selectmsgidservlet.java

oa办公系统

package cn.jx.ecjtu.oa.servlets.msg;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import cn.jx.ecjtu.oa.common.Constant;
import cn.jx.ecjtu.oa.ps.pojo.LoginUser;
import cn.jx.ecjtu.oa.ps.pojo.Message;
import cn.jx.ecjtu.oa.services.MessageService;
import cn.jx.ecjtu.oa.services.Result;
import cn.jx.ecjtu.oa.services.ResultType;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.UserInSession;

public class SelectMsgIdServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public SelectMsgIdServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		    doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session=request.getSession();
		PrintWriter out=response.getWriter();
		UserInSession user=(UserInSession)session.getAttribute(Constant.USER_IN_SESSION);
		if(user != null){
			Result result= service.getNewAccMsg(user.getId());
			if(result.getRet()==ResultType.RET_SUCCESS){
				Message msg=(Message)result.getAttribute("message");
				out.print(msg.getMsgId());
				out.print(","+result.getAttribute("msgNum"));
			}
			else{
				out.print("0,0");
			}
		}
		else{
			out.print("0,0");
		}
	}
	private MessageService service;
	public void init() throws ServletException {
		service=(MessageService)ServiceFactory.getService(MessageService.class);
	}

}