4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\Serializer\Mapping\Factory;
14 use Doctrine\Common\Cache\Cache;
15 use Symfony\Component\Serializer\Exception\InvalidArgumentException;
16 use Symfony\Component\Serializer\Mapping\ClassMetadata;
17 use Symfony\Component\Serializer\Mapping\Loader\LoaderInterface;
20 * Returns a {@link ClassMetadata}.
22 * @author Kévin Dunglas <dunglas@gmail.com>
24 class ClassMetadataFactory implements ClassMetadataFactoryInterface
27 * @var LoaderInterface
39 private $loadedClasses;
42 * @param LoaderInterface $loader
43 * @param Cache|null $cache
45 public function __construct(LoaderInterface $loader, Cache $cache = null)
47 $this->loader = $loader;
48 $this->cache = $cache;
54 public function getMetadataFor($value)
56 $class = $this->getClass($value);
58 throw new InvalidArgumentException(sprintf('Cannot create metadata for non-objects. Got: "%s"', gettype($value)));
61 if (isset($this->loadedClasses[$class])) {
62 return $this->loadedClasses[$class];
65 if ($this->cache && ($this->loadedClasses[$class] = $this->cache->fetch($class))) {
66 return $this->loadedClasses[$class];
69 if (!class_exists($class) && !interface_exists($class)) {
70 throw new InvalidArgumentException(sprintf('The class or interface "%s" does not exist.', $class));
73 $classMetadata = new ClassMetadata($class);
74 $this->loader->loadClassMetadata($classMetadata);
76 $reflectionClass = $classMetadata->getReflectionClass();
78 // Include metadata from the parent class
79 if ($parent = $reflectionClass->getParentClass()) {
80 $classMetadata->merge($this->getMetadataFor($parent->name));
83 // Include metadata from all implemented interfaces
84 foreach ($reflectionClass->getInterfaces() as $interface) {
85 $classMetadata->merge($this->getMetadataFor($interface->name));
89 $this->cache->save($class, $classMetadata);
92 return $this->loadedClasses[$class] = $classMetadata;
98 public function hasMetadataFor($value)
100 $class = $this->getClass($value);
102 return class_exists($class) || interface_exists($class);
106 * Gets a class name for a given class or instance.
108 * @param mixed $value
110 * @return string|bool
112 private function getClass($value)
114 if (!is_object($value) && !is_string($value)) {
118 return ltrim(is_object($value) ? get_class($value) : $value, '\\');