content->activity); } public function convertJson($requestParam) { $ret = json_decode($requestParam, true); if ($ret == $requestParam) { throw new \Exception("Mallformed activity json string"); } return $ret; } public function convertXml($requestParam) { $xml = InputBasicXmlConverter::loadString($requestParam); return InputBasicXmlConverter::convertActivities($xml, $xml->activity); } }