protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
		UserService userService = UserServiceFactory.getUserService();
		User user = userService.getCurrentUser();
		UserModel usermod = null;
		if(user!=null) {
			usermod = DataStore.getUser(user.getUserId());
			if(usermod==null) {
				usermod = new UserModel(user.getUserId(),user.getNickname(),user.getEmail());
				DataStore.storeUser(usermod);
			}
		}		
		response.sendRedirect("/");
	}