SurrogateListener.php in Zircon Profile 8.0
Same filename and directory in other branches
File
vendor/symfony/http-kernel/EventListener/SurrogateListener.phpView source
<?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\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;
/**
* Constructor.
*
* @param SurrogateInterface $surrogate An SurrogateInterface instance
*/
public function __construct(SurrogateInterface $surrogate = null) {
$this->surrogate = $surrogate;
}
/**
* Filters the Response.
*
* @param FilterResponseEvent $event A FilterResponseEvent instance
*/
public function onKernelResponse(FilterResponseEvent $event) {
if (!$event
->isMasterRequest() || null === $this->surrogate) {
return;
}
$this->surrogate
->addSurrogateControl($event
->getResponse());
}
public static function getSubscribedEvents() {
return array(
KernelEvents::RESPONSE => 'onKernelResponse',
);
}
}
Classes
Name | Description |
---|---|
SurrogateListener | SurrogateListener adds a Surrogate-Control HTTP header when the Response needs to be parsed for Surrogates. |