for (Item item : protocol.cast(XMucAdmin.class).getItem()) {
// 同Nickname多JID
for (JID each : this.mapping.mapping(item.actor(context.jid()).group(group))) {
MucRelation relation = super.ourRelation(each, group).cast(MucRelation.class);
for (JID to : super.whoSubscribedMe(group)) {
super.findOne(to, true).write(item.presence().add(this.judger.add(new XUser(group, to, room.allowed(to, RoomConfig.WHOISEXISTS)).item(item.hidden(room.allowed(to, RoomConfig.WHOISALLOW, each)).relation(relation.cast(MucRelation.class).role(item.getRole(), true)).actor(context.jid()))).cast(XUser.class)));
}
}
}
return true;
}