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43 lines
1.4 KiB
Markdown
43 lines
1.4 KiB
Markdown
Group Chat Invitations
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======================
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[Back](index.md)
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The group chat invitation extension is used to invite other users to a
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group chat room.
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* Inviting Other Users
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* Listen for Invitations
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**XEP related:** N/A -- this protocol is outdated now that the Multi-User Chat (MUC) XEP is available ([XEP-45](http://www.xmpp.org/extensions/xep-0045.html)). However, most existing clients still use this older protocol. Once MUC support becomes more widespread, this API may be deprecated.
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Inviting Other Users
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--------------------
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To use the GroupChatInvitation packet extension to invite another user to a
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group chat room, address a new message to the user and set the room name
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appropriately, as in the following code example:
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```
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Message message = new Message("user@chat.example.com", "Join me for a group chat!");
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message.addExtension(new GroupChatInvitation("room@chat.example.com"));
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con.sendStanza(message);
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```
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The XML generated for the invitation portion of the code above would be:
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```
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<x xmlns="jabber:x:conference" jid="room@chat.example.com"/>
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```
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Listening for Invitations
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-------------------------
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To listen for group chat invitations, use a StanzaExtensionFilter for the `x`
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element name and `jabber:x:conference` namespace, as in the following code
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example:
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```
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StanzaFilter filter = new StanzaExtensionFilter("x", "jabber:x:conference");
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// Create a packet collector or packet listeners using the filter...
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```
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