/**
* Factory method that creates an appropriate Exception object based on the
* Response's status code. The message is constructed here also.
*
* @param \OpenStack\Common\Transport\RequestInterface $request The failed request
* @param \OpenStack\Common\Transport\ResponseInterface $response The API's response
* @return self
*/
public static function create(RequestInterface $request, ResponseInterface $response)
{
$label = 'A HTTP error occurred';
$status = $response->getStatusCode();
$exceptions = [401 => 'UnauthorizedException', 403 => 'ForbiddenException', 404 => 'ResourceNotFoundException', 405 => 'MethodNotAllowedException', 409 => 'ConflictException', 411 => 'LengthRequiredException', 422 => 'UnprocessableEntityException', 500 => 'ServerException'];
$message = sprintf("%s\n[Status] %s (%s)\n[URL] %s\n[Message] %s\n", $label, (string) $request->getUrl(), $status, $response->getReasonPhrase(), (string) $response->getBody());
// Find custom exception class or use default
$exceptionClass = isset($exceptions[$status]) ? sprintf("%s\\%s", __NAMESPACE__, $exceptions[$status]) : __CLASS__;
return new $exceptionClass($message, $request, $response);
}
/**
* @inheritDoc
* @param \OpenStack\Common\Transport\RequestInterface $adapter
* @return \OpenStack\Common\Transport\ResponseInterface
* @throws \OpenStack\Common\Transport\Exception\RequestException
* @throws \GuzzleHttp\Exception\RequestException
*/
public function send(RequestInterface $adapter)
{
try {
$guzzleResponse = $this->client->send($adapter->getMessage());
return new ResponseAdapter($guzzleResponse);
} catch (GuzzleRequestException $e) {
// In order to satisfy {@see GuzzleHttp\ClientInterface}, Guzzle
// wraps all exceptions in its own RequestException class. This is
// not useful for our end-users, so we need to make sure our own
// versions are returned (Guzzle buffers them).
$previous = $e->getPrevious();
if ($previous instanceof Exception\RequestException) {
throw $previous;
}
throw $e;
}
}
