121 lines
3.1 KiB
PHP
121 lines
3.1 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Mapping\Factory;
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use Doctrine\Common\Cache\Cache;
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use Symfony\Component\Serializer\Exception\InvalidArgumentException;
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use Symfony\Component\Serializer\Mapping\ClassMetadata;
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use Symfony\Component\Serializer\Mapping\Loader\LoaderInterface;
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/**
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* Returns a {@link ClassMetadata}.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*/
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class ClassMetadataFactory implements ClassMetadataFactoryInterface
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{
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/**
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* @var LoaderInterface
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*/
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private $loader;
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/**
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* @var Cache
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*/
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private $cache;
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/**
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* @var array
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*/
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private $loadedClasses;
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/**
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* @param LoaderInterface $loader
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* @param Cache|null $cache
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*/
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public function __construct(LoaderInterface $loader, Cache $cache = null)
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{
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$this->loader = $loader;
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$this->cache = $cache;
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}
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/**
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* {@inheritdoc}
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*/
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public function getMetadataFor($value)
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{
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$class = $this->getClass($value);
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if (!$class) {
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throw new InvalidArgumentException(sprintf('Cannot create metadata for non-objects. Got: "%s"', gettype($value)));
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}
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if (isset($this->loadedClasses[$class])) {
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return $this->loadedClasses[$class];
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}
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if ($this->cache && ($this->loadedClasses[$class] = $this->cache->fetch($class))) {
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return $this->loadedClasses[$class];
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}
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if (!class_exists($class) && !interface_exists($class)) {
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throw new InvalidArgumentException(sprintf('The class or interface "%s" does not exist.', $class));
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}
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$classMetadata = new ClassMetadata($class);
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$this->loader->loadClassMetadata($classMetadata);
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$reflectionClass = $classMetadata->getReflectionClass();
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// Include metadata from the parent class
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if ($parent = $reflectionClass->getParentClass()) {
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$classMetadata->merge($this->getMetadataFor($parent->name));
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}
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// Include metadata from all implemented interfaces
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foreach ($reflectionClass->getInterfaces() as $interface) {
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$classMetadata->merge($this->getMetadataFor($interface->name));
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}
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if ($this->cache) {
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$this->cache->save($class, $classMetadata);
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}
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return $this->loadedClasses[$class] = $classMetadata;
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}
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/**
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* {@inheritdoc}
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*/
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public function hasMetadataFor($value)
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{
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$class = $this->getClass($value);
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return class_exists($class) || interface_exists($class);
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}
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/**
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* Gets a class name for a given class or instance.
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*
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* @param mixed $value
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*
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* @return string|bool
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*/
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private function getClass($value)
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{
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if (!is_object($value) && !is_string($value)) {
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return false;
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}
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return ltrim(is_object($value) ? get_class($value) : $value, '\\');
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}
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}
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