Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/engine/fill/JRResourcesFillUtil.java
/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * JasperReports - Free Java report-generating library.
 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
 * 
 * This library 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 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 * 
 * JasperSoft Corporation
 * 303 Second Street, Suite 450 North
 * San Francisco, CA 94107
 * http://www.jaspersoft.com
 */
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,v 1.1 2008/09/29 16:20:01 guehene Exp $
 * @see JRResourcesUtil
 */
public 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 this.classLoader;
		}
		
		public void setClassLoader(ClassLoader classLoader)
		{
			this.classLoader = classLoader;
		}
		
		public URLStreamHandlerFactory getUrlHandlerFactory()
		{
			return this.urlHandlerFactory;
		}
		
		public void setUrlHandlerFactory(URLStreamHandlerFactory urlHandlerFactory)
		{
			this.urlHandlerFactory = urlHandlerFactory;
		}
		
		public FileResolver getFileResolver()
		{
			return this.fileResolver;
		}
		
		public void setFileResolver(FileResolver fileResolver)
		{
			this.fileResolver = fileResolver;
		}
		
	}
	
}
