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<?php
namespace Drupal\Core\EventSubscriber;
use Psr\Http\Message\ResponseInterface;
use Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ViewEvent;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* Response subscriber for handling PSR-7 responses.
*/
class PsrResponseSubscriber implements EventSubscriberInterface {
/**
* The httpFoundation factory.
*
* @var \Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface
*/
protected $httpFoundationFactory;
/**
* Constructs a new PathRootsSubscriber instance.
*
* @param \Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface $http_foundation_factory
* The httpFoundation factory.
*/
public function __construct(HttpFoundationFactoryInterface $http_foundation_factory) {
$this->httpFoundationFactory = $http_foundation_factory;
}
/**
* Converts a PSR-7 response to a Symfony response.
*
* @param \Symfony\Component\HttpKernel\Event\ViewEvent $event
* The Event to process.
*/
public function onKernelView(ViewEvent $event) {
$controller_result = $event->getControllerResult();
if ($controller_result instanceof ResponseInterface) {
$event->setResponse($this->httpFoundationFactory->createResponse($controller_result));
}
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents(): array {
$events[KernelEvents::VIEW][] = ['onKernelView'];
return $events;
}
}
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