<?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\Component\HttpKernel\EventListener;

use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
use Symfony\Component\HttpKernel\HttpCache\HttpCache;
use Symfony\Component\HttpKernel\HttpCache\SurrogateInterface;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * SurrogateListener adds a Surrogate-Control HTTP header when the Response needs to be parsed for Surrogates.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SurrogateListener implements EventSubscriberInterface
{
    private $surrogate;

    public function __construct(SurrogateInterface $surrogate = null)
    {
        $this->surrogate = $surrogate;
    }

    /**
     * Filters the Response.
     */
    public function onKernelResponse(FilterResponseEvent $event)
    {
        if (!$event->isMasterRequest()) {
            return;
        }

        $kernel = $event->getKernel();
        $surrogate = $this->surrogate;
        if ($kernel instanceof HttpCache) {
            $surrogate = $kernel->getSurrogate();
            if (null !== $this->surrogate && $this->surrogate->getName() !== $surrogate->getName()) {
                $surrogate = $this->surrogate;
            }
        }

        if (null === $surrogate) {
            return;
        }

        $surrogate->addSurrogateControl($event->getResponse());
    }

    public static function getSubscribedEvents()
    {
        return array(
            KernelEvents::RESPONSE => 'onKernelResponse',
        );
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTE3NDMzMzIxMTk3MTUwIDE3NjEzMzcyOTE3NjE4OTYgNzIzMTg5NDEzNzM5NzQ4NQ==