private static String encodeNode(String name) {
        return StringUtils.encodeBase32(name);
    }
Encode the given group name in base32hex (UTF-8). This encoding
is valid according to the nodeprep profile of stringprep
(RFC6122, Appendix A) and needs no further escaping.

@param name A group name
@return The encoded group name
xmppserver/src/main/java/org/jivesoftware/openfire/group/GroupJID.java