/*
* 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 2006 - 2009 Pentaho Corporation. All rights reserved.
*
*/
package org.pentaho.platform.plugin.action.jfreereport.outputs;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.pentaho.platform.plugin.action.jfreereport.AbstractJFreeReportComponent;
import org.pentaho.platform.plugin.action.messages.Messages;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
import org.pentaho.reporting.engine.classic.core.layout.output.YieldReportListener;
import org.pentaho.reporting.engine.classic.core.modules.output.table.base.FlowReportProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.table.xls.FlowExcelOutputProcessor;
/**
* Creation-Date: 07.07.2006, 20:42:17
*
* @author Thomas Morgner
*/
public class JFreeReportExcelComponent extends AbstractGenerateStreamContentComponent {
private static final long serialVersionUID = -2130145967763406737L;
public JFreeReportExcelComponent() {
}
@Override
protected String getMimeType() {
return "application/vnd.ms-excel"; //$NON-NLS-1$
}
@Override
protected String getExtension() {
return ".xls"; //$NON-NLS-1$
}
@Override
protected boolean performExport(final MasterReport report, final OutputStream outputStream) {
try {
final FlowExcelOutputProcessor target = new FlowExcelOutputProcessor(report.getConfiguration(), outputStream, report.getResourceManager());
final FlowReportProcessor reportProcessor = new FlowReportProcessor(report, target);
if (isDefinedInput(AbstractJFreeReportComponent.WORKBOOK_PARAM)) {
try {
final InputStream inputStream = getInputStream(AbstractJFreeReportComponent.WORKBOOK_PARAM);
target.setTemplateInputStream(inputStream);
} catch (Exception e) {
error(Messages.getInstance().getString("JFreeReportExcelComponent.ERROR_0037_ERROR_READING_REPORT_INPUT"), e); //$NON-NLS-1$
return false;
}
}
final int yieldRate = getYieldRate();
if (yieldRate > 0) {
reportProcessor.addReportProgressListener(new YieldReportListener(yieldRate));
}
reportProcessor.processReport();
reportProcessor.close();
outputStream.flush();
close();
return true;
} catch (ReportProcessingException e) {
return false;
} catch (IOException e) {
return false;
}
}
}