public void addRosterToUsers() {

                String tmpUser = "";
                JID innerTmpUser;
                Collection<String> c = conn.getUsernames();

                for (Object o : c) {
                        tmpUser = (String)o;
                        if (tmpUser.equals("admin"))
                                continue;
                        System.out.println("--> Processing roster for user "+ tmpUser);
                        Roster r = new Roster(tmpUser);
                        for (Object inner_o : c) {
                                innerTmpUser = new JID((String)inner_o,"@wonderlight", "Spark");
                                System.out.println(tmpUser + ": Adding user " + innerTmpUser.toString());
                                try {
                                        r.createRosterItem(innerTmpUser, true, true);
                                } catch (UserAlreadyExistsException uae) {
                                        System.out.println("Unable to add "+ innerTmpUser.toString() +" to roster. User already exists.");
                                } catch (SharedGroupException sge) {
                                        System.out.println("Unable to add "+ innerTmpUser.toString() +" to roster. Shared user group exception.");
                                }
                        }
                }
        }