3 namespace Drupal\link\Plugin\Validation\Constraint;
5 use Drupal\link\LinkItemInterface;
6 use Symfony\Component\Validator\Constraint;
7 use Symfony\Component\Validator\ConstraintValidator;
10 * Constraint validator for links receiving data allowed by its settings.
12 class LinkTypeConstraintValidator extends ConstraintValidator {
17 public function validate($value, Constraint $constraint) {
21 /** @var $link_item \Drupal\link\LinkItemInterface */
23 $link_type = $link_item->getFieldDefinition()->getSetting('link_type');
25 // Try to resolve the given URI to a URL. It may fail if it's schemeless.
27 $url = $link_item->getUrl();
29 catch (\InvalidArgumentException $e) {
30 $uri_is_valid = FALSE;
33 // If the link field doesn't support both internal and external links,
34 // check whether the URL (a resolved URI) is in fact violating either
36 if ($uri_is_valid && $link_type !== LinkItemInterface::LINK_GENERIC) {
37 if (!($link_type & LinkItemInterface::LINK_EXTERNAL) && $url->isExternal()) {
38 $uri_is_valid = FALSE;
40 if (!($link_type & LinkItemInterface::LINK_INTERNAL) && !$url->isExternal()) {
41 $uri_is_valid = FALSE;
46 $this->context->addViolation($constraint->message, ['@uri' => $link_item->uri]);