/*==========================================================================*\
| $Id: ExcelReportSaver.java,v 1.1 2010/05/11 14:51:48 aallowat Exp $
|*-------------------------------------------------------------------------*|
| Copyright (C) 2006-2009 Virginia Tech
|
| This file is part of Web-CAT.
|
| Web-CAT is free software; you can redistribute it and/or modify
| it under the terms of the GNU Affero General Public License as published
| by the Free Software Foundation; either version 3 of the License, or
| (at your option) any later version.
|
| Web-CAT 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.
|
| You should have received a copy of the GNU Affero General Public License
| along with Web-CAT; if not, see <http://www.gnu.org/licenses/>.
\*==========================================================================*/
package org.webcat.reporter;
import org.eclipse.birt.report.engine.api.IRenderTask;
import org.eclipse.birt.report.engine.api.RenderOption;
import org.webcat.core.DeliverFile;
import org.webcat.core.NSMutableDataOutputStream;
//-------------------------------------------------------------------------
/**
* Renders and saves a generated report in Microsoft Excel format.
*
* @author Tony Allevato
* @version $Id: ExcelReportSaver.java,v 1.1 2010/05/11 14:51:48 aallowat Exp $
*/
public class ExcelReportSaver extends AbstractReportSaver
{
//~ Constructors ..........................................................
// ----------------------------------------------------------
/**
* Initializes a new instance of the Excel report saver.
*
* @param report the generated report to be saved
*/
public ExcelReportSaver(GeneratedReport report)
{
super(report);
}
//~ Methods ...............................................................
// ----------------------------------------------------------
/**
* Saves the rendered report to the specified DeliverFile component, which
* the caller will return back to the user.
*
* @param file the DeliverFile component to save the file into
* @return a Throwable if an error occurred (which the caller should
* display to the user), or null if the operation was successful
*/
public Throwable deliverTo(DeliverFile file)
{
try
{
NSMutableDataOutputStream outputStream =
new NSMutableDataOutputStream();
RenderOption option = new RenderOption();
option.setOutputFormat("XLS");
option.setOutputStream(outputStream);
IRenderTask task = reportEngine().createRenderTask(
reportDocument());
task.setRenderOption(option);
org.mozilla.javascript.Context.enter();
task.render();
org.mozilla.javascript.Context.exit();
outputStream.close();
close();
file.setFileData(outputStream.data());
file.setContentType("application/msexcel");
file.setStartDownload(true);
file.setDeliveredName(generatedReport().description() + ".xls");
}
catch (Exception e)
{
return e;
}
return null;
}
}