class EnforcedFormResponseSubscriber in Drupal 9

Handle the EnforcedResponseException and deliver an EnforcedResponse.

Hierarchy

• class \Drupal\Core\EventSubscriber\EnforcedFormResponseSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'EnforcedFormResponseSubscriber'

core.services.yml in core/core.services.yml

core/core.services.yml

1 service uses EnforcedFormResponseSubscriber

exception.enforced_form_response in core/core.services.yml

Drupal\Core\EventSubscriber\EnforcedFormResponseSubscriber

File

core/lib/Drupal/Core/EventSubscriber/EnforcedFormResponseSubscriber.php, line 14

Namespace

Drupal\Core\EventSubscriber

class EnforcedFormResponseSubscriber implements EventSubscriberInterface {

  /**
   * Replaces the response in case an EnforcedResponseException was thrown.
   */
  public function onKernelException(ExceptionEvent $event) {
    if ($response = EnforcedResponse::createFromException($event
      ->getThrowable())) {

      // Setting the response stops the event propagation.
      $event
        ->setResponse($response);
    }
  }

  /**
   * Unwraps an enforced response.
   */
  public function onKernelResponse(ResponseEvent $event) {
    $response = $event
      ->getResponse();
    if ($response instanceof EnforcedResponse && $event
      ->isMainRequest()) {
      $event
        ->setResponse($response
        ->getResponse());
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[KernelEvents::EXCEPTION] = [
      'onKernelException',
      128,
    ];
    $events[KernelEvents::RESPONSE] = [
      'onKernelResponse',
      128,
    ];
    return $events;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EnforcedFormResponseSubscriber::getSubscribedEvents	public static	function
EnforcedFormResponseSubscriber::onKernelException	public	function	Replaces the response in case an EnforcedResponseException was thrown.
EnforcedFormResponseSubscriber::onKernelResponse	public	function	Unwraps an enforced response.