3 namespace Drupal\file\Plugin\Validation\Constraint;
5 use Symfony\Component\Validator\Constraint;
8 * Supports validating file URIs.
11 * id = "FileUriUnique",
12 * label = @Translation("File URI", context = "Validation")
15 class FileUriUnique extends Constraint {
17 public $message = 'The file %value already exists. Enter a unique file URI.';
22 public function validatedBy() {
23 return '\Drupal\Core\Validation\Plugin\Validation\Constraint\UniqueFieldValueValidator';