listofprojectsservlet.java.svn-base

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

/*
 * ListOfProjectsServlet.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.Submit;
import com.sixtwenty.SubmitServiceLocator;

import com.sixtwenty.*;

/**
 * This servlet is used to get the list of projects 
 * @author grp-e
 *
 */
public class ListOfProjectsServlet extends HttpServlet {

	//String endpoint = "http://172.23.96.22:8180/axis/services/submit";
	String endpoint = "http://localhost:8080/axis/services/submit";

	/**
	 * Handles the get request
	 * @param request
	 * @param response
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws IOException, ServletException
	{
		doPost(request, response);
	}


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

		try {

			Projects[] projects = null;

			String username = (String)request.getSession().getAttribute("username");
			String status = "O";

			//Instantiate the SubmitServiceLocator
			SubmitServiceLocator ssl = new SubmitServiceLocator();
			Submit submit = ssl.getsubmit();

			//call to remote method getProjectUser
			projects = submit.getProjectUser(username, status);

			if(projects.length != 0) {
				System.out.println("List of Projects returned");
			}
			else {
				System.out.println("No Project found");
			}

			//Forwarding to next jsp
			String nextJSP = "/jsp/listofprojects.jsp";
			RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(nextJSP);

			//set the list of projects in session
			request.getSession().setAttribute("projects", projects);
			dispatcher.forward(request, response);

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

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