addsubjectservlet.java

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

/*
 * AddProjectServlet.java
 *
 * Created on October 18, 2006, 9:22 PM
 */

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;

/**
 *
 * @author Balasubramaniam
 * @version
 */
public class AddSubjectServlet extends HttpServlet {
    
    //String endpoint = "http://172.23.96.22:8180/axis/com/sixtwenty";
    String endpoint = "http://localhost:8080/axis/services/submit";
    
    public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws IOException, ServletException
    {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("GET Method is not used for add Subject service");
    }

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

           Service service = new Service();
           Call call = (Call)service.createCall();

           call.setTargetEndpointAddress( new java.net.URL(endpoint) );
           call.setOperationName(new QName("http://soapinterop.org/", "addSubject") );

           call.addParameter("name",
                             org.apache.axis.Constants.XSD_STRING,
                             javax.xml.rpc.ParameterMode.IN);
           
           call.addParameter("lecturerID",
                             org.apache.axis.Constants.XSD_STRING,
                             javax.xml.rpc.ParameterMode.IN);
           
           call.setReturnType(XMLType.XSD_STRING);

           call.invoke( new Object [] { name, lecturerID });
           
           String nextJSP = "/jsp/adminpage.jsp";
                  RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(nextJSP);
                 
                  dispatcher.forward(request, response);

           /*Condition to check if the operation was successful.*/
           
           
       } 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";
    }
}