/**
* Execute a given HTTP request.
*
* @param ehough_shortstop_api_HttpRequest $request The HTTP request.
*
* @throws ehough_shortstop_api_exception_RuntimeException If something goes wrong.
*
* @return ehough_shortstop_api_HttpResponse The HTTP response.
*/
public final function execute(ehough_shortstop_api_HttpRequest $request)
{
/**
* Fire request event.
*/
$requestEvent = new ehough_tickertape_GenericEvent($request);
$this->_eventDispatcher->dispatch(ehough_shortstop_api_Events::REQUEST, $requestEvent);
/**
* Execute the chain.
*/
$chainContext = new ehough_chaingang_impl_StandardContext();
$chainContext->put('request', $request);
$result = $this->_executionChain->execute($chainContext);
if (!$result || !$chainContext->containsKey('response') || !$chainContext->get('response') instanceof ehough_shortstop_api_HttpResponse) {
throw new ehough_shortstop_api_exception_RuntimeException(sprintf('No HTTP transports could execute %s', $request));
}
/**
* Fire response event.
*/
$response = $chainContext->get('response');
$responseEvent = new ehough_tickertape_GenericEvent($response, array('request' => $requestEvent->getSubject()));
$this->_eventDispatcher->dispatch(ehough_shortstop_api_Events::RESPONSE, $responseEvent);
/**
* All done. Return the response.
*/
return $response;
}
private function _handleTransportException(Exception $e, ehough_shortstop_api_HttpRequest $request, ehough_chaingang_api_Context $context, $isDebugEnabled, ehough_epilog_psr_LoggerInterface $logger)
{
$this->_tearDown($request, true);
/**
* Fire an error event.
*/
$transportFailureEvent = new ehough_tickertape_GenericEvent($this, array('request' => $request, 'response' => $context->containsKey('response') ? $context->get('response') : null, 'exception' => $e, 'rethrow' => false, 'tryOtherTransports' => true));
$this->_eventDispatcher->dispatch(ehough_shortstop_api_Events::TRANSPORT_FAILURE, $transportFailureEvent);
if ($transportFailureEvent->getArgument('rethrow')) {
if ($isDebugEnabled) {
$logger->error(sprintf('Caught exception when handling %s (%s). Will re-throw.', $request, $e->getMessage()));
}
throw new ehough_shortstop_api_exception_RuntimeException($e->getMessage());
}
if ($transportFailureEvent->getArgument('tryOtherTransports')) {
if ($isDebugEnabled) {
$logger->debug('Transport failed, but trying the next...');
}
return false;
}
if ($isDebugEnabled) {
$logger->debug('Transport failed, and not trying any others...');
}
return true;
}
/**
* {@inheritdoc}
*/
public function hasListeners($eventName = null)
{
return $this->dispatcher->hasListeners($eventName);
}
