/*
* 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.jclouds.docker.features.internal;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.Iterables.getLast;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import com.google.common.base.Splitter;
import com.google.common.io.Files;
public class Archives {
public static File tar(File baseDir, String archivePath) throws IOException {
return tar(baseDir, new File(archivePath));
}
public static File tar(File baseDir, File tarFile) throws IOException {
// Check that the directory is a directory, and get its contents
checkArgument(baseDir.isDirectory(), "%s is not a directory", baseDir);
File[] files = baseDir.listFiles();
String token = getLast(Splitter.on("/").split(baseDir.getAbsolutePath()));
TarArchiveOutputStream tos = new TarArchiveOutputStream(new FileOutputStream(tarFile));
tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
try {
for (File file : files) {
TarArchiveEntry tarEntry = new TarArchiveEntry(file);
tarEntry.setName("/" + getLast(Splitter.on(token).split(file.toString())));
tos.putArchiveEntry(tarEntry);
if (!file.isDirectory()) {
Files.asByteSource(file).copyTo(tos);
}
tos.closeArchiveEntry();
}
} finally {
tos.close();
}
return tarFile;
}
}