class PrimitiveDataNormalizer in Drupal 9

Converts primitive data objects to their casted values.

Hierarchy

• class \Drupal\serialization\Normalizer\NormalizerBase implements \Symfony\Component\Serializer\SerializerAwareInterface, CacheableNormalizerInterface uses \Symfony\Component\Serializer\SerializerAwareTrait
  • class \Drupal\serialization\Normalizer\PrimitiveDataNormalizer uses SerializedColumnNormalizerTrait

1 file declares its use of PrimitiveDataNormalizer

PrimitiveDataNormalizerTest.php in core/modules/serialization/tests/src/Unit/Normalizer/PrimitiveDataNormalizerTest.php

1 string reference to 'PrimitiveDataNormalizer'

serialization.services.yml in core/modules/serialization/serialization.services.yml

core/modules/serialization/serialization.services.yml

1 service uses PrimitiveDataNormalizer

serializer.normalizer.primitive_data in core/modules/serialization/serialization.services.yml

Drupal\serialization\Normalizer\PrimitiveDataNormalizer

File

core/modules/serialization/src/Normalizer/PrimitiveDataNormalizer.php, line 11

Namespace

Drupal\serialization\Normalizer

class PrimitiveDataNormalizer extends NormalizerBase {
  use SerializedColumnNormalizerTrait;

  /**
   * {@inheritdoc}
   */
  protected $supportedInterfaceOrClass = PrimitiveInterface::class;

  /**
   * {@inheritdoc}
   */
  public function normalize($object, $format = NULL, array $context = []) {

    // Add cacheability if applicable.
    $this
      ->addCacheableDependency($context, $object);
    $parent = $object
      ->getParent();
    if ($parent instanceof FieldItemInterface && $object
      ->getValue()) {
      $serialized_property_names = $this
        ->getCustomSerializedPropertyNames($parent);
      if (in_array($object
        ->getName(), $serialized_property_names, TRUE)) {
        return unserialize($object
          ->getValue());
      }
    }

    // Typed data casts NULL objects to their empty variants, so for example
    // the empty string ('') for string type data, or 0 for integer typed data.
    // In a better world with typed data implementing algebraic data types,
    // getCastedValue would return NULL, but as typed data is not aware of real
    // optional values on the primitive level, we implement our own optional
    // value normalization here.
    return $object
      ->getValue() === NULL ? NULL : $object
      ->getCastedValue();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY		constant	Name of key for bubbling cacheability metadata via serialization context.
NormalizerBase::$format	protected	property	List of formats which supports (de-)normalization.	3
NormalizerBase::addCacheableDependency	protected	function	Adds cacheability if applicable.
NormalizerBase::checkFormat	protected	function	Checks if the provided format is supported by this normalizer.	1
NormalizerBase::supportsDenormalization	public	function	Implements \Symfony\Component\Serializer\Normalizer\DenormalizerInterface::supportsDenormalization()	1
NormalizerBase::supportsNormalization	public	function		1
PrimitiveDataNormalizer::$supportedInterfaceOrClass	protected	property	The interface or class that this Normalizer supports. Overrides NormalizerBase::$supportedInterfaceOrClass
PrimitiveDataNormalizer::normalize	public	function
SerializedColumnNormalizerTrait::checkForSerializedStrings	protected	function	Checks if there is a serialized string for a column.
SerializedColumnNormalizerTrait::dataHasStringForSerializeColumn	protected	function	Checks if the data contains string value for serialize column.
SerializedColumnNormalizerTrait::getCustomSerializedPropertyNames	protected	function	Gets the names of all properties the plugin treats as serialized data.
SerializedColumnNormalizerTrait::getSerializedPropertyNames	protected	function	Gets the names of all serialized properties.