/*
* Eoulsan development code
*
* This code may be freely distributed and modified under the
* terms of the GNU Lesser General Public License version 2.1 or
* later and CeCILL-C. This should be distributed with the code.
* If you do not have a copy, see:
*
* http://www.gnu.org/licenses/lgpl-2.1.txt
* http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.txt
*
* Copyright for this code is held jointly by the Genomic platform
* of the Institut de Biologie de l'École normale supérieure and
* the individual authors. These should be listed in @author doc
* comments.
*
* For more information on the Eoulsan project and its aims,
* or to join the Eoulsan Google group, visit the home page
* at:
*
* http://outils.genomique.biologie.ens.fr/eoulsan
*
*/
package fr.ens.biologie.genomique.eoulsan.io;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.hadoop.io.compress.BZip2Codec;
/**
* This class allow to create input and output stream for compression codec of
* Hadoop.
* @author Laurent Jourdren
* @since 2.0
*/
public class HadoopCompressionCodecs {
//
// InputStreams
//
/**
* Create a bzip2 input stream.
* @param is input stream
* @return an uncompressed input stream
* @throws IOException if an error occurs while creating the input stream
*/
public static InputStream createBZip2InputStream(final InputStream is)
throws IOException {
return new BZip2Codec().createInputStream(is);
}
//
// OutputStreams
//
/**
* Create a bzip2 output stream.
* @param os the output stream to compress
* @return a compressed output stream
* @throws IOException if an error occurs while creating the output stream
*/
public static OutputStream createBZip2OutputStream(final OutputStream os)
throws IOException {
return new BZip2Codec().createOutputStream(os);
}
}