protected function getFeedXml()
    {
        $client = $this->curlFactory->create();
        $client->setConfig($this->getCurlConfig());

        $client->write(\Zend_Http_Client::GET, self::ENDPOINT, '1.0');

        $response = $client->read();
        $client->close();

        if (false !== $response) {
            $data = preg_split('/^\r?$/m', $response, 2);

            try {
                $xml = new \SimpleXMLElement(trim($data[1]));
            } catch (\Exception $e) {
                return false;
            }

            return $xml;
        }

        return false;
    }