/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2016 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.platform.plugin.output;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
import org.pentaho.reporting.engine.classic.core.modules.output.fast.validator.ReportStructureValidator;
import org.pentaho.reporting.engine.classic.core.modules.output.fast.xls.FastExcelExportProcessor;
import org.pentaho.reporting.libraries.repository.ContentIOException;
import org.pentaho.reporting.platform.plugin.async.IAsyncReportListener;
import org.pentaho.reporting.platform.plugin.async.ReportListenerThreadHolder;
import java.io.IOException;
import java.io.OutputStream;
public class FastXLSXOutput extends XLSXOutput {
private ProxyOutputStream proxyOutputStream;
public FastXLSXOutput() {
proxyOutputStream = new ProxyOutputStream();
}
public int generate( final MasterReport report,
final int acceptedPage,
final OutputStream outputStream,
final int yieldRate ) throws ReportProcessingException, IOException {
proxyOutputStream.setParent( outputStream );
final IAsyncReportListener listener = ReportListenerThreadHolder.getListener();
ReportStructureValidator validator = new ReportStructureValidator();
if ( validator.isValidForFastProcessing( report ) == false ) {
return super.generate( report, acceptedPage, outputStream, yieldRate );
}
final FastExcelExportProcessor reportProcessor = new FastExcelExportProcessor( report, outputStream, true );
doProcess( listener, reportProcessor );
outputStream.flush();
return 0;
}
public int paginate( final MasterReport report,
final int yieldRate ) throws ReportProcessingException, IOException, ContentIOException {
return 0;
}
public void close() {
}
public boolean supportsPagination() {
return false;
}
public Object getReportLock() {
return this;
}
}