MUCOwner iq = new MUCOwner();
iq.setTo(room);
iq.setType(IQ.Type.GET);
// Set the specified affiliation. This may request the list of owners/admins/members/outcasts.
MUCOwner.Item item = new MUCOwner.Item(affiliation);
iq.addItem(item);
// Wait for a response packet back from the server.
PacketFilter responseFilter = new PacketIDFilter(iq.getPacketID());
PacketCollector response = connection.createPacketCollector(responseFilter);
// Send the request to the server.