public function LinkTypeConstraint::validate in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/link/src/Plugin/Validation/Constraint/LinkTypeConstraint.php \Drupal\link\Plugin\Validation\Constraint\LinkTypeConstraint::validate()

Checks if the passed value is valid.

Parameters

mixed $value The value that should be validated:

Constraint $constraint The constraint for the validation:

Overrides ConstraintValidatorInterface::validate

File

core/modules/link/src/Plugin/Validation/Constraint/LinkTypeConstraint.php, line 49

Contains \Drupal\link\Plugin\Validation\Constraint\LinkTypeConstraint.

Class

LinkTypeConstraint

Validation constraint for links receiving data allowed by its settings.

Namespace

Drupal\link\Plugin\Validation\Constraint

Code

public function validate($value, Constraint $constraint) {
  if (isset($value)) {
    $uri_is_valid = TRUE;

    /** @var $link_item \Drupal\link\LinkItemInterface */
    $link_item = $value;
    $link_type = $link_item
      ->getFieldDefinition()
      ->getSetting('link_type');

    // Try to resolve the given URI to a URL. It may fail if it's schemeless.
    try {
      $url = $link_item
        ->getUrl();
    } catch (\InvalidArgumentException $e) {
      $uri_is_valid = FALSE;
    }

    // If the link field doesn't support both internal and external links,
    // check whether the URL (a resolved URI) is in fact violating either
    // restriction.
    if ($uri_is_valid && $link_type !== LinkItemInterface::LINK_GENERIC) {
      if (!($link_type & LinkItemInterface::LINK_EXTERNAL) && $url
        ->isExternal()) {
        $uri_is_valid = FALSE;
      }
      if (!($link_type & LinkItemInterface::LINK_INTERNAL) && !$url
        ->isExternal()) {
        $uri_is_valid = FALSE;
      }
    }
    if (!$uri_is_valid) {
      $this->context
        ->addViolation($this->message, array(
        '@uri' => $link_item->uri,
      ));
    }
  }
}