PsrResponseListener.php

<?php


/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Bridge\PsrHttpMessage\EventListener;

use Psr\Http\Message\ResponseInterface;
use Symfony\Bridge\PsrHttpMessage\Factory\HttpFoundationFactory;
use Symfony\Bridge\PsrHttpMessage\HttpFoundationFactoryInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ViewEvent;
use Symfony\Component\HttpKernel\KernelEvents;

/**
 * Converts PSR-7 Response to HttpFoundation Response using the bridge.
 *
 * @author Kévin Dunglas <dunglas@gmail.com>
 * @author Alexander M. Turek <me@derrabus.de>
 */
final class PsrResponseListener implements EventSubscriberInterface {
    private readonly HttpFoundationFactoryInterface $httpFoundationFactory;
    public function __construct(?HttpFoundationFactoryInterface $httpFoundationFactory = null) {
        $this->httpFoundationFactory = $httpFoundationFactory ?? new HttpFoundationFactory();
    }
    
    /**
     * Do the conversion if applicable and update the response of the event.
     */
    public function onKernelView(ViewEvent $event) : void {
        $controllerResult = $event->getControllerResult();
        if (!$controllerResult instanceof ResponseInterface) {
            return;
        }
        $event->setResponse($this->httpFoundationFactory
            ->createResponse($controllerResult));
    }
    public static function getSubscribedEvents() : array {
        return [
            KernelEvents::VIEW => 'onKernelView',
        ];
    }

}