net.mlw.vlh.web.ValueListHandlerTilesAction.java Source code

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Here is the source code for net.mlw.vlh.web.ValueListHandlerTilesAction.java

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/**
 * Copyright (c) 2003 held jointly by the individual authors.            
 *                                                                          
 * 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; with out 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.              
 *                                                                            
 * > http://www.gnu.org/copyleft/lesser.html                                  
 * > http://www.opensource.org/licenses/lgpl-license.php
 */
package net.mlw.vlh.web;

import java.io.IOException;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.mlw.vlh.ValueList;
import net.mlw.vlh.ValueListHandler;
import net.mlw.vlh.ValueListInfo;

import org.apache.struts.tiles.ComponentContext;
import org.apache.struts.tiles.ControllerSupport;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * @author Matthew L. Wilson
 * @version $Revision: 1.4 $ $Date: 2004/12/13 20:32:35 $
 */
public class ValueListHandlerTilesAction extends ControllerSupport {
    public static final String VALUE_LIST_NAME = "valueListName";
    public static final String VALUE_LIST_REQUEST_NAME = "valueListRequestName";

    /**
     * @see org.apache.struts.tiles.Controller#perform(org.apache.struts.tiles.ComponentContext, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)
     */
    public void perform(ComponentContext componentContext, HttpServletRequest request, HttpServletResponse response,
            ServletContext servletContext) throws ServletException, IOException {
        String name = (String) componentContext.getAttribute(VALUE_LIST_NAME);
        String requestName = (String) componentContext.getAttribute(VALUE_LIST_REQUEST_NAME);

        WebApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(servletContext);
        ValueListHandler vlh = (ValueListHandler) context.getBean("valueListHandler", ValueListHandler.class);

        ValueListInfo info = ValueListRequestUtil.buildValueListInfo(request);
        ValueList valueList = vlh.getValueList(name, info);

        request.setAttribute(requestName, valueList);
    }

}