org.codehaus.plexus.archiver.xz.XZUnArchiver Maven / Gradle / Ivy
/*
* Copyright 2016 Codehaus.
*
* 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 org.codehaus.plexus.archiver.xz;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import javax.annotation.Nonnull;
import org.apache.commons.compress.compressors.xz.XZCompressorInputStream;
import org.codehaus.plexus.archiver.AbstractUnArchiver;
import org.codehaus.plexus.archiver.ArchiverException;
import static org.codehaus.plexus.archiver.util.Streams.bufferedInputStream;
import static org.codehaus.plexus.archiver.util.Streams.bufferedOutputStream;
import static org.codehaus.plexus.archiver.util.Streams.copyFully;
import static org.codehaus.plexus.archiver.util.Streams.fileInputStream;
import static org.codehaus.plexus.archiver.util.Streams.fileOutputStream;
/**
* @author philip.lourandos
* @since 3.3
*/
public class XZUnArchiver extends AbstractUnArchiver
{
private static final String OPERATION_XZ = "xz";
public XZUnArchiver()
{
}
public XZUnArchiver( File source )
{
super( source );
}
@Override
protected void execute() throws ArchiverException
{
if ( getSourceFile().lastModified() > getDestFile().lastModified() )
{
getLogger().info( "Expanding " + getSourceFile().getAbsolutePath() + " to "
+ getDestFile().getAbsolutePath() );
copyFully( getXZInputStream( bufferedInputStream( fileInputStream( getSourceFile(), OPERATION_XZ ) ) ),
bufferedOutputStream( fileOutputStream( getDestFile(), OPERATION_XZ ) ), OPERATION_XZ );
}
}
public static @Nonnull
XZCompressorInputStream getXZInputStream( InputStream in )
throws ArchiverException
{
try
{
return new XZCompressorInputStream( in );
}
catch ( IOException ioe )
{
throw new ArchiverException( "Trouble creating BZIP2 compressor, invalid file ?", ioe );
}
}
@Override
protected void execute( String path, File outputDirectory ) throws ArchiverException
{
throw new UnsupportedOperationException( "Targeted execution not supported in xz format" );
}
}