/*
* Copyright (C) 2013 Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.archive;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.commons.compress.archivers.ArchiveOutputStream;
import org.apache.commons.compress.compressors.xz.XZCompressorOutputStream;
import org.eclipse.jgit.api.ArchiveCommand;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectLoader;
/**
* Xz-compressed tar (tar.xz) format.
*/
public final class TxzFormat implements ArchiveCommand.Format<ArchiveOutputStream> {
private static final List<String> SUFFIXES = Collections
.unmodifiableList(Arrays.asList(".tar.xz", ".txz")); //$NON-NLS-1$ //$NON-NLS-2$
private final ArchiveCommand.Format<ArchiveOutputStream> tarFormat = new TarFormat();
public ArchiveOutputStream createArchiveOutputStream(OutputStream s)
throws IOException {
XZCompressorOutputStream out = new XZCompressorOutputStream(s);
return tarFormat.createArchiveOutputStream(out);
}
public void putEntry(ArchiveOutputStream out,
String path, FileMode mode, ObjectLoader loader)
throws IOException {
tarFormat.putEntry(out, path, mode, loader);
}
public Iterable<String> suffixes() {
return SUFFIXES;
}
@Override
public boolean equals(Object other) {
return (other instanceof TxzFormat);
}
@Override
public int hashCode() {
return getClass().hashCode();
}
}