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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\Serializer\Mapping\Factory;
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13
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14 use Doctrine\Common\Cache\Cache;
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15 use Symfony\Component\Serializer\Exception\InvalidArgumentException;
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16 use Symfony\Component\Serializer\Mapping\ClassMetadata;
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17 use Symfony\Component\Serializer\Mapping\Loader\LoaderInterface;
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18
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19 /**
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20 * Returns a {@link ClassMetadata}.
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21 *
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22 * @author Kévin Dunglas <dunglas@gmail.com>
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23 */
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24 class ClassMetadataFactory implements ClassMetadataFactoryInterface
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25 {
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26 use ClassResolverTrait;
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27
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28 private $loader;
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29 private $cache;
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30 private $loadedClasses;
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31
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32 public function __construct(LoaderInterface $loader, Cache $cache = null)
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33 {
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34 $this->loader = $loader;
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35 $this->cache = $cache;
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36
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37 if (null !== $cache) {
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38 @trigger_error(sprintf('Passing a Doctrine Cache instance as 2nd parameter of the "%s" constructor is deprecated since Symfony 3.1. This parameter will be removed in Symfony 4.0. Use the "%s" class instead.', __CLASS__, CacheClassMetadataFactory::class), E_USER_DEPRECATED);
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39 }
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40 }
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41
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42 /**
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43 * {@inheritdoc}
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44 */
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45 public function getMetadataFor($value)
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46 {
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47 $class = $this->getClass($value);
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48
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49 if (isset($this->loadedClasses[$class])) {
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50 return $this->loadedClasses[$class];
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51 }
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52
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53 if ($this->cache && ($this->loadedClasses[$class] = $this->cache->fetch($class))) {
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54 return $this->loadedClasses[$class];
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55 }
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56
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57 $classMetadata = new ClassMetadata($class);
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58 $this->loader->loadClassMetadata($classMetadata);
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59
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60 $reflectionClass = $classMetadata->getReflectionClass();
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61
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62 // Include metadata from the parent class
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63 if ($parent = $reflectionClass->getParentClass()) {
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64 $classMetadata->merge($this->getMetadataFor($parent->name));
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65 }
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66
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67 // Include metadata from all implemented interfaces
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68 foreach ($reflectionClass->getInterfaces() as $interface) {
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69 $classMetadata->merge($this->getMetadataFor($interface->name));
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70 }
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71
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72 if ($this->cache) {
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73 $this->cache->save($class, $classMetadata);
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74 }
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75
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76 return $this->loadedClasses[$class] = $classMetadata;
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77 }
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78
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79 /**
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80 * {@inheritdoc}
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81 */
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82 public function hasMetadataFor($value)
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83 {
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84 try {
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85 $this->getClass($value);
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86
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87 return true;
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88 } catch (InvalidArgumentException $invalidArgumentException) {
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89 // Return false in case of exception
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90 }
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91
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92 return false;
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93 }
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94 }
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