protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String method = request.getParameter("method");
		if(method.equals("addUI")){
			addUI(request, response);
		}else if(method.equals("listallbooks")){
			listallbooks(request, response);
		}else if(method.equalsIgnoreCase("add")){
			add(request, response);
		}
	}