/** * Validates file mimetype * @param File $file */ public function validateFile(File $file, $sourceFilePath = null) { $result = $this->checkList($file->getMimeType()); if (!$result) { $message = 'File mimetype "' . $file->getMimeType() . '" is not allowed'; throw new Exception\UploadFilterException(self::EXCEPTION_MESSAGE_KEY, $message); } }