if (!mapSupportedAttributes.containsKey(pipRequestSupported)) {
this.logger.debug("Requested attribute '" + pipRequest.toString() + "' is not supported");
return StdPIPResponse.PIP_RESPONSE_EMPTY;
if (!mapSupportedAttributes.containsKey(pipRequestSupported)) {
this.logger.debug("Requested attribute '" + pipRequest.toString() + "' is not supported");
return StdPIPResponse.PIP_RESPONSE_EMPTY;