} else {
adminMessage = "Message not sent to " + jidStr + ": internal service error.";
}
} else if (jid != null && command.equals("invite")) {
xmpp.sendInvitation(jid);
adminMessage = "Chat message sent to JID " + jidStr + ".";
} else if (jid != null && command.equals("probe")) {
xmpp.sendPresence(jid, PresenceType.PROBE, null, null);
adminMessage = "A presence probe has been sent to JID " + jidStr + ".";