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package org.codehaus.plexus.archiver.tar;

import org.codehaus.plexus.archiver.util.Streams;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;


/**
 * Extension of {@link TarFile} for gzip compressed files.
 */
public class GZipTarFile
    extends TarFile
{
    /**
     * Creates a new instance with the given file.
     */
    public GZipTarFile( File file )
    {
        super( file );
    }

    protected InputStream getInputStream( File file )
        throws IOException
    {
        final InputStream inputStream = super.getInputStream( file );
        return Streams.bufferedInputStream( new GZIPInputStream( inputStream )
        {
            public void close()
                throws IOException
            {
                super.close();
                inputStream.close();
            }
        } );
    }
}