ClassMetadataFactory.php in Zircon Profile 8

Namespace

Symfony\Component\Serializer\Mapping\Factory

File

vendor/symfony/serializer/Mapping/Factory/ClassMetadataFactory.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Serializer\Mapping\Factory;

use Doctrine\Common\Cache\Cache;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
use Symfony\Component\Serializer\Mapping\ClassMetadata;
use Symfony\Component\Serializer\Mapping\Loader\LoaderInterface;

/**
 * Returns a {@link ClassMetadata}.
 *
 * @author Kévin Dunglas <[e-mail]>
 */
class ClassMetadataFactory implements ClassMetadataFactoryInterface {

  /**
   * @var LoaderInterface
   */
  private $loader;

  /**
   * @var Cache
   */
  private $cache;

  /**
   * @var array
   */
  private $loadedClasses;

  /**
   * @param LoaderInterface $loader
   * @param Cache|null      $cache
   */
  public function __construct(LoaderInterface $loader, Cache $cache = null) {
    $this->loader = $loader;
    $this->cache = $cache;
  }

  /**
   * {@inheritdoc}
   */
  public function getMetadataFor($value) {
    $class = $this
      ->getClass($value);
    if (!$class) {
      throw new InvalidArgumentException(sprintf('Cannot create metadata for non-objects. Got: "%s"', gettype($value)));
    }
    if (isset($this->loadedClasses[$class])) {
      return $this->loadedClasses[$class];
    }
    if ($this->cache && ($this->loadedClasses[$class] = $this->cache
      ->fetch($class))) {
      return $this->loadedClasses[$class];
    }
    if (!class_exists($class) && !interface_exists($class)) {
      throw new InvalidArgumentException(sprintf('The class or interface "%s" does not exist.', $class));
    }
    $classMetadata = new ClassMetadata($class);
    $this->loader
      ->loadClassMetadata($classMetadata);
    $reflectionClass = $classMetadata
      ->getReflectionClass();

    // Include metadata from the parent class
    if ($parent = $reflectionClass
      ->getParentClass()) {
      $classMetadata
        ->merge($this
        ->getMetadataFor($parent->name));
    }

    // Include metadata from all implemented interfaces
    foreach ($reflectionClass
      ->getInterfaces() as $interface) {
      $classMetadata
        ->merge($this
        ->getMetadataFor($interface->name));
    }
    if ($this->cache) {
      $this->cache
        ->save($class, $classMetadata);
    }
    return $this->loadedClasses[$class] = $classMetadata;
  }

  /**
   * {@inheritdoc}
   */
  public function hasMetadataFor($value) {
    $class = $this
      ->getClass($value);
    return class_exists($class) || interface_exists($class);
  }

  /**
   * Gets a class name for a given class or instance.
   *
   * @param mixed $value
   *
   * @return string|bool
   */
  private function getClass($value) {
    if (!is_object($value) && !is_string($value)) {
      return false;
    }
    return ltrim(is_object($value) ? get_class($value) : $value, '\\');
  }

}

Classes

Name	Description
ClassMetadataFactory	Returns a {@link ClassMetadata}.