LoginServlet.java

package edu.hebtu.movingcampus.login.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.google.gson.Gson;

import edu.hebtu.movingcampus.login.dao.UserDao;
import edu.hebtu.movingcampus.login.entity.User;

/**
 * Servlet implementation class Student
 */
@WebServlet("/login")
public class LoginServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public LoginServlet() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		PrintWriter out = response.getWriter();
		HttpSession session = request.getSession();

		User user = new UserDao().findbyid((String) session.getAttribute("cid"));
		user.setCid((String) session.getAttribute("cid"));
		user.setJid(session.getId());
		String res = new Gson().toJson(user);

		out.printf(res);
		out.close();
	}


}