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<?php |
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/* |
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* This file is part of the reva2/jsonapi. |
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* |
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* (c) Sergey Revenko <[email protected]> |
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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 Reva2\JsonApi\Decoders\Mapping\Factory; |
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use Reva2\JsonApi\Contracts\Decoders\Mapping\Cache\CacheInterface; |
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use Reva2\JsonApi\Contracts\Decoders\Mapping\ClassMetadataInterface; |
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use Reva2\JsonApi\Contracts\Decoders\Mapping\Factory\MetadataFactoryInterface; |
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use Reva2\JsonApi\Contracts\Decoders\Mapping\GenericMetadataInterface; |
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use Reva2\JsonApi\Contracts\Decoders\Mapping\Loader\LoaderInterface; |
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/** |
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* JSON API metadata factory |
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* |
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* @package Reva2\JsonApi\Decoders\Mapping\Factory |
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* @author Sergey Revenko <[email protected]> |
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*/ |
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class LazyMetadataFactory implements MetadataFactoryInterface |
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{ |
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/** |
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* @var LoaderInterface |
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*/ |
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protected $loader; |
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/** |
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* @var CacheInterface |
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*/ |
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protected $cache; |
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/** |
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* Loaded metadata indexed by class name |
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* |
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* @var GenericMetadataInterface[] |
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*/ |
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protected $loadedClasses = []; |
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/** |
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* Constructor |
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* |
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* @param LoaderInterface $loader |
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* @param CacheInterface|null $cache |
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*/ |
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public function __construct(LoaderInterface $loader, CacheInterface $cache = null) |
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{ |
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$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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if (!is_object($value) && !is_string($value)) { |
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throw new \InvalidArgumentException(sprintf( |
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"Cannot create metadata for non-objects. Got: %s", |
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gettype($value) |
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)); |
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} |
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$class = ltrim(((is_object($value)) ? get_class($value) : $value), '\\'); |
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if (array_key_exists($value, $this->loadedClasses)) { |
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return $this->loadedClasses[$class]; |
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} |
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if ((null !== $this->cache) && (false !== ($this->loadedClasses[$class] = $this->cache->read($class)))) { |
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return $this->loadedClasses[$class]; |
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} |
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if (!class_exists($class)) { |
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throw new \RuntimeException(sprintf( |
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"The class '%s' doesn't exist", |
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$class |
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)); |
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} |
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$reflection = new \ReflectionClass($class); |
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$metadata = $this->loader->loadClassMetadata($reflection); |
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if (($metadata instanceof ClassMetadataInterface) && (false !== ($parent = $reflection->getParentClass()))) { |
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$metadata->mergeMetadata($this->getMetadataFor($parent->getName())); |
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} |
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if (null !== $this->cache) { |
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$this->cache->write($metadata); |
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} |
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return $this->loadedClasses[$class] = $metadata; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function hasMetadataFor($value) |
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{ |
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if (!is_object($value) && !is_string($value)) { |
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return false; |
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} |
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$class = ltrim(((is_object($value)) ? get_class($value) : $value), '\\'); |
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if (class_exists($class)) { |
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return true; |
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} |
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return false; |
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} |
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} |
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reva2 /
jsonapi
