZArchiveInputStream(file); |
| } |
| |
| /** |
| * @param file the file to write to |
| * @param encoding the encoding of the entry names |
| */ |
| @Override |
| public ArchiveOutputStream getArchiveOutputStream(File file, |
| String encoding) |
| throws IOException { |
| return new SevenZArchiveOutputStream(file); |
| } |
| |
| /** |
| * Not really a stream but provides an ArchiveInputStream |
| * compatible interface over SevenZFile. |
| */ |
| private static class SevenZArchiveInputStream extends ArchiveInputStream { |
| |
| private final SevenZFile zipFile; |
| |
| public SevenZArchiveInputStream(File file) throws IOException { |
| zipFile = new SevenZFile(file); |
| } |
| |
| public ArchiveEntry getNextEntry() throws IOException { |
| return zipFile.getNextEntry(); |
| } |
| |
| public int read(byte[] b, int off, int len) throws IOException { |
| return zipFile.read(b, off, len); |
| } |
| |
| public void close() throws IOException { |
| zipFile.close(); |
| } |
| } |
| |
| /** |
| * Not really a stream but provides an ArchiveOutputStream |
| * compatible interface over SevenZOutputFile. |
| */ |
| public static class SevenZArchiveOutputStream extends ArchiveOutputStream { |
| |
| private final SevenZOutputFile zipFile; |
| |
| public SevenZArchiveOutputStream(File file) throws IOException { |
| zipFile = new SevenZOutputFile(file); |
| } |
| |
| public void close() throws IOException { |
| zipFile.close(); |
| } |
| |
| public void putArchiveEntry(ArchiveEntry entry) throws IOException { |
| zipFile.putArchiveEntry(entry); |
| } |
| |
| public void closeArchiveEntry() throws IOException { |
| zipFile.closeArchiveEntry(); |
| } |
| |
| public void finish() throws IOException { |
| zipFile.finish(); |
| } |
| |
| public ArchiveEntry createArchiveEntry(File inputFile, String entryName) |
| throws IOException { |
| return zipFile.createArchiveEntry(inputFile, entryName); |
| } |
| |
| public void write(byte[] b,int off, int len) throws IOException { |
| zipFile.write(b, off, len); |
| } |
| |
| public void setContentCompression(SevenZMethod method) { |
| zipFile.setContentCompression(method); |
| } |
| |
| public void setContentMethods(Iterable methods) { |
| zipFile.setContentMethods(methods); |
| } |
| |
| } |
| |
| } |