/*
* 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.engine.fill;
import java.net.URLStreamHandlerFactory;
import java.util.Map;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.util.FileResolver;
import net.sf.jasperreports.engine.util.JRResourcesUtil;
/**
* Resources utility class used for report fills.
*
* @author Lucian Chirita (lucianc@users.sourceforge.net)
* @version $Id: JRResourcesFillUtil.java 3713 2010-04-08 11:06:05Z teodord $
* @see JRResourcesUtil
*/
public final class JRResourcesFillUtil
{
public static ResourcesFillContext setResourcesFillContext(Map parameterValues)
{
ResourcesFillContext context = new ResourcesFillContext();
ClassLoader classLoader = (ClassLoader) parameterValues.get(
JRParameter.REPORT_CLASS_LOADER);
if (classLoader != null)
{
JRResourcesUtil.setThreadClassLoader(classLoader);
context.setClassLoader(classLoader);
}
URLStreamHandlerFactory urlHandlerFactory = (URLStreamHandlerFactory)
parameterValues.get(JRParameter.REPORT_URL_HANDLER_FACTORY);
if (urlHandlerFactory != null)
{
JRResourcesUtil.setThreadURLHandlerFactory(urlHandlerFactory);
context.setUrlHandlerFactory(urlHandlerFactory);
}
FileResolver fileResolver = (FileResolver) parameterValues.get(
JRParameter.REPORT_FILE_RESOLVER);
if (fileResolver != null)
{
JRResourcesUtil.setThreadFileResolver(fileResolver);
context.setFileResolver(fileResolver);
}
return context;
}
public static void revertResourcesFillContext(ResourcesFillContext context)
{
if (context.getClassLoader() != null)
{
JRResourcesUtil.resetClassLoader();
}
if (context.getUrlHandlerFactory() != null)
{
JRResourcesUtil.resetThreadURLHandlerFactory();
}
if (context.getFileResolver() != null)
{
JRResourcesUtil.resetThreadFileResolver();
}
}
public static class ResourcesFillContext
{
protected ClassLoader classLoader;
protected URLStreamHandlerFactory urlHandlerFactory;
protected FileResolver fileResolver;
public ClassLoader getClassLoader()
{
return classLoader;
}
public void setClassLoader(ClassLoader classLoader)
{
this.classLoader = classLoader;
}
public URLStreamHandlerFactory getUrlHandlerFactory()
{
return urlHandlerFactory;
}
public void setUrlHandlerFactory(URLStreamHandlerFactory urlHandlerFactory)
{
this.urlHandlerFactory = urlHandlerFactory;
}
public FileResolver getFileResolver()
{
return fileResolver;
}
public void setFileResolver(FileResolver fileResolver)
{
this.fileResolver = fileResolver;
}
}
private JRResourcesFillUtil()
{
}
}