/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.governors;
import java.util.ArrayList;
import java.util.List;
import net.sf.jasperreports.engine.JRAbstractScriptlet;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.scriptlets.ScriptletFactory;
import net.sf.jasperreports.engine.scriptlets.ScriptletFactoryContext;
import net.sf.jasperreports.engine.util.JRClassLoader;
import net.sf.jasperreports.engine.util.JRProperties;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: GovernorFactory.java 3687 2010-04-06 09:50:42Z shertage $
*/
public final class GovernorFactory implements ScriptletFactory
{
private static final GovernorFactory INSTANCE = new GovernorFactory();
private GovernorFactory()
{
}
/**
*
*/
public static GovernorFactory getInstance()
{
return INSTANCE;
}
/**
*
*/
public List getScriplets(ScriptletFactoryContext context) throws JRException
{
List scriptlets = new ArrayList();
boolean maxPagesEnabled = JRProperties.getBooleanProperty(context.getDataset(), MaxPagesGovernor.PROPERTY_MAX_PAGES_ENABLED, true);
if (maxPagesEnabled)
{
int maxPages = JRProperties.getIntegerProperty(context.getDataset(), MaxPagesGovernor.PROPERTY_MAX_PAGES, 0);
if (maxPages > 0)
{
scriptlets.add(new MaxPagesGovernor(maxPages));
}
}
boolean timeoutEnabled = JRProperties.getBooleanProperty(context.getDataset(), TimeoutGovernor.PROPERTY_TIMEOUT_ENABLED, true);
if (timeoutEnabled)
{
long timeout = JRProperties.getLongProperty(context.getDataset(), TimeoutGovernor.PROPERTY_TIMEOUT, 0);
if (timeout > 0)
{
scriptlets.add(new TimeoutGovernor(timeout));
}
}
return scriptlets;
}
/**
*
*/
protected JRAbstractScriptlet getScriptlet(String scriptletClassName) throws JRException
{
JRAbstractScriptlet scriptlet = null;
try
{
Class scriptletClass = JRClassLoader.loadClassForName(scriptletClassName);
scriptlet = (JRAbstractScriptlet) scriptletClass.newInstance();
}
catch (ClassNotFoundException e)
{
throw new JRException("Error loading scriptlet class : " + scriptletClassName, e);
}
catch (Exception e)
{
throw new JRException("Error creating scriptlet class instance : " + scriptletClassName, e);
}
return scriptlet;
}
}