showtopicaction.java

基于struct结构的jsp

package com.ntsky.bbs.action;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import org.apache.log4j.Logger ;

import com.ntsky.bbs.action.Constant;
import com.ntsky.bbs.service.User;
import com.ntsky.bbs.service.Topic;
import com.ntsky.bbs.service.TopicUtil;
import com.ntsky.bbs.service.BoardFilter;
import com.ntsky.bbs.service.UserFilter;

/**
 * <p>Title: Ntsky OpenSource BBS</p>
 * <p>Description: 显示主题内容</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: WWW.FM880.COM</p>
 * @author 姚君林
 * @version 1.0
 */

public class ShowTopicAction extends Action {
    private final static Logger logger = Logger.getLogger(ShowTopicAction.class);
    public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception{
        /**@todo: complete the business logic here, this is just a skeleton.*/
        logger.info("显示主题内容......");
        String action = httpServletRequest.getParameter("action");
        //用户创建主题返回
        if("show".equals(action)){
            return actionMapping.findForward("continue");
        }
        HttpSession session = httpServletRequest.getSession();

        logger.info("开始权限设置......");
        /**
         * 用户权限
         */
        UserFilter.getInstance().filterUser(session,httpServletRequest);
        String rightStr = BoardFilter.getInstance().filterBoard(httpServletRequest,httpServletResponse,session);
        session.setAttribute("rightStr",rightStr);

        /**
         * 有主题id获得值
         */
        String topicId = httpServletRequest.getParameter("topicId");
        logger.info("显示的主题 ID = " + topicId);
        if((User)session.getAttribute(Constant.USER_KEY)==null){
            String uri = httpServletRequest.getRequestURI();
            session.setAttribute(Constant.URI,uri+"?topicId="+topicId);
            logger.info("uri = " + uri+"?topicId="+topicId);
        }

        Topic topic = TopicUtil.listTopic(Integer.parseInt(topicId));
        httpServletRequest.setAttribute("topic",topic);
        httpServletRequest.setAttribute("boaId",String.valueOf(topic.getTopicBoaId()));
        logger.info("设置值成功返回....");
        return actionMapping.findForward("continue");
        //throw new java.lang.UnsupportedOperationException("Method perform() not yet implemented.");
    }
}