class FieldItemNormalizer in Drupal 9
Same name in this branch
- 9 core/modules/jsonapi/src/Normalizer/FieldItemNormalizer.php \Drupal\jsonapi\Normalizer\FieldItemNormalizer
- 9 core/modules/hal/src/Normalizer/FieldItemNormalizer.php \Drupal\hal\Normalizer\FieldItemNormalizer
- 9 core/modules/serialization/src/Normalizer/FieldItemNormalizer.php \Drupal\serialization\Normalizer\FieldItemNormalizer
Same name and namespace in other branches
- 8 core/modules/hal/src/Normalizer/FieldItemNormalizer.php \Drupal\hal\Normalizer\FieldItemNormalizer
Converts the Drupal field item object structure to HAL array structure.
Hierarchy
- class \Drupal\serialization\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\SerializerAwareInterface, CacheableNormalizerInterface uses \Symfony\Component\Serializer\SerializerAwareTrait
- class \Drupal\hal\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface
- class \Drupal\hal\Normalizer\FieldItemNormalizer uses FieldableEntityNormalizerTrait, SerializedColumnNormalizerTrait
- class \Drupal\hal\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface
Expanded class hierarchy of FieldItemNormalizer
1 file declares its use of FieldItemNormalizer
- FieldNormalizerDenormalizeExceptionsTest.php in core/
modules/ hal/ tests/ src/ Unit/ FieldNormalizerDenormalizeExceptionsTest.php
1 string reference to 'FieldItemNormalizer'
- hal.services.yml in core/
modules/ hal/ hal.services.yml - core/modules/hal/hal.services.yml
1 service uses FieldItemNormalizer
File
- core/
modules/ hal/ src/ Normalizer/ FieldItemNormalizer.php, line 14
Namespace
Drupal\hal\NormalizerView source
class FieldItemNormalizer extends NormalizerBase {
use FieldableEntityNormalizerTrait;
use SerializedColumnNormalizerTrait;
/**
* {@inheritdoc}
*/
protected $supportedInterfaceOrClass = FieldItemInterface::class;
/**
* {@inheritdoc}
*/
public function normalize($field_item, $format = NULL, array $context = []) {
// The values are wrapped in an array, and then wrapped in another array
// keyed by field name so that field items can be merged by the
// FieldNormalizer. This is necessary for the EntityReferenceItemNormalizer
// to be able to place values in the '_links' array.
$field = $field_item
->getParent();
return [
$field
->getName() => [
$this
->normalizedFieldValues($field_item, $format, $context),
],
];
}
/**
* {@inheritdoc}
*/
public function denormalize($data, $class, $format = NULL, array $context = []) {
if (!isset($context['target_instance'])) {
throw new InvalidArgumentException('$context[\'target_instance\'] must be set to denormalize with the FieldItemNormalizer');
}
if ($context['target_instance']
->getParent() == NULL) {
throw new InvalidArgumentException('The field item passed in via $context[\'target_instance\'] must have a parent set.');
}
$field_item = $context['target_instance'];
$this
->checkForSerializedStrings($data, $class, $field_item);
// If this field is translatable, we need to create a translated instance.
if (isset($data['lang'])) {
$langcode = $data['lang'];
unset($data['lang']);
$field_definition = $field_item
->getFieldDefinition();
if ($field_definition
->isTranslatable()) {
$field_item = $this
->createTranslatedInstance($field_item, $langcode);
}
}
$field_item
->setValue($this
->constructValue($data, $context));
return $field_item;
}
/**
* Normalizes field values for an item.
*
* @param \Drupal\Core\Field\FieldItemInterface $field_item
* The field item instance.
* @param string|null $format
* The normalization format.
* @param array $context
* The context passed into the normalizer.
*
* @return array
* An array of field item values, keyed by property name.
*/
protected function normalizedFieldValues(FieldItemInterface $field_item, $format, array $context) {
$normalized = [];
// We normalize each individual property, so each can do their own casting,
// if needed.
