private void clearAllUser(String ipAddr, Enumeration<String> sessions) { if (DCIString.isNullOrEmpty(ipAddr) || sessions == null) { // System.out.println("session destroyed"); } else { String uid = null; String sessionName = null; Singleton s = Singleton.getInstance(); while (sessions.hasMoreElements()) { sessionName = sessions.nextElement(); // System.out.println(sessionName); if (sessionName.indexOf(DCIWebConstants.getUserInfoTag()) != -1) { uid = sessionName.replace(DCIWebConstants.getUserInfoTag(), ""); s.removeLicenseUser(uid, ipAddr); s.removeOnlineUser(uid, ipAddr); } } } }