Merge "Treat langtags in SVG switch case-insensitively"

[lhc/web/wiklou.git] / includes / filerepo / file / File.php

diff --git a/includes/filerepo/file/File.php b/includes/filerepo/file/File.php
index 54bd0a5..827f4ca 100644 (file)
--- a/includes/filerepo/file/File.php
+++ b/includes/filerepo/file/File.php
@@ -581,6 +581,25 @@ abstract class File implements IDBAccessObject {
                }
        }
 
+       /**
+        * Get the language code from the available languages for this file that matches the language
+        * requested by the user
+        *
+        * @param string $userPreferredLanguage
+        * @return string|null
+        */
+       public function getMatchedLanguage( $userPreferredLanguage ) {
+               $handler = $this->getHandler();
+               if ( $handler && method_exists( $handler, 'getMatchedLanguage' ) ) {
+                       return $handler->getMatchedLanguage(
+                               $userPreferredLanguage,
+                               $handler->getAvailableLanguages( $this )
+                       );
+               } else {
+                       return null;
+               }
+       }
+
        /**
         * In files that support multiple language, what is the default language
         * to use if none specified.