@Override
public void removeUsers(User user) {
if (user.isRoot() || user.isGuest()) {
throw new IllegalRemovalException("You can't remove " + user.getName());
} else {
super.removeUsers(user);
}
}
protected void removeUsers(String username) throws IllegalRemovalException, UserUnknownException {
hasUser(username);
if (username.equals(ROOT_USER)) throw new IllegalRemovalException(username);
else {
User toRemove = getUserByUsername(username);
toRemove.remove();
super.removeUsers(toRemove);
}
}