class IsNullConstraintValidator

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/IsNullConstraintValidator.php \Drupal\Core\Validation\Plugin\Validation\Constraint\IsNullConstraintValidator
  2. 10 core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/IsNullConstraintValidator.php \Drupal\Core\Validation\Plugin\Validation\Constraint\IsNullConstraintValidator
  3. 11.x core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/IsNullConstraintValidator.php \Drupal\Core\Validation\Plugin\Validation\Constraint\IsNullConstraintValidator

Null constraint validator.

Overrides the symfony validator to handle empty Typed Data structures.

Hierarchy

Expanded class hierarchy of IsNullConstraintValidator

File

core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/IsNullConstraintValidator.php, line 16

Namespace

Drupal\Core\Validation\Plugin\Validation\Constraint
View source
class IsNullConstraintValidator extends IsNullValidator {
    use TypedDataAwareValidatorTrait;
    
    /**
     * {@inheritdoc}
     */
    public function validate($value, Constraint $constraint) {
        $typed_data = $this->getTypedData();
        if (($typed_data instanceof ListInterface || $typed_data instanceof ComplexDataInterface) && $typed_data->isEmpty()) {
            $value = NULL;
        }
        parent::validate($value, $constraint);
    }

}

Members

Title Sort descending Modifiers Object type Summary
IsNullConstraintValidator::validate public function
TypedDataAwareValidatorTrait::getTypedData public function Gets the typed data object for the validated value.

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