addsubjectuserservlet.java

远程学生作业提交系统,所用技术JSP,Servelet,Ajax,Web Services,MySql

/*
 * AddStudentUserServlet.java
 *
 *
 */

package com.sixtwenty.servlet;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.axis.encoding.XMLType;

import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;

import com.sixtwenty.*;


public class AddSubjectUserServlet extends HttpServlet {
    String endpoint = "http://localhost:8080/axis/services/submit";

    public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws IOException, ServletException
    {
	    doPost(request, response);
    }


    public void doPost(HttpServletRequest request, HttpServletResponse response)
    throws IOException, ServletException {
       response.setContentType("text/html");
       PrintWriter out = response.getWriter ();

       try {
           Submit submit = null;

           try {
               SubmitServiceLocator ssl = new SubmitServiceLocator();
               submit = ssl.getsubmit();
           } catch(Exception e) {
               throw new ServletException(e.toString());
           }

           String action = new String(request.getParameter("action"));

           if (action.equals("subjectuser")) {
               Subjects[] listOfSubjects = null;
               listOfSubjects = submit.getSubjectList();
               request.getSession().setAttribute("listsubjects", listOfSubjects);

               Users[] listOfUsers = null;
               listOfUsers = submit.getUserList("student");
               request.getSession().setAttribute("liststudents", listOfUsers);

               RequestDispatcher requestDispatcher = getServletContext().getRequestDispatcher("/jsp/addsubjectuser.jsp");
               requestDispatcher.forward(request, response);
               return;
           }

           if (action.equals("addsubjectuser")) {
               //throw new ServletException("test");
               String studentId = new String(request.getParameter("studentId"));
               String subjId = new String(request.getParameter("subjId"));

               submit.setUserSubject(studentId, subjId);

               RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/jsp/adminpage.jsp");
               dispatcher.forward(request, response);
               return;
           }

       } catch (Exception e) {
           out.println(e.toString());
       }
   }

   /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "This servlet is invoked to add project";
    }
}