LoginServlet

package controller;

import java.io.IOException;
import javax.servlet.RequestDispatcher;
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 model.LoggedUser;
import model.Users;

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

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

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    	// TODO Auto-generated method stub
    	super.doGet(req, resp);
    }

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

		String username, password;

		// get username and password
		username = request.getParameter("username");
		password = request.getParameter("password");
		System.out.println(username);
		System.out.println(password);

		Users.getUserFromDataBase();

		// based on the result, redirect the user
		if (Users.userExists(username, password)) {

			LoggedUser.setUsername(username);
			LoggedUser.setPassword(password);

			RequestDispatcher success = request.getRequestDispatcher("view/game.jsp");
			success.forward(request, response);

		} else {
			RequestDispatcher failure = request.getRequestDispatcher("view/login.jsp");
			failure.forward(request, response);
		}
	}
}