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/*******************************************************************************
* Copyright (c) 2008 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Doug Schaefer - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.p2.internal.repo.artifact;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
import org.apache.tools.bzip2.CBZip2InputStream;
import org.apache.tools.tar.TarEntry;
import org.apache.tools.tar.TarInputStream;
/**
* @author DSchaefe
*
*/
public class TarExtractor extends Thread {
private final InputStream in;
private final File installDir;
private final FileListWriter fileListWriter;
private final String compression;
public TarExtractor(InputStream in, File installDir, FileListWriter fileListWriter, String compression) {
this.in = in;
this.installDir = installDir;
this.fileListWriter = fileListWriter;
this.compression = compression;
}
@Override
public void run() {
try {
InputStream compIn;
if (InstallArtifactRepository.GZIP_COMPRESSION.equals(compression))
compIn = new GZIPInputStream(in);
else if (InstallArtifactRepository.BZIP2_COMPRESSION.equals(compression)) {
// Skip the magic bytes first
in.read(new byte[2]);
compIn = new CBZip2InputStream(in);
} else {
// No idea
return;
}
TarInputStream tarIn = new TarInputStream(compIn);
for (TarEntry tarEntry = tarIn.getNextEntry(); tarEntry != null; tarEntry = tarIn.getNextEntry()) {
File outFile = new File(installDir, tarEntry.getName());
if (tarEntry.isDirectory()) {
outFile.mkdirs();
} else {
if (outFile.exists())
outFile.delete();
else
outFile.getParentFile().mkdirs();
FileOutputStream outStream = new FileOutputStream(outFile);
tarIn.copyEntryContents(outStream);
outStream.close();
long lastModified = tarEntry.getModTime().getTime();
outFile.setLastModified(lastModified);
fileListWriter.addFile(new InstalledFile(outFile, lastModified));
}
}
tarIn.close();
fileListWriter.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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