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.blog; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.myjerry.evenstar.model.Comment; import org.myjerry.evenstar.service.CommentService; import org.myjerry.util.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.multiaction.MultiActionController; public class DeleteCommentController extends MultiActionController { @Autowired private CommentService commentService; public ModelAndView view(HttpServletRequest request, HttpServletResponse response) throws Exception { ModelAndView mav = new ModelAndView(); String postID = request.getParameter("postID"); String blogID = request.getParameter("blogID"); String commentID = request.getParameter("commentID"); Comment comment = this.commentService.getComment(StringUtils.getLong(commentID), StringUtils.getLong(postID), StringUtils.getLong(blogID)); mav.addObject("postID", postID); mav.addObject("blogID", blogID); mav.addObject("commentID", commentID); mav.addObject("comment", comment); mav.setViewName(".delete.comment"); return mav; } public ModelAndView deleteComment(HttpServletRequest request, HttpServletResponse response) throws Exception { ModelAndView mav = new ModelAndView(); String postID = request.getParameter("postID"); String blogID = request.getParameter("blogID"); String commentID = request.getParameter("commentID"); String postURL = request.getParameter("postURL"); boolean result = this.commentService.deleteComment(StringUtils.getLong(commentID), StringUtils.getLong(postID), StringUtils.getLong(blogID)); if (!result) { mav = view(request, response); } else { mav.addObject("postURL", "/index.html"); } mav.addObject("postURL", postURL); mav.addObject("result", new Boolean(result)); mav.setViewName(".delete.comment"); return mav; } /** * @return the commentService */ public CommentService getCommentService() { return commentService; } /** * @param commentService the commentService to set */ public void setCommentService(CommentService commentService) { this.commentService = commentService; } }