protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
              try {
        String origin = request.getParameter("origin");
        HttpSession session = request.getSession();

        //Object us = request.getSession().getAttribute("username");

        //String username = request.getParameter("username");
        //String password = request.getParameter("password");

        User user;
        String UserName, UserPassword, UserRole;
        //int UserRole = null;

        switch(origin) {
            case "Login":
                session = request.getSession();
                UserName = request.getParameter("username");
                UserPassword = request.getParameter("password");
                UserRole = request.getParameter("UserRole");

                user = um2.validateRole(UserName, UserPassword, UserRole);

                if(user == null) {
                    response.sendRedirect("NotLogin.jsp");
                } else if (user != null && UserRole == "1") {
                    session.setAttribute("username", user);
                    response.sendRedirect("Test.jsp");
                } else if (user != null && UserRole == "2")
                    session.setAttribute("username", user);
                    response.sendRedirect("CustomerLogin.jsp");
                break;
        }