public function PrimitiveTypeConstraintValidator::validate in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/PrimitiveTypeConstraintValidator.php \Drupal\Core\Validation\Plugin\Validation\Constraint\PrimitiveTypeConstraintValidator::validate()

File

core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/PrimitiveTypeConstraintValidator.php, line 28

Class

PrimitiveTypeConstraintValidator

Validates the PrimitiveType constraint.

Namespace

Drupal\Core\Validation\Plugin\Validation\Constraint

Code

public function validate($value, Constraint $constraint) {
  if (!isset($value)) {
    return;
  }
  $typed_data = $this
    ->getTypedData();
  $valid = TRUE;
  if ($typed_data instanceof BinaryInterface && !is_resource($value)) {
    $valid = FALSE;
  }
  if ($typed_data instanceof BooleanInterface && !(is_bool($value) || $value === 0 || $value === '0' || $value === 1 || $value == '1')) {
    $valid = FALSE;
  }
  if ($typed_data instanceof FloatInterface && filter_var($value, FILTER_VALIDATE_FLOAT) === FALSE) {
    $valid = FALSE;
  }
  if ($typed_data instanceof IntegerInterface && filter_var($value, FILTER_VALIDATE_INT) === FALSE) {
    $valid = FALSE;
  }
  if ($typed_data instanceof StringInterface && !is_scalar($value) && !$value instanceof MarkupInterface) {
    $valid = FALSE;
  }

  // Ensure that URIs comply with http://tools.ietf.org/html/rfc3986, which
  // requires:
  // - That it is well formed (parse_url() returns FALSE if not).
  // - That it contains a scheme (parse_url(, PHP_URL_SCHEME) returns NULL if
  //   not).
  if ($typed_data instanceof UriInterface && in_array(parse_url($value, PHP_URL_SCHEME), [
    NULL,
    FALSE,
  ], TRUE)) {
    $valid = FALSE;
  }

  // @todo: Move those to separate constraint validators.
  try {
    if ($typed_data instanceof DateTimeInterface && $typed_data
      ->getDateTime() && $typed_data
      ->getDateTime()
      ->hasErrors()) {
      $valid = FALSE;
    }
    if ($typed_data instanceof DurationInterface && $typed_data
      ->getDuration() && !$typed_data
      ->getDuration() instanceof \DateInterval) {
      $valid = FALSE;
    }
  } catch (\Exception $e) {

    // Invalid durations or dates might throw exceptions.
    $valid = FALSE;
  }
  if (!$valid) {

    // @todo: Provide a good violation message for each problem.
    $this->context
      ->addViolation($constraint->message, [
      '%value' => is_object($value) ? get_class($value) : (is_array($value) ? 'Array' : (string) $value),
    ]);
  }
}