vendor/ezsystems/ezpublish-kernel/eZ/Bundle/EzPublishRestBundle/EventListener/ResponseListener.php line 68

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  1. <?php
  3. /**
  4.  * @copyright Copyright (C) eZ Systems AS. All rights reserved.
  5.  * @license For full copyright and license information view LICENSE file distributed with this source code.
  6.  */
  7. namespace eZ\Bundle\EzPublishRestBundle\EventListener;
  9. use eZ\Publish\Core\REST\Server\View\AcceptHeaderVisitorDispatcher;
  10. use Symfony\Component\HttpKernel\KernelEvents;
  11. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  12. use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent;
  13. use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
  15. /**
  16.  * REST Response Listener.
  17.  *
  18.  * Converts responses from REST controllers to REST Responses, depending on the Accept-Header value.
  19.  */
  20. class ResponseListener implements EventSubscriberInterface
  21. {
  22.     /** @var AcceptHeaderVisitorDispatcher */
  23.     private $viewDispatcher;
  25.     /**
  26.      * @param $viewDispatcher AcceptHeaderVisitorDispatcher
  27.      */
  28.     public function __construct(AcceptHeaderVisitorDispatcher $viewDispatcher)
  29.     {
  30.         $this->viewDispatcher = $viewDispatcher;
  31.     }
  33.     /**
  34.      * @return array
  35.      */
  36.     public static function getSubscribedEvents()
  37.     {
  38.         return [
  39.             KernelEvents::VIEW => 'onKernelResultView',
  40.             // Must happen BEFORE the Core ExceptionListener.
  41.             KernelEvents::EXCEPTION => ['onKernelExceptionView', 20],
  42.         ];
  43.     }
  45.     /**
  46.      * @param \Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent $event
  47.      */
  48.     public function onKernelResultView(GetResponseForControllerResultEvent $event)
  49.     {
  50.         if (!$event->getRequest()->attributes->get('is_rest_request')) {
  51.             return;
  52.         }
  54.         $event->setResponse(
  55.             $this->viewDispatcher->dispatch(
  56.                 $event->getRequest(),
  57.                 $event->getControllerResult()
  58.             )
  59.         );
  60.         $event->stopPropagation();
  61.     }
  63.     /**
  64.      * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
  65.      *
  66.      * @throws \Exception
  67.      */
  68.     public function onKernelExceptionView(GetResponseForExceptionEvent $event)
  69.     {
  70.         if (!$event->getRequest()->attributes->get('is_rest_request')) {
  71.             return;
  72.         }
  74.         $event->setResponse(
  75.             $this->viewDispatcher->dispatch(
  76.                 $event->getRequest(),
  77.                 $event->getException()
  78.             )
  79.         );
  80.         $event->stopPropagation();
  81.     }
  82. }