boardaction.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 java.util.*;

import com.ntsky.bbs.service.Board;
import com.ntsky.bbs.action.Constant;
import com.ntsky.bbs.service.db.DBBoard;
import com.ntsky.xml.bbs.BoardXML;
import com.ntsky.xml.bbs.XMLCreator;
import com.ntsky.bbs.form.BoardActionForm;
import com.ntsky.bbs.service.BoardFactory;
import com.ntsky.xml.bbs.JavaScriptXML;
import com.ntsky.bbs.service.User;
import com.ntsky.bbs.service.Proxy;
import com.ntsky.bbs.service.UserProxy;
import com.ntsky.bbs.service.UserFactory;

/**
 * <p>Title: Ntsky OpenSource BBS</p>
 * <p>Description: 版块信息</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: WWW.FM880.COM</p>
 * @author 姚君林
 * @version 1.0
 */

public class BoardAction extends Action {
    private final static Logger logger = Logger.getLogger(BoardAction.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.*/
        HttpSession session = httpServletRequest.getSession();
        XMLCreator xmlCreator = XMLCreator.getInstance();
        JavaScriptXML jsXML = xmlCreator.getJavaScriptXML();

        BoardXML boardXML = xmlCreator.getBoardXML();
        String action = httpServletRequest.getParameter("action");
        logger.info("action 的值为 : " + action);
        Board board = new DBBoard();
        /**
         * boaId(修改删除用)
         */
        int boaId = 0;
        String tempBoaId = httpServletRequest.getParameter("boaId");
        if(tempBoaId != null){
            boaId = Integer.parseInt(tempBoaId);
        }
        BoardActionForm boardActionForm = new BoardActionForm();
        httpServletRequest.setAttribute(actionMapping.getAttribute(), boardActionForm);
        BoardFactory factory = BoardFactory.getInstance();
        /**
         * 设置显示值
         */
        Collection colBoaState = board.colBoaState();
        httpServletRequest.setAttribute("colBoaState",colBoaState);
        httpServletRequest.setAttribute("boaParId",factory.getBorParENUM());
        httpServletRequest.setAttribute("showBoaInfo",factory.showBoaInfo());

        boardActionForm.setAction(action);
        /**
         * 前台显示页面
         */
        if((Constant.POSITION).equals(action)){
            Iterator iterator = factory.getPageBoardInfo(0);
            session.setAttribute("boaType", iterator);
            logger.info("成功返回到index模板页面.....");
            return actionMapping.findForward("page");
        }
        // session判断
        String admin = (String)session.getAttribute(Constant.ADMIN_KEY);
        if(admin == null){
            httpServletRequest.setAttribute("javascript",jsXML.getJsInfo(1));
            return actionMapping.findForward("admin_logon");
        }

        /**
         * 添加
         */
        if((Constant.CREATE).equals(action)){
            boardActionForm.setBoaId(Integer.parseInt(factory.getMaxBoardId()));
            return actionMapping.findForward("continue");
        }
        /**
         * 修改情况
         */
        if((Constant.EDIT).equals(action)){
            //列出模板的数据
            Board editBoard = factory.showBoaInfo(boaId);
            boardActionForm.setBoaId(editBoard.getBoaId());
            boardActionForm.setBoaParId(editBoard.getBoaParId());
            boardActionForm.setBoaInfo(editBoard.getBoaInfo());
            boardActionForm.setBoaMaster(editBoard.getBoaMaster());
            boardActionForm.setBoaState(editBoard.getBoaState());
            boardActionForm.setBoaType(editBoard.getBoaType());
            boardActionForm.setBoaPasswd(editBoard.getBoaPasswd());
            return actionMapping.findForward("continue");
        }
        /**
         * 删除情况
         */
        if((Constant.DELETE).equals(action)){
            //权限
            User user = UserFactory.getInstance().userInfo(admin);
            String usrRole = user.getUsrRole();
            Proxy proxy = new UserProxy();
            if(!proxy.isAction(usrRole,3)){
                httpServletRequest.setAttribute("javascript",jsXML.getJsInfo(2));
                return actionMapping.findForward("admin_logon");
            }
            if(!(factory.delBoard(boaId))){
                //打映出此节点有下属节点no
                logger.info("存在下属节点......");
                ActionMessages messages = new ActionMessages();
                ActionMessage message = new ActionMessage(
                    "message.board.error.isNextBoard");
                messages.add(ActionMessages.GLOBAL_MESSAGE, message);
                saveMessages(httpServletRequest, messages);
                return actionMapping.findForward("delete");
            }
            else{
                //写XML
                Iterator iterator = factory.exportXMLInfo();
                boardXML.writeXML(iterator);
                return actionMapping.findForward("delete");
            }
        }
        return actionMapping.findForward("continue");
    }
}