presendmsgservlet.java

oa办公系统

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

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

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.services.MessageService;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.SysUserService;
import cn.jx.ecjtu.oa.services.UserInSession;

public class PreSendMsgServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public PreSendMsgServlet() {
		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 {
		PrintWriter out=response.getWriter();
		HttpSession session=request.getSession();
		UserInSession u = (UserInSession) session.getAttribute(Constant.USER_IN_SESSION);
		String sId=request.getParameter("toId");
		String msgInfo=request.getParameter("msgInfo");
		String sMsgId=request.getParameter("setread");
		if(sMsgId!=null){
			try{
				int msgId=Integer.parseInt(sMsgId);
				msgService.readMsg(u.getId(), msgId);
			}catch(Exception e){
				out.print("置为已读失败！");
			}
		}
		if(msgInfo!=null){
			request.setAttribute("msgInfo", msgInfo);
		}
		if(sId==null ||"".equals(sId.trim())){// 接收方空,不能发送
			request.getRequestDispatcher("send.jsp").forward(request, response);
		}
		else{
			String[] sIds=sId.split(",");
			List<Integer> accIds=new ArrayList<Integer>();
			for(int i=0;i<sIds.length;i++){
				try{
					if(sIds[i].length()>0)	
						{
							accIds.add(Integer.parseInt(sIds[i]));
						}
				}catch(Exception e){}
				//names[i]=userService.getLoginUserInfo(accIds[i]);
			}
			List<LoginUser> users=userService.getUsersByIds(accIds);
			StringBuffer toNames=new StringBuffer();
			StringBuffer toIds=new StringBuffer();
			for(LoginUser user:users){
				toNames.append(user.getRealName());
				toNames.append(",");
				toIds.append(user.getId());
				toIds.append(",");
			}
			request.setAttribute("toIds", toIds.toString());
			request.setAttribute("toNames", toNames.toString());
			request.getRequestDispatcher("send.jsp").forward(request, response);
		}		
	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occure
	 */
	private MessageService msgService;
	private SysUserService userService;
	public void init() throws ServletException {
		msgService = (MessageService) ServiceFactory
		.getService(MessageService.class);
		userService = (SysUserService) ServiceFactory
		.getService(SysUserService.class);
	}

}