code: public static boolean isHttpGetRequest(HttpServletRequest request) {
          boolean isSane = isSaneRequest(request);
          boolean isGet = isSane && request.getMethod().equals(HttpMethod.GET.toString());
          return isSane && isGet;
      }
docs: Check if provided {@link HttpServletRequest} is a HTTP GET request
  
  @param request {@link HttpServletRequest} to check
  @return true if HTTP v, false otherwise