Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Serializer\Mapping\Factory;
Chris@0: 
Chris@0: use Doctrine\Common\Cache\Cache;
Chris@0: use Symfony\Component\Serializer\Exception\InvalidArgumentException;
Chris@0: use Symfony\Component\Serializer\Mapping\ClassMetadata;
Chris@0: use Symfony\Component\Serializer\Mapping\Loader\LoaderInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Returns a {@link ClassMetadata}.
Chris@0:  *
Chris@0:  * @author Kévin Dunglas <dunglas@gmail.com>
Chris@0:  */
Chris@0: class ClassMetadataFactory implements ClassMetadataFactoryInterface
Chris@0: {
Chris@0:     use ClassResolverTrait;
Chris@0: 
Chris@0:     private $loader;
Chris@0:     private $cache;
Chris@0:     private $loadedClasses;
Chris@0: 
Chris@0:     public function __construct(LoaderInterface $loader, Cache $cache = null)
Chris@0:     {
Chris@0:         $this->loader = $loader;
Chris@0:         $this->cache = $cache;
Chris@0: 
Chris@0:         if (null !== $cache) {
Chris@14:             @trigger_error(sprintf('Passing a Doctrine Cache instance as 2nd parameter of the "%s" constructor is deprecated since Symfony 3.1. This parameter will be removed in Symfony 4.0. Use the "%s" class instead.', __CLASS__, CacheClassMetadataFactory::class), E_USER_DEPRECATED);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getMetadataFor($value)
Chris@0:     {
Chris@0:         $class = $this->getClass($value);
Chris@0: 
Chris@0:         if (isset($this->loadedClasses[$class])) {
Chris@0:             return $this->loadedClasses[$class];
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->cache && ($this->loadedClasses[$class] = $this->cache->fetch($class))) {
Chris@0:             return $this->loadedClasses[$class];
Chris@0:         }
Chris@0: 
Chris@0:         $classMetadata = new ClassMetadata($class);
Chris@0:         $this->loader->loadClassMetadata($classMetadata);
Chris@0: 
Chris@0:         $reflectionClass = $classMetadata->getReflectionClass();
Chris@0: 
Chris@0:         // Include metadata from the parent class
Chris@0:         if ($parent = $reflectionClass->getParentClass()) {
Chris@0:             $classMetadata->merge($this->getMetadataFor($parent->name));
Chris@0:         }
Chris@0: 
Chris@0:         // Include metadata from all implemented interfaces
Chris@0:         foreach ($reflectionClass->getInterfaces() as $interface) {
Chris@0:             $classMetadata->merge($this->getMetadataFor($interface->name));
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->cache) {
Chris@0:             $this->cache->save($class, $classMetadata);
Chris@0:         }
Chris@0: 
Chris@0:         return $this->loadedClasses[$class] = $classMetadata;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function hasMetadataFor($value)
Chris@0:     {
Chris@0:         try {
Chris@0:             $this->getClass($value);
Chris@0: 
Chris@0:             return true;
Chris@0:         } catch (InvalidArgumentException $invalidArgumentException) {
Chris@0:             // Return false in case of exception
Chris@0:         }
Chris@0: 
Chris@0:         return false;
Chris@0:     }
Chris@0: }