Java tutorial
/** * myJerry | Evenstar * Copyright (C) 2010 myJerry Development Team * http://www.myjerry.org * * The file is licensed under the 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.myjerry.evenstar.web.controller; import javax.servlet.RequestDispatcher; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.myjerry.evenstar.model.BlogPost; import org.myjerry.evenstar.service.BlogPostService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.SimpleFormController; public class PageNotFoundController extends SimpleFormController { @Autowired private BlogPostService blogPostService; @Override public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception { // extract the request URI // and check to see if this is a blog page URL // if yes - go ahead and display the page String uri = request.getRequestURI(); BlogPost post = this.blogPostService.getPostForURI(uri); if (post != null) { RequestDispatcher dispatcher = request.getRequestDispatcher( "/viewPost.html?postID=" + post.getPostID() + "&blogID=" + post.getBlogID()); dispatcher.forward(request, response); return null; } ModelAndView mav = new ModelAndView(); mav.setViewName(".page.not.found"); return mav; } /** * @return the blogPostService */ public BlogPostService getBlogPostService() { return blogPostService; } /** * @param blogPostService the blogPostService to set */ public void setBlogPostService(BlogPostService blogPostService) { this.blogPostService = blogPostService; } }