predepttreeservlet.java

oa办公系统

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

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.Dept;
import cn.jx.ecjtu.oa.ps.pojo.Manager;
import cn.jx.ecjtu.oa.services.DeptService;
import cn.jx.ecjtu.oa.services.Node;
import cn.jx.ecjtu.oa.services.RootNode;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.UserInSession;

public class PreDeptTreeServlet extends HttpServlet {

	/**
	 * 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 {
		Node node = new Node();
		node = deptService.getRootNode();
		RootNode rootNode=(RootNode)deptService.getRootNode();
		String forward = "dept_info.jsp";
		String operate = request.getParameter("oper");
		if (operate != null && operate.equalsIgnoreCase("select")) {
			if (node.getValue() != null) {
				if (node.getChildren().size() != 0 || rootNode.getBadChildren().size()!=0) {
					HttpSession session=request.getSession();
					UserInSession user=(UserInSession)session.getAttribute(Constant.USER_IN_SESSION);
					int role=0;
					role=user.getRole().getId();
					boolean forbidden=role==2;
					request.setAttribute("forbidden", forbidden);
					Dept deptInfo=null;
					if(node.getChildren().size()==0){
						deptInfo = (Dept) rootNode.getBadChildren().get(0).getValue();
					}
					else{
						deptInfo = (Dept) node.getChildren().get(0).getValue();
					}
					request.setAttribute("DeptInfo", deptInfo);
					List<Manager> managers=new ArrayList<Manager>();
					managers=this.deptService.getManagers();
					String managerName=""; 
					for(int i=0;i<managers.size();i++){
						if(managers.get(i).getDept_id()==deptInfo.getDept_id()) {
							managerName=managers.get(i).getUser_name();
							if(managerName==null){
								managerName="无";
							}
						}
					}
					request.setAttribute("managerName", managerName);

				} else {
					forward = "nodept.jsp";
				}
			} else {
				forward = "nocompany.jsp";
			}

		}

		request.setAttribute("depts", node);
		request.getRequestDispatcher(forward).forward(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occure
	 */
	private DeptService deptService;

	public void init() throws ServletException {
		this.deptService = (DeptService) ServiceFactory
				.getService(DeptService.class);
	}

}