private boolean isHandlerRequest(final HttpServletRequest request){
  String apiHandlerValue=request.getParameter(PATH_API);
  return PATH_HANDLER.equals(apiHandlerValue) && retrieveCacheKey(request) != null;
}

private boolean isHandlerRequest ( final HttpServletRequest request ) { String apiHandlerValue = request . getParameter ( PATH_API ) ; return PATH_HANDLER . equals ( apiHandlerValue ) && retrieveCacheKey ( request ) != null ; }
checks if the provided url is a resource proxy request .
