/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* 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.pentaho.di.core.compress.gzip;
import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.GZIPOutputStream;
import java.util.zip.ZipOutputStream;
import org.pentaho.di.core.compress.CompressionOutputStream;
import org.pentaho.di.core.compress.CompressionProvider;
public class GZIPCompressionOutputStream extends CompressionOutputStream {
public GZIPCompressionOutputStream( OutputStream out, CompressionProvider provider ) throws IOException {
super( getDelegate( out ), provider );
}
protected static GZIPOutputStream getDelegate( OutputStream out ) throws IOException {
GZIPOutputStream delegate = null;
if ( out instanceof ZipOutputStream ) {
delegate = (GZIPOutputStream) out;
} else {
delegate = new GZIPOutputStream( out );
}
return delegate;
}
@Override
public void close() throws IOException {
GZIPOutputStream zos = (GZIPOutputStream) delegate;
zos.close();
}
}