class FieldNormalizer
Same name in this branch
- 10 core/modules/serialization/src/Normalizer/FieldNormalizer.php \Drupal\serialization\Normalizer\FieldNormalizer
Same name in other branches
- 9 core/modules/jsonapi/src/Normalizer/FieldNormalizer.php \Drupal\jsonapi\Normalizer\FieldNormalizer
- 9 core/modules/serialization/src/Normalizer/FieldNormalizer.php \Drupal\serialization\Normalizer\FieldNormalizer
- 9 core/modules/hal/src/Normalizer/FieldNormalizer.php \Drupal\hal\Normalizer\FieldNormalizer
- 8.9.x core/modules/jsonapi/src/Normalizer/FieldNormalizer.php \Drupal\jsonapi\Normalizer\FieldNormalizer
- 8.9.x core/modules/serialization/src/Normalizer/FieldNormalizer.php \Drupal\serialization\Normalizer\FieldNormalizer
- 8.9.x core/modules/hal/src/Normalizer/FieldNormalizer.php \Drupal\hal\Normalizer\FieldNormalizer
- 11.x core/modules/jsonapi/src/Normalizer/FieldNormalizer.php \Drupal\jsonapi\Normalizer\FieldNormalizer
- 11.x core/modules/serialization/src/Normalizer/FieldNormalizer.php \Drupal\serialization\Normalizer\FieldNormalizer
Converts the Drupal field structure to a JSON:API array structure.
@internal JSON:API maintains no PHP API since its API is the HTTP API. This class may change at any time and this will break any dependencies on it.
Hierarchy
- class \Drupal\serialization\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\SerializerAwareInterface, \Drupal\serialization\Normalizer\CacheableNormalizerInterface uses \Symfony\Component\Serializer\SerializerAwareTrait
- class \Drupal\jsonapi\Normalizer\NormalizerBase extends \Drupal\serialization\Normalizer\NormalizerBase
- class \Drupal\jsonapi\Normalizer\FieldNormalizer extends \Drupal\jsonapi\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface
- class \Drupal\jsonapi\Normalizer\NormalizerBase extends \Drupal\serialization\Normalizer\NormalizerBase
Expanded class hierarchy of FieldNormalizer
See also
https://www.drupal.org/project/drupal/issues/3032787
1 string reference to 'FieldNormalizer'
- jsonapi.services.yml in core/
modules/ jsonapi/ jsonapi.services.yml - core/modules/jsonapi/jsonapi.services.yml
1 service uses FieldNormalizer
- serializer.normalizer.field.jsonapi in core/
modules/ jsonapi/ jsonapi.services.yml - Drupal\jsonapi\Normalizer\FieldNormalizer
File
-
core/
modules/ jsonapi/ src/ Normalizer/ FieldNormalizer.php, line 21
Namespace
Drupal\jsonapi\NormalizerView source
class FieldNormalizer extends NormalizerBase implements DenormalizerInterface {
/**
* {@inheritdoc}
*/
public function normalize($field, $format = NULL, array $context = []) : array|string|int|float|bool|\ArrayObject|null {
/** @var \Drupal\Core\Field\FieldItemListInterface $field */
$normalized_items = $this->normalizeFieldItems($field, $format, $context);
assert($context['resource_object'] instanceof ResourceObject);
return $context['resource_object']->getResourceType()
->getFieldByInternalName($field->getName())
->hasOne() ? array_shift($normalized_items) ?: CacheableNormalization::permanent(NULL) : CacheableNormalization::aggregate($normalized_items);
}
/**
* {@inheritdoc}
*/
public function denormalize($data, $class, $format = NULL, array $context = []) : mixed {
$field_definition = $context['field_definition'];
assert($field_definition instanceof FieldDefinitionInterface);
$resource_type = $context['resource_type'];
assert($resource_type instanceof ResourceType);
// If $data contains items (recognizable by numerical array keys, which
// Drupal's Field API calls "deltas"), then it already is itemized; it's not
// using the simplified JSON structure that JSON:API generates.
$is_already_itemized = is_array($data) && array_reduce(array_keys($data), function ($carry, $index) {
return $carry && is_numeric($index);
}, TRUE);
$itemized_data = $is_already_itemized ? $data : [
0 => $data,
];
// Single-cardinality fields don't need itemization.
$field_item_class = $field_definition->getItemDefinition()
->getClass();
if (count($itemized_data) === 1 && $resource_type->getFieldByInternalName($field_definition->getName())
->hasOne()) {
return $this->serializer
->denormalize($itemized_data[0], $field_item_class, $format, $context);
}
$data_internal = [];
foreach ($itemized_data as $delta => $field_item_value) {
$data_internal[$delta] = $this->serializer
->denormalize($field_item_value, $field_item_class, $format, $context);
}
return $data_internal;
}
/**
* Helper function to normalize field items.
*
* @param \Drupal\Core\Field\FieldItemListInterface $field
* The field object.
* @param string $format
* The format.
* @param array $context
* The context array.
*
* @return \Drupal\jsonapi\Normalizer\FieldItemNormalizer[]
* The array of normalized field items.
*/
protected function normalizeFieldItems(FieldItemListInterface $field, $format, array $context) {
$normalizer_items = [];
if (!$field->isEmpty()) {
foreach ($field as $field_item) {
$normalizer_items[] = $this->serializer
->normalize($field_item, $format, $context);
}
}
return $normalizer_items;
}
/**
* {@inheritdoc}
*/
public function hasCacheableSupportsMethod() : bool {
@trigger_error(__METHOD__ . '() is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Use getSupportedTypes() instead. See https://www.drupal.org/node/3359695', E_USER_DEPRECATED);
return TRUE;
}
/**
* {@inheritdoc}
*/
public function getSupportedTypes(?string $format) : array {
return [
FieldItemListInterface::class => TRUE,
];
}
}
Members
Title Sort descending | Modifiers | Object type | Summary | Overriden Title | Overrides |
---|---|---|---|---|---|
CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY | constant | Name of key for bubbling cacheability metadata via serialization context. | |||
FieldNormalizer::denormalize | public | function | |||
FieldNormalizer::getSupportedTypes | public | function | Overrides NormalizerBase::getSupportedTypes | 1 | |
FieldNormalizer::hasCacheableSupportsMethod | public | function | Overrides NormalizerBase::hasCacheableSupportsMethod | ||
FieldNormalizer::normalize | public | function | 1 | ||
FieldNormalizer::normalizeFieldItems | protected | function | Helper function to normalize field items. | ||
NormalizerBase::$format | protected | property | List of formats which supports (de-)normalization. | Overrides NormalizerBase::$format | |
NormalizerBase::addCacheableDependency | protected | function | Adds cacheability if applicable. | ||
NormalizerBase::checkFormat | protected | function | Checks if the provided format is supported by this normalizer. | Overrides NormalizerBase::checkFormat | |
NormalizerBase::rasterizeValueRecursive | protected static | function | Rasterizes a value recursively. | ||
NormalizerBase::supportsDenormalization | public | function | Implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface::supportsDenormalization() | 1 | |
NormalizerBase::supportsNormalization | public | function | 1 |
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.