- public int handleCommand(final Namespace ns, final Manager m) {
- if (!m.isRegistered()) {
- System.err.println("User is not registered.");
- return 1;
- }
-
- for (String contact_number : ns.<String>getList("contact")) {
+ public void handleCommand(
+ final Namespace ns, final Manager m, final OutputWriter outputWriter
+ ) throws CommandException {
+ final var contacts = ns.<String>getList("recipient");
+ for (var contact : CommandUtil.getSingleRecipientIdentifiers(contacts, m.getUsername())) {