IM ASmack

===============================================================  
主动发送信息给某个用户  
------------------------------------  
XMPPConnection.DEBUG_ENABLED = true;  
//设置服务器地址  
XMPPConnection conn = new XMPPConnection("127.0.0.1");   
conn.connect();  
//输入账号和密码登陆  
conn.login("test2@127.0.0.1", "123456");   
//创建一个和test1的对话，并设置信息监听  
Chat mychat = conn.getManager().create("test1@127.0.0.1",  
        new MessageListener() {  
            @Override  
            public void processMessage(Chat chat,, Message message) {  
                String messageBody = message.getBody();  
                System.out.println("收到信息："+messageBody);  
            }  
});  
//发送给test1文本信息  
mychat.sendMessage("hello");  
//退出登陆  
conn.disconnect();  
===============================================================  
设置自己的登陆状态  
------------------------------------  
XMPPConnection.DEBUG_ENABLED = true;  
//设置服务器地址  
XMPPConnection conn = new XMPPConnection("127.0.0.1");   
conn.connect();  
//输入账号和密码登陆  
conn.login("test2@127.0.0.1", "123456");   
  
//设置登陆后的个人状态信息  
Presence p = new Presence(Presence.Type.available);  
p.setStatus("发呆中。。。");  
conn.sendPacket(p);  
  
//退出登陆  
conn.disconnect();  
==========================================================================  
被动接收用户发来的信息  
------------------------------------  
XMPPConnection.DEBUG_ENABLED = true;  
//设置服务器地址  
XMPPConnection conn = new XMPPConnection("127.0.0.1");   
conn.connect();  
//输入账号和密码登陆  
conn.login("test1@127.0.0.1", "123456");   
//设置信息的监听  
conn.getChatManager().addChatListener(new ChatManagerListener() {  
    @Override  
    public void chatCreated(Chat chat, boolean createdLocally) {  
        chat.addMessageListener(new MessageListener() {  
            @Override  
            public void processMessage(Chat chat, Message message) {  
                String messageBody = message.getBody();   
                System.out.println("接收到信息："+messageBody);                 
            }  
        });  
    }  
});  
//退出登陆  
conn.disconnect();  
==========================================================================  
获取我的好友列表  
------------------------------------  
//设置服务器地址  
XMPPConnection conn = new XMPPConnection("127.0.0.1");   
conn.connect();  
//输入账号和密码登陆  
conn.login("test1@127.0.0.1", "123456");   
Collection<RosterEntry> rosters = conn.getRoster().getEntries();  
System.out.println("我的好友列表：=======================");  
for(RosterEntry rosterEntry : rosters){  
    System.out.print("name: "+rosterEntry.getName()+",jid: "+rosterEntry.getUser());  
    System.out.println("");  
}  
System.out.println("我的好友列表：=======================");  
  
conn.disconnect();  
==========================================================================  
聊天窗口输入状态，使用XEP-0085 协议  
------------------------------------  
//发送给test1初始文本信息,附带输入状态  
Message mess = new Message();  
mess.addExtension(new ChatStateExtension(ChatState.active));  
mychat.sendMessage(mess);  
//发送给test1初始文本信息,附带正在输入的状态  
Message mess = new Message();  
mess.addExtension(new ChatStateExtension(ChatState.composing));  
mychat.sendMessage(mess);  
  
//发送给test1初始文本信息,附带暂停输入的状态  
Message mess = new Message();  
mess.addExtension(new ChatStateExtension(ChatState.paused));  
mychat.sendMessage(mess);  
//其他略。。。  
  
//接收的时候  
public void processMessage(Chat chat, Message message) {  
    String messageBody = message.getBody();  
    PacketExtension pe;  
      
    pe = message.getExtension("composing","http://jabber.org/protocol/chatstates");  
    if(pe != null){  
        System.out.println("对方正在输入......");  
    }  
      
    pe = message.getExtension("active","http://jabber.org/protocol/chatstates");  
    if(pe != null){  
        System.out.println("接收到信息："+messageBody);  
    }  
  
    pe = message.getExtension("paused","http://jabber.org/protocol/chatstates");  
    if(pe != null){  
        System.out.println("对方已暂停输入");  
    }  
  
    pe = message.getExtension("inactive","http://jabber.org/protocol/chatstates");  
    if(pe != null){  
        System.out.println("对方聊天窗口失去焦点");  
    }  
  
    pe = message.getExtension("gone","http://jabber.org/protocol/chatstates");  
    if(pe != null){  
        System.out.println("对方聊天窗口被关闭");  
    }  
}  
==========================================================================  
接收邀请，加入多人聊天房间  
------------------------------------  
MultiUserChat.addInvitationListener(conn, new InvitationListener() {  
    @Override  
    public void invitationReceived(XMPPConnection conn, String room,  
            String inviter, String reason, String password, Message message) {  
        MultiUserChat multiUserChat = new MultiUserChat(conn, room);  
        System.out.println("收到来自 "+inviter+" 的聊天室邀请。邀请附带内容："+reason);  
        try {  
            multiUserChat.join("test2", password);  
        } catch (XMPPException e) {  
            System.out.println("加入聊天室失败");  
            e.printStackTrace();  
        }  
        System.out.println("成功加入聊天室");  
        multiUserChat.addMessageListener(new PacketListener() {  
            @Override  
            public void processPacket(Packet packet) {  
                Message message = (Message)packet;  
                //接收来自聊天室的聊天信息  
                System.out.println(message.getFrom()+":"+message.getBody());  
            }  
        });  
    }  
    //发送信息到聊天室  
    multiUserChat.sendMessage("新手到来，大家关照！");  
});  
  
==========================================================================  
登陆gtalk  
------------------------------------  
XMPPConnection conn = new XMPPConnection(new ConnectionConfiguration("talk.google.com", 5222, "gmail.com"));  
conn.connect();  
//输入gtalk的账号密码  
conn.login("88888888", "8888888888");   
Collection<RosterEntry> rosters = conn.getRoster().getEntries();  
//获取gtalk上的好友列表  
System.out.println("我的好友列表：=======================");    
for(RosterEntry rosterEntry : rosters){  
    System.out.print("name: "+rosterEntry.getName()+",jid: "+rosterEntry.getUser());  
    System.out.println("");  
}  
System.out.println("我的好友列表：=======================");  
  
conn.disconnect();