final List<String> roleTypeList = new ArrayList<>();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (fessConfig.isFtpRoleFromFile() && responseData.getUrl().startsWith("ftp:")) {
            final String owner = (String) responseData.getMetaDataMap().get(FtpClient.FTP_FILE_USER);
            if (owner != null) {

                    }
                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
                    if (fessConfig.isSmbRoleFromFile() || fessConfig.isFileRoleFromFile() || fessConfig.isFtpRoleFromFile()) {
                        // head method
                        responseData =
                                client.execute(RequestDataBuilder.newRequestData().head().url(url).weight(urlQueue.getWeight()).build());