/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License, version 2 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*
* Copyright 2006 - 2016 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.reporting.platform.plugin.staging;
import org.pentaho.platform.api.engine.IPentahoSession;
import org.pentaho.reporting.engine.classic.core.util.StagingMode;
import java.io.IOException;
import java.io.OutputStream;
public abstract class AbstractStagingHandler implements StagingHandler {
protected OutputStream outputStream;
protected IPentahoSession userSession;
public AbstractStagingHandler( final OutputStream outputStream, final IPentahoSession userSession ) throws IOException {
this.outputStream = outputStream;
this.userSession = userSession;
initialize();
}
// factory method
public static StagingHandler getStagingHandlerImpl( final OutputStream outputStream, final IPentahoSession userSession, final StagingMode mode )
throws IOException {
// so sad that StagingMode is not enum...
if ( mode.equals( StagingMode.THRU ) ) {
return new ThruStagingHandler( outputStream, userSession );
} else if ( mode.equals( StagingMode.TMPFILE ) ) {
return new TempFileStagingHandler( outputStream, userSession );
} else if ( mode.equals( StagingMode.MEMORY ) ) {
return new MemStagingHandler( outputStream, userSession );
} else {
return new ThruStagingHandler( outputStream, userSession );
}
}
protected abstract void initialize() throws IOException;
}