logger.warn("Could not parse a value of {}", xpath);
        }
        if (buf == null) {
            return null;
        }
        return buf.toString().trim();
    }

    /**
     * Recursively parses text content from a node and its children.
     *
     * @param node the node to parse
     * @param buf the StringBuilder to append content to
     */

                                if (!groupList.contains(value) && !roleList.contains(value)) {
                                    if (logger.isDebugEnabled()) {
                                        logger.debug("[getParentGroup] Recursively getting parent groups for: {}", value);
                                    }
                                    final Pair<String[], String[]> groupsAndRoles = getParentGroup(user, value, depth + 1);