/*
* 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) 2006 - 2009 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.demo.util;
import java.net.URL;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
/**
* The AbstractXmlDemoHandler helps to simplify demo reports which read their report definition from an XML file.
*
* @author Thomas Morgner
*/
public abstract class AbstractXmlDemoHandler extends AbstractDemoHandler
implements XmlDemoHandler
{
public AbstractXmlDemoHandler()
{
}
protected MasterReport parseReport() throws ReportDefinitionException
{
final URL in = getReportDefinitionSource();
if (in == null)
{
throw new ReportDefinitionException("ReportDefinition Source is invalid");
}
try
{
ResourceManager manager = new ResourceManager();
manager.registerDefaults();
Resource res = manager.createDirectly(in, MasterReport.class);
return (MasterReport) res.getResource();
}
catch (Exception e)
{
throw new ReportDefinitionException("Parsing failed", e);
}
}
public PreviewHandler getPreviewHandler()
{
return new DefaultPreviewHandler(this);
}
}