pretongxuntreesservlet.java

oa办公系统

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

import java.io.IOException;
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.ps.pojo.Group;
import cn.jx.ecjtu.oa.common.Constant;
import cn.jx.ecjtu.oa.services.GroupService;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.UserInSession;

public class PreTongxunTreesServlet extends HttpServlet {


	/**
	 * todo:个人通讯录树Servlet
	 * @author 谢睿文
	 * @version $Revision: 1.2 $
	 * @since 1.0
	 */
	/**
	 * Constructor of the object.
	 */
	public PreTongxunTreesServlet() {
		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();
		UserInSession user1 = (UserInSession) session.getAttribute(Constant.USER_IN_SESSION);
		int user_id = 0;
		if (user1 != null) {user_id = user1.getId();}
		List<Group> list=this.groupservice.listGroup(user_id);
		request.setAttribute("groups", list);
		request.getRequestDispatcher("trees.jsp").forward(
				request, response);
	}

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

}