public static function factory(RequestInterface $request, Response $response)
    {
        if ($response->isClientError()) {
            $label = 'Client error response';
            $class = __NAMESPACE__ . '\\ClientErrorResponseException';
        } elseif ($response->isServerError()) {
            $label = 'Server error response';
            $class = __NAMESPACE__ . '\\ServerErrorResponseException';
        } else {
            $label = 'Unsuccessful response';
            $class = __CLASS__;
        }

        $message = $label . PHP_EOL . implode(PHP_EOL, array(
            '[status code] ' . $response->getStatusCode(),
            '[reason phrase] ' . $response->getReasonPhrase(),
            '[url] ' . $request->getUrl(),
        ));

        $e = new $class($message);
        $e->setResponse($response);
        $e->setRequest($request);

        return $e;
    }