public String[] getUserList() throws RemoteException {
Vector<String> res = new Vector<String>();
for (ChatUser CU : userstable.values()) {
res.add(CU.getName());
}
return res.toArray(new String[] {});
}
public void leaveUser(ChatUser u) throws RemoteException {
if (userstable.containsKey(u.getName())) {
userstable.remove(u.getName());
broadcastLeaving(u.getName());
}
}
public void joinUser(ChatUser u) throws java.rmi.RemoteException {
if (!userstable.containsKey(u.getName())) {
userstable.put(u.getName(), u);
broadcastJoining(u.getName());
}
}