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60 lines
1.9 KiB
HTML
60 lines
1.9 KiB
HTML
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<html>
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<head>
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<title>Group Chat Invitations</title>
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<link rel="stylesheet" type="text/css" href="style.css" />
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</head>
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<body>
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<div class="header">Group Chat Invitations</div><p>
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The group chat invitation packet extension is used to invite other
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users to a group chat room.
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<ul>
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<li><a href="#send">Inviting Other Users</a></li>
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<li><a href="#listen">Listen for Invitations</a></li>
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</ul>
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<p>
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<b>JEP related:</b> N/A -- this protocol is outdated now that the Multi-User Chat (MUC) JEP is available
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(<a href="http://www.jabber.org/jeps/jep-0045.html">JEP-45</a>). However, most
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existing clients still use this older protocol. Once MUC support becomes more
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widespread, this API may be deprecated.
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<hr>
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<p><div class="subheader"><a name="send">Inviting Other Users</a></div><p>
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To use the GroupChatInvitation packet extension
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to invite another user to a group chat room, address a new message to the
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user and set the room name appropriately, as in the following code example:
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<pre>
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Message message = new Message(<font color="#0000FF">"user@chat.example.com"</font>);
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message.setBody(<font color="#0000FF">"Join me for a group chat!"</font>);
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message.addExtension(new GroupChatInvitation(<font color="#0000FF">"room@chat.example.com"</font>));
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con.sendPacket(message);
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</pre>
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The XML generated for the invitation portion of the code above would be:
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<pre>
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<x xmlns="jabber:x:conference" jid="room@chat.example.com"/>
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</pre><p>
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<hr>
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<div class="subheader"><a name="listen">Listening for Invitations</a></div><p>
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To listen for group chat invitations, use a PacketExtensionFilter for the
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<tt>x</tt> element name and <tt>jabber:x:conference</tt> namespace, as in the
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following code example:
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<pre>
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PacketFilter filter = new PacketExtensionFilter(<font color="#0000FF">"x"</font>, <font color="#0000FF">"jabber:x:conference"</font>);
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<font color="#3f7f5f">// Create a packet collector or packet listeners using the filter...</font>
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</pre>
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</body>
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</html>
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