<?php
/*
* This file is part of the FOSRestBundle package.
*
* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FOS\RestBundle\EventListener;
use FOS\RestBundle\FOSRestBundle;
use FOS\RestBundle\Version\ChainVersionResolver;
use FOS\RestBundle\Version\VersionResolverInterface;
use Symfony\Component\HttpKernel\Event\RequestEvent;
/**
* @internal
*/
class VersionListener
{
private $versionResolver;
private $defaultVersion;
public function __construct(VersionResolverInterface $versionResolver, $defaultVersion = null)
{
$this->versionResolver = $versionResolver;
$this->defaultVersion = $defaultVersion;
}
/**
* @param RequestEvent $event
*/
public function onKernelRequest($event)
{
$request = $event->getRequest();
if (!$request->attributes->get(FOSRestBundle::ZONE_ATTRIBUTE, true)) {
return;
}
$version = $this->versionResolver->resolve($request);
if (!$this->versionResolver instanceof ChainVersionResolver && null !== $version && !is_string($version)) {
@trigger_error(sprintf('Not returning a string or null from %s::resolve() when implementing the %s is deprecated since FOSRestBundle 2.8.', get_class($this->versionResolver), VersionResolverInterface::class), E_USER_DEPRECATED);
}
if ((false === $version || null === $version) && null !== $this->defaultVersion) {
$version = $this->defaultVersion;
}
// Return if nothing to do
if (false === $version || null === $version) {
return;
}
$request->attributes->set('version', $version);
}
}