PrimitiveDataNormalizer.php

Same filename in other branches
  1. 9 core/modules/serialization/src/Normalizer/PrimitiveDataNormalizer.php
  2. 10 core/modules/serialization/src/Normalizer/PrimitiveDataNormalizer.php
  3. 11.x core/modules/serialization/src/Normalizer/PrimitiveDataNormalizer.php

Namespace

Drupal\serialization\Normalizer

File

core/modules/serialization/src/Normalizer/PrimitiveDataNormalizer.php

View source
<?php

namespace Drupal\serialization\Normalizer;

use Drupal\Core\Field\FieldItemInterface;
use Drupal\Core\TypedData\PrimitiveInterface;

/**
 * Converts primitive data objects to their casted values.
 */
class PrimitiveDataNormalizer extends NormalizerBase {
    use SerializedColumnNormalizerTrait;
    
    /**
     * {@inheritdoc}
     */
    protected $supportedInterfaceOrClass = PrimitiveInterface::class;
    
    /**
     * {@inheritdoc}
     */
    public function normalize($object, $format = NULL, array $context = []) {
        $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();
    }

}

Classes

Title Deprecated Summary
PrimitiveDataNormalizer Converts primitive data objects to their casted values.

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