public function PrimitiveTypeConstraintValidator::validate

Implements \Symfony\Component\Validator\ConstraintValidatorInterface::validate().

Overrides ConstraintValidatorInterface::validate

File

drupal/core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/PrimitiveTypeConstraintValidator.php, line 24

Contains \Drupal\Core\Validation\Plugin\Validation\Constraint\PrimitiveTypeConstraintValidator.

Class

PrimitiveTypeConstraintValidator

Validates the PrimitiveType constraint.

Namespace

Code

public function validate($value, Constraint $constraint) {
  if (!isset($value)) {
    return;
  }
  switch ($constraint->type) {
    case Primitive::BINARY:
      $valid = is_resource($value);
      break;
    case Primitive::BOOLEAN:
      $valid = is_bool($value) || $value === 0 || $value === '0' || $value === 1 || $value == '1';
      break;
    case Primitive::DATE:
      $valid = $value instanceof DrupalDateTime && !$value
        ->hasErrors();
      break;
    case Primitive::DURATION:
      $valid = $value instanceof DateInterval;
      break;
    case Primitive::FLOAT:
      $valid = filter_var($value, FILTER_VALIDATE_FLOAT) !== FALSE;
      break;
    case Primitive::INTEGER:
      $valid = filter_var($value, FILTER_VALIDATE_INT) !== FALSE;
      break;
    case Primitive::STRING:

      // PHP integers, floats or booleans are valid strings also, so we
      // cannot use is_string() here.
      $valid = is_scalar($value);
      break;
    case Primitive::URI:
      $valid = filter_var($value, FILTER_VALIDATE_URL);
      break;
    default:
      $valid = FALSE;
      break;
  }
  if (!$valid) {
    $this->context
      ->addViolation($constraint->message, array(
      '%value' => is_object($value) ? get_class($value) : (is_array($value) ? 'Array' : (string) $value),
      '%type' => $constraint->type,
    ));
  }
}