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// Copyright 2013 Google Inc. All Rights Reserved.
//
// Licensed 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 com.google.gerrit.server.change;
import java.io.Closeable;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.commons.compress.archivers.ArchiveOutputStream;
import org.eclipse.jgit.api.ArchiveCommand;
import org.eclipse.jgit.api.ArchiveCommand.Format;
import org.eclipse.jgit.archive.TarFormat;
import org.eclipse.jgit.archive.Tbz2Format;
import org.eclipse.jgit.archive.TgzFormat;
import org.eclipse.jgit.archive.TxzFormat;
import org.eclipse.jgit.archive.ZipFormat;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectLoader;
public enum ArchiveFormat {
TGZ("application/x-gzip", new TgzFormat()),
TAR("application/x-tar", new TarFormat()),
TBZ2("application/x-bzip2", new Tbz2Format()),
TXZ("application/x-xz", new TxzFormat()),
ZIP("application/x-zip", new ZipFormat());
@SuppressWarnings("ImmutableEnumChecker") // ArchiveCommand.Format is effectively immutable.
private final ArchiveCommand.Format<?> format;
private final String mimeType;
ArchiveFormat(String mimeType, ArchiveCommand.Format<?> format) {
this.format = format;
this.mimeType = mimeType;
ArchiveCommand.registerFormat(name(), format);
}
public String getShortName() {
return name().toLowerCase();
}
public String getMimeType() {
return mimeType;
}
public String getDefaultSuffix() {
return getSuffixes().iterator().next();
}
public Iterable<String> getSuffixes() {
return format.suffixes();
}
public ArchiveOutputStream createArchiveOutputStream(OutputStream o) throws IOException {
return (ArchiveOutputStream) this.format.createArchiveOutputStream(o);
}
public <T extends Closeable> void putEntry(T out, String path, byte[] data) throws IOException {
@SuppressWarnings("unchecked")
ArchiveCommand.Format<T> fmt = (Format<T>) format;
fmt.putEntry(
out,
null,
path,
FileMode.REGULAR_FILE,
new ObjectLoader.SmallObject(FileMode.TYPE_FILE, data));
}
}