82 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.6 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;
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use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;
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/**
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 * @author Samuel Roze <samuel.roze@gmail.com>
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 */
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class ClassDiscriminatorFromClassMetadata implements ClassDiscriminatorResolverInterface
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{
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    private array $mappingForMappedObjectCache = [];
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    public function __construct(
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        private readonly ClassMetadataFactoryInterface $classMetadataFactory,
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    ) {
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    }
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    public function getMappingForClass(string $class): ?ClassDiscriminatorMapping
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    {
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        if ($this->classMetadataFactory->hasMetadataFor($class)) {
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            return $this->classMetadataFactory->getMetadataFor($class)->getClassDiscriminatorMapping();
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        }
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        return null;
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    }
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    public function getMappingForMappedObject(object|string $object): ?ClassDiscriminatorMapping
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    {
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        if ($this->classMetadataFactory->hasMetadataFor($object)) {
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            $metadata = $this->classMetadataFactory->getMetadataFor($object);
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            if (null !== $metadata->getClassDiscriminatorMapping()) {
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                return $metadata->getClassDiscriminatorMapping();
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            }
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        }
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        $cacheKey = \is_object($object) ? $object::class : $object;
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        if (!\array_key_exists($cacheKey, $this->mappingForMappedObjectCache)) {
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            $this->mappingForMappedObjectCache[$cacheKey] = $this->resolveMappingForMappedObject($object);
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        }
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        return $this->mappingForMappedObjectCache[$cacheKey];
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    }
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    public function getTypeForMappedObject(object|string $object): ?string
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    {
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        if (null === $mapping = $this->getMappingForMappedObject($object)) {
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            return null;
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        }
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        return $mapping->getMappedObjectType($object);
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    }
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    private function resolveMappingForMappedObject(object|string $object): ?ClassDiscriminatorMapping
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    {
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        $reflectionClass = new \ReflectionClass($object);
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        if ($parentClass = $reflectionClass->getParentClass()) {
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            if (null !== ($parentMapping = $this->getMappingForMappedObject($parentClass->getName()))) {
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                return $parentMapping;
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            }
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        }
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        foreach ($reflectionClass->getInterfaceNames() as $interfaceName) {
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            if (null !== ($interfaceMapping = $this->getMappingForMappedObject($interfaceName))) {
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                return $interfaceMapping;
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            }
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        }
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        return null;
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    }
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}
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