Chris@14: <?php
Chris@14: 
Chris@14: /*
Chris@14:  * This file is part of the Symfony package.
Chris@14:  *
Chris@14:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@14:  *
Chris@14:  * For the full copyright and license information, please view the LICENSE
Chris@14:  * file that was distributed with this source code.
Chris@14:  */
Chris@14: 
Chris@14: namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
Chris@14: 
Chris@14: use Symfony\Component\HttpFoundation\Request;
Chris@14: use Symfony\Component\HttpFoundation\Session\SessionInterface;
Chris@14: use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
Chris@14: use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
Chris@14: 
Chris@14: /**
Chris@14:  * Yields the Session.
Chris@14:  *
Chris@14:  * @author Iltar van der Berg <kjarli@gmail.com>
Chris@14:  */
Chris@14: final class SessionValueResolver implements ArgumentValueResolverInterface
Chris@14: {
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function supports(Request $request, ArgumentMetadata $argument)
Chris@14:     {
Chris@14:         $type = $argument->getType();
Chris@14:         if (SessionInterface::class !== $type && !is_subclass_of($type, SessionInterface::class)) {
Chris@14:             return false;
Chris@14:         }
Chris@14: 
Chris@14:         return $request->getSession() instanceof $type;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function resolve(Request $request, ArgumentMetadata $argument)
Chris@14:     {
Chris@14:         yield $request->getSession();
Chris@14:     }
Chris@14: }