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/*
* Copyright (C) 2013 Google Inc. and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
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 java.util.Map;
import org.apache.commons.compress.archivers.ArchiveOutputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.compressors.bzip2.BZip2CompressorOutputStream;
import org.eclipse.jgit.api.ArchiveCommand;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectLoader;
/**
* bzip2-compressed tarball (tar.bz2) format.
*/
public final class Tbz2Format extends BaseFormat
implements ArchiveCommand.Format<ArchiveOutputStream<TarArchiveEntry>> {
private static final List<String> SUFFIXES = Collections
.unmodifiableList(Arrays.asList(".tar.bz2", ".tbz", ".tbz2")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
private final ArchiveCommand.Format<ArchiveOutputStream<TarArchiveEntry>> tarFormat = new TarFormat();
@Override
public ArchiveOutputStream createArchiveOutputStream(OutputStream s)
throws IOException {
return createArchiveOutputStream(s,
Collections.<String, Object> emptyMap());
}
@Override
public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
Map<String, Object> o) throws IOException {
BZip2CompressorOutputStream out;
int compressionLevel = getCompressionLevel(o);
if (compressionLevel != -1) {
out = new BZip2CompressorOutputStream(s, compressionLevel);
} else {
out = new BZip2CompressorOutputStream(s);
}
return tarFormat.createArchiveOutputStream(out, o);
}
@Override
public void putEntry(ArchiveOutputStream<TarArchiveEntry> out,
ObjectId tree, String path, FileMode mode, ObjectLoader loader)
throws IOException {
tarFormat.putEntry(out, tree, path, mode, loader);
}
@Override
public Iterable<String> suffixes() {
return SUFFIXES;
}
@Override
public boolean equals(Object other) {
return (other instanceof Tbz2Format);
}
@Override
public int hashCode() {
return getClass().hashCode();
}
}
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