我使用Smack API编写我的Google Talk客户端。现在我需要处理添加请求。 我将SubscriptionMode设置为手动&现在我必须注册一个存在数据包的监听器,但我不知道如何! 任何人都可以帮忙吗?
答案 0 :(得分:9)
我还没有尝试过,但我想下面应该可行。如果使用手动模式,则应注册PacketListener以侦听类型为Presence.Type.subscribe
的Presence数据包。
首先设置名单:
Roster roster = connection.getRoster();
roster.setSubscriptionMode(Roster.SubscriptionMode.manual);
然后将数据包列表器添加到上述连接中,例如:
connection.addPacketListener(new SubscriptionListener(), new PacketFilter(){
public boolean accept(Packet packet) {
if(packet instanceof Presence)
if(((Presence)packet).getType().equals(Presence.Type.subscribe))
return true;
return false;
}});
上述代码只对所有请求返回true,但您可以自定义它,即根据用户GUI输入将其设置为true或false。
答案 1 :(得分:5)
public static void admitFriendsRequest() {
connection.getRoster().setSubscriptionMode(
Roster.SubscriptionMode.manual);
connection.addPacketListener(new PacketListener() {
public void processPacket(Packet paramPacket) {
System.out.println("\n\n");
if (paramPacket instanceof Presence) {
Presence presence = (Presence) paramPacket;
String email = presence.getFrom();
System.out.println("chat invite status changed by user: : "
+ email + " calling listner");
System.out.println("presence: " + presence.getFrom()
+ "; type: " + presence.getType() + "; to: "
+ presence.getTo() + "; " + presence.toXML());
Roster roster = connection.getRoster();
for (RosterEntry rosterEntry : roster.getEntries()) {
System.out.println("jid: " + rosterEntry.getUser()
+ "; type: " + rosterEntry.getType()
+ "; status: " + rosterEntry.getStatus());
}
System.out.println("\n\n\n");
if (presence.getType().equals(Presence.Type.subscribe)) {
Presence newp = new Presence(Presence.Type.subscribed);
newp.setMode(Presence.Mode.available);
newp.setPriority(24);
newp.setTo(presence.getFrom());
connection.sendPacket(newp);
Presence subscription = new Presence(
Presence.Type.subscribe);
subscription.setTo(presence.getFrom());
connection.sendPacket(subscription);
} else if (presence.getType().equals(
Presence.Type.unsubscribe)) {
Presence newp = new Presence(Presence.Type.unsubscribed);
newp.setMode(Presence.Mode.available);
newp.setPriority(24);
newp.setTo(presence.getFrom());
connection.sendPacket(newp);
}
}
}
}, new PacketFilter() {
public boolean accept(Packet packet) {
if (packet instanceof Presence) {
Presence presence = (Presence) packet;
if (presence.getType().equals(Presence.Type.subscribed)
|| presence.getType().equals(
Presence.Type.subscribe)
|| presence.getType().equals(
Presence.Type.unsubscribed)
|| presence.getType().equals(
Presence.Type.unsubscribe)) {
return true;
}
}
return false;
}
});
connection.getRoster().addRosterListener(new RosterListener() {
public void presenceChanged(Presence presence) {
System.out.println(presence.getFrom() + "presenceChanged");
}
public void entriesUpdated(Collection<String> presence) {
System.out.println("entriesUpdated");
}
public void entriesDeleted(Collection<String> presence) {
System.out.println("entriesDeleted");
}
public void entriesAdded(Collection<String> presence) {
System.out.println("entriesAdded");
}
});
}