Version 1

[yaffs-website] / web / core / modules / file / src / Plugin / Validation / Constraint / FileUriUnique.php

diff --git a/web/core/modules/file/src/Plugin/Validation/Constraint/FileUriUnique.php b/web/core/modules/file/src/Plugin/Validation/Constraint/FileUriUnique.php
new file mode 100644 (file)
index 0000000..080e46f
--- /dev/null
+++ b/web/core/modules/file/src/Plugin/Validation/Constraint/FileUriUnique.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\file\Plugin\Validation\Constraint;
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * Supports validating file URIs.
+ *
+ * @Constraint(
+ *   id = "FileUriUnique",
+ *   label = @Translation("File URI", context = "Validation")
+ * )
+ */
+class FileUriUnique extends Constraint {
+
+  public $message = 'The file %value already exists. Enter a unique file URI.';
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validatedBy() {
+    return '\Drupal\Core\Validation\Plugin\Validation\Constraint\UniqueFieldValueValidator';
+  }
+
+}