| /* |
| * Copyright 2004-2005 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.tiles; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.RequestDispatcher; |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| /** |
| * Tiles controller including a local URL. |
| * @author Cedric Dumoulin |
| */ |
| |
| public class UrlController implements Controller { |
| |
| /** Url associated with this controller. */ |
| protected String url; |
| |
| /** |
| * Constructor. |
| * @param url URL. |
| */ |
| public UrlController( String url ) { |
| this.url=url; |
| } |
| |
| /** |
| * Method associated to a tile and called immediately before the tile is included. |
| * This implementation calls a Struts Action. No servlet is set by this method. |
| * |
| * @param tileContext Current tile context. |
| * @param request Current request. |
| * @param response Current response. |
| * @param servletContext Current servlet context. |
| */ |
| public void perform(ComponentContext tileContext, |
| HttpServletRequest request, HttpServletResponse response, |
| ServletContext servletContext) |
| throws ServletException, IOException { |
| RequestDispatcher rd = servletContext.getRequestDispatcher( url ); |
| if( rd == null ) |
| throw new ServletException( "Controller can't find url '" + url + "'." ); |
| |
| rd.include( request, response ); |
| } |
| } |