public function oAuthRequest($url, $method, $parameters)
    {
        if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) {
            $url = self::API_ENTRY_POINT.$url;
        }

        $request = OAuth\Request::from_consumer_and_token($this->getConsumerKey(), $this->getCurrentOAuthToken(), $method, $url, $parameters);
        $request->sign_request($this->sha1_method, $this->getConsumerKey(), $this->getCurrentOAuthToken());
        switch ($method) {
            case 'GET':
                return $this->http($request->to_url(), 'GET');
            default:
                return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata());
        }
    }