public function handle(Request $request)
{
try {
$requestEvent = new RequestResponseEvent();
$requestEvent->setRequest($request);
$this->container->getEventDispatcher()->dispatch(KernelEvent::REQUEST, $requestEvent);
//here event can be overridden by any listener, so check if we have event
if ($requestEvent->hasResponse()) {
return $requestEvent->getResponse();
}
if ($request->attributes->has('_controller') && $request->attributes->has('_action')) {
$controllerName = $request->attributes->get('_controller');
$action = $request->attributes->get('_action');
$controllerObject = new $controllerName();
$controllerObject->setContainer($this->container);
$response = $controllerObject->{$action}($request);
} else {
$router = $this->container->getRouter();
$configuration = $router->match($request);
//@todo: recall correctly how symfony deals with that
$request->attributes = new ParameterBag($configuration);
//@todo: do not execute controller that ugly
$controllerDefinition = $this->container->getApplication()->parseControllerName($configuration['controller']);
//probably there should be a better implementation of a package setting
$controllerObject = new $controllerDefinition['controller']();
$controllerObject->setContainer($this->container);
$action = $controllerDefinition['action'];
$controllerEvent = new ControllerEvent();
$controllerEvent->setController($controllerObject);
$controllerEvent->setAction($action);
$this->container->getEventDispatcher()->dispatch(KernelEvent::CONTROLLER_START, $controllerEvent);
$response = $controllerObject->{$action}($request);
$controllerEvent->setResponse($response);
$this->container->getEventDispatcher()->dispatch(KernelEvent::CONTROLLER_END, $controllerEvent);
$response = $controllerEvent->getResponse();
}
$responseEvent = new RequestResponseEvent();
$responseEvent->setRequest($request);
$responseEvent->setResponse($response);
$this->container->getEventDispatcher()->dispatch(KernelEvent::RESPONSE, $responseEvent);
if (!$response instanceof Response) {
throw new \Exception('Response returned by your controller is not an instance of HttpFoundation\\Response');
}
return $response;
} catch (\Exception $e) {
//generic exception handler
$exceptionEvent = new RequestResponseEvent();
$exceptionEvent->setRequest($request);
$exceptionEvent->setData($e);
$this->container->getEventDispatcher()->dispatch(KernelEvent::EXCEPTION, $exceptionEvent);
if ($exceptionEvent->hasResponse()) {
$this->container->getEventDispatcher()->dispatch(KernelEvent::RESPONSE, $exceptionEvent);
return $exceptionEvent->getResponse();
}
//process 404 exceptions
if ($e instanceof ResourceNotFoundException) {
$notFoundEvent = new RequestResponseEvent();
$notFoundEvent->setRequest($request);
$this->container->getEventDispatcher()->dispatch(KernelEvent::ERROR404, $notFoundEvent);
if ($notFoundEvent->hasResponse()) {
$this->container->getEventDispatcher()->dispatch(KernelEvent::RESPONSE, $notFoundEvent);
return $notFoundEvent->getResponse();
}
if ($this->container->getParameter('debug')) {
//in debug env 404 errors are just thrown
throw $e;
} else {
return $this->container['exception.controller']->exception404Action($e);
}
}
//process all other exceptions
if ($this->container->getParameter('debug')) {
throw $e;
} else {
return $this->container['exception.controller']->exception500Action($e);
}
}
}
protected function formatController(ControllerEvent $event)
{
return get_class($event->getController()) . ':' . $event->getAction();
}