/** @var \Drupal\Core\TypedData\TypedDataInterface $property */
$field_properties = !empty($field_item
->getProperties(TRUE)) ? TypedDataInternalPropertiesHelper::getNonInternalProperties($field_item) : $field_item
->getValue();
foreach ($field_properties as $property_name => $property) {
$normalized[$property_name] = $this->serializer
->normalize($property, $format, $context);
}
if (isset($context['langcode'])) {
$normalized['lang'] = $context['langcode'];
}
return $normalized;
}
/**
* Get a translated version of the field item instance.
*
* To indicate that a field item applies to one translation of an entity and
* not another, the property path must originate with a translation of the
* entity. This is the reason for using target_instances, from which the
* property path can be traversed up to the root.
*
* @param \Drupal\Core\Field\FieldItemInterface $item
* The untranslated field item instance.
* @param $langcode
* The langcode.
*
* @return \Drupal\Core\Field\FieldItemInterface
* The translated field item instance.
*/
protected function createTranslatedInstance(FieldItemInterface $item, $langcode) {
// Remove the untranslated item that was created for the default language
// by FieldNormalizer::denormalize().
$items = $item
->getParent();
$delta = $item
->getName();
unset($items[$delta]);
// Instead, create a new item for the entity in the requested language.
$entity = $item
->getEntity();
$entity_translation = $entity
->hasTranslation($langcode) ? $entity
->getTranslation($langcode) : $entity
->addTranslation($langcode);
$field_name = $item
->getFieldDefinition()
->getName();
return $entity_translation
->get($field_name)
->appendItem();
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
CacheableNormalizerInterface:: |
constant | Name of key for bubbling cacheability metadata via serialization context. | ||
FieldableEntityNormalizerTrait:: |
protected | property | The entity field manager. | |
FieldableEntityNormalizerTrait:: |
protected | property | The entity type manager. | 1 |
FieldableEntityNormalizerTrait:: |
protected | property | The entity type repository. | |
FieldableEntityNormalizerTrait:: |
protected | function | Build the field item value using the incoming data. | 7 |
FieldableEntityNormalizerTrait:: |
protected | function | Denormalizes entity data by denormalizing each field individually. | |
FieldableEntityNormalizerTrait:: |
protected | function | Determines the entity type ID to denormalize as. | |
FieldableEntityNormalizerTrait:: |
protected | function | Denormalizes the bundle property so entity creation can use it. | |
FieldableEntityNormalizerTrait:: |
protected | function | Returns the entity field manager. | |
FieldableEntityNormalizerTrait:: |
protected | function | Gets the entity type definition. | |
FieldableEntityNormalizerTrait:: |
protected | function | Returns the entity type manager. | |
FieldableEntityNormalizerTrait:: |
protected | function | Returns the entity type repository. | |
FieldItemNormalizer:: |
protected | property |
The interface or class that this Normalizer supports. Overrides NormalizerBase:: |
|
FieldItemNormalizer:: |
protected | function | Get a translated version of the field item instance. | |
FieldItemNormalizer:: |
public | function | ||
FieldItemNormalizer:: |
public | function | 1 | |
FieldItemNormalizer:: |
protected | function | Normalizes field values for an item. | 2 |
NormalizerBase:: |
protected | property |
List of formats which supports (de-)normalization. Overrides NormalizerBase:: |
|
NormalizerBase:: |
protected | function | Adds cacheability if applicable. | |
NormalizerBase:: |
protected | function | Checks if the provided format is supported by this normalizer. | 1 |
NormalizerBase:: |
public | function | Implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface::supportsDenormalization() | 1 |
NormalizerBase:: |
public | function | 1 | |
SerializedColumnNormalizerTrait:: |
protected | function | Checks if there is a serialized string for a column. | |
SerializedColumnNormalizerTrait:: |
protected | function | Checks if the data contains string value for serialize column. | |
SerializedColumnNormalizerTrait:: |
protected | function | Gets the names of all properties the plugin treats as serialized data. | |
SerializedColumnNormalizerTrait:: |
protected | function | Gets the names of all serialized properties. |