HashMap whoisRef = new HashMap(); public void getUserHost(final String userName, String level) { whoisRef.put(userName.toLowerCase(), level); sendRawLine("WHOIS "+ userName); } public void onServerResponse(int code, String response) { if(code == RPL_WHOISUSER) { String parts[] = response.split(" "); String userName = parts[1].toLowerCase(); if(whoisRef.containsKey(userName)) { // nick doMyDBStuff(userName, parts[3], whoisRef.get(userName)); whoisRef.remove(userName); } } }