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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\serialization\Normalizer\ListNormalizer. | |
| */ | |
| namespace Drupal\serialization\Normalizer; | |
| /** | |
| * Converts list objects to arrays. | |
| * | |
| * Ordinarily, this would be handled automatically by Serializer, but since | |
| * there is a TypedDataNormalizer and the Field class extends TypedData, any | |
| * Field will be handled by that Normalizer instead of being traversed. This | |
| * class ensures that TypedData classes that also implement ListInterface are | |
| * traversed instead of simply returning getValue(). | |
| */ | |
| class ListNormalizer extends NormalizerBase { | |
| /** | |
| * The interface or class that this Normalizer supports. | |
| * | |
| * @var string | |
| */ | |
| protected $supportedInterfaceOrClass = 'Drupal\Core\TypedData\ListInterface'; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function normalize($object, $format = NULL, array $context = array()) { | |
| $attributes = array(); | |
| foreach ($object as $fieldItem) { | |
| $attributes[] = $this->serializer->normalize($fieldItem, $format); | |
| } | |
| return $attributes; | |
| } | |
| } |