public function FieldNormalizer::denormalize in Drupal 8

Same name in this branch

1. 8 core/modules/jsonapi/src/Normalizer/FieldNormalizer.php \Drupal\jsonapi\Normalizer\FieldNormalizer::denormalize()
2. 8 core/modules/serialization/src/Normalizer/FieldNormalizer.php \Drupal\serialization\Normalizer\FieldNormalizer::denormalize()

Same name and namespace in other branches

1. 9 core/modules/serialization/src/Normalizer/FieldNormalizer.php \Drupal\serialization\Normalizer\FieldNormalizer::denormalize()
2. 10 core/modules/serialization/src/Normalizer/FieldNormalizer.php \Drupal\serialization\Normalizer\FieldNormalizer::denormalize()

File

core/modules/serialization/src/Normalizer/FieldNormalizer.php, line 29

Class

FieldNormalizer

Denormalizes data to Drupal field values.

Namespace

Drupal\serialization\Normalizer

Code

public function denormalize($data, $class, $format = NULL, array $context = []) {
  if (!isset($context['target_instance'])) {
    throw new InvalidArgumentException('$context[\'target_instance\'] must be set to denormalize with the FieldNormalizer');
  }
  if ($context['target_instance']
    ->getParent() == NULL) {
    throw new InvalidArgumentException('The field passed in via $context[\'target_instance\'] must have a parent set.');
  }

  /** @var \Drupal\Core\Field\FieldItemListInterface $items */
  $items = $context['target_instance'];
  $item_class = $items
    ->getItemDefinition()
    ->getClass();
  if (!is_array($data)) {
    throw new UnexpectedValueException(sprintf('Field values for "%s" must use an array structure', $items
      ->getName()));
  }
  foreach ($data as $item_data) {

    // Create a new item and pass it as the target for the unserialization of
    // $item_data. All items in field should have removed before this method
    // was called.
    // @see \Drupal\serialization\Normalizer\ContentEntityNormalizer::denormalize().
    $context['target_instance'] = $items
      ->appendItem();
    $this->serializer
      ->denormalize($item_data, $item_class, $format, $context);
  }
  return $items;
}