*
     * @param prefix the path prefix to list objects under
     * @return list of file and directory information maps
     */
    public static List<Map<String, Object>> getFileItems(final String prefix) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final List<Map<String, Object>> list = new ArrayList<>();
        final List<Map<String, Object>> fileList = new ArrayList<>();