code: @Nullable
    public static EHttpMethod getHttpMethod (@Nonnull final HttpServletRequest aHttpRequest)
    {
      ValueEnforcer.notNull (aHttpRequest, "HttpRequest");
  
      final String sMethod = aHttpRequest.getMethod ();
      return EHttpMethod.getFromNameOrNull (sMethod);
    }
docs: Get the HTTP method associated with the given HTTP request
  
  @param aHttpRequest
  The http request to query. May not be <code>null</code>.
  @return <code>null</code> if no supported HTTP method is contained