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Adds documentation about "Provide node information" 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2324 b35dd754-fafc-0310-a699-88a17e54d16e
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Gaston Dombiak 2004-06-07 01:37:41 +00:00 committed by gdombiak
parent 4f4f8c62d3
commit 5e612ae222
1 changed files with 55 additions and 12 deletions
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documentation/extensions/disco.html
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@ -13,6 +13,7 @@ entities. Follow these links to learn how to use this extension.
<ul>
<li><a href="#discoregister">Manage XMPP entity features</a></li>
<li><a href="#disconodeinfo">Provide node information</a></li>
<li><a href="#discoitems">Discover items associated with an XMPP entity</a></li>
<li><a href="#discoinfo">Discover information about an XMPP entity</a></li>
<li><a href="#discopublish">Publish publicly available items</a></li>
@ -30,10 +31,6 @@ information. Therefore, your Smack client may receive a discovery request that m
to (i.e., if your client supports XHTML-IM). This extension automatically responds to a
discovery request with the information that you previously configured.</p>
<p>
Note: This version only allows you to configure supported features by the client. In future
version we will add the ability to configure associated items within the Smack client.</p>
<b>Usage</b><p>
In order to configure the supported features by your client you should first obtain the
@ -42,9 +39,9 @@ send <b>getInstanceFor(connection)</b> to the class <i><b>ServiceDiscoveryManage
connection is your XMPPConnection.<br></p>
<p>Once you have your ServiceDiscoveryManager you will be able to manage the supported features. To
register a new feature send <b>addFeature(feature)</b> to your <i><b>ServiceDiscoveryManager</i></b>
register a new feature send <b>addFeature(feature)</b> to your <i><b>ServiceDiscoveryManager</b></i>
where feature is a String that represents the supported feature. To remove a supported feature send
<b>removeFeature(feature)</b> to your <i><b>ServiceDiscoveryManager</i></b> where feature is a
<b>removeFeature(feature)</b> to your <i><b>ServiceDiscoveryManager</b></i> where feature is a
String that represents the feature to remove.</p>
<b>Examples</b><p>
@ -64,6 +61,52 @@ In this example we can see how to add and remove supported features: <br>
<hr>
<div class="subheader"><a name="disconodeinfo">Provide node information</a></div><p>
<b>Description</b><p>
Your XMPP entity may receive a discovery request for items non-addressable as a JID such as
the MUC rooms where you are joined. In order to answer the correct information it is necessary
to configure the information providers associated to the items/nodes within the Smack client.</p>
<b>Usage</b><p>
In order to configure the associated nodes within the Smack client you will need to create a
NodeInformationProvider and register it with the <i><b>ServiceDiscoveryManager</b></i>. To get
your ServiceDiscoveryManager send <b>getInstanceFor(connection)</b> to the class <i><b>ServiceDiscoveryManager</b></i>
where connection is your XMPPConnection.<br></p>
<p>Once you have your ServiceDiscoveryManager you will be able to register information providers
for the XMPP entity's nodes. To register a new node information provider send <b>setNodeInformationProvider(String node, NodeInformationProvider listener)</b>
to your <i><b>ServiceDiscoveryManager</b></i> where node is the item non-addressable as a JID and
listener is the <i><b>NodeInformationProvider</b></i> to register. To unregister a <i><b>NodeInformationProvider</b></i>
send <b>removeNodeInformationProvider(String node)</b> to your <i><b>ServiceDiscoveryManager</b></i> where
node is the item non-addressable as a JID whose information provider we want to unregister.</p>
<b>Examples</b><p>
In this example we can see how to register a NodeInformationProvider with a ServiceDiscoveryManager that will provide
information concerning a node named "http://jabber.org/protocol/muc#rooms": <br>
<blockquote>
<pre> <font color="#3f7f5f">// Set the NodeInformationProvider that will provide information about the</font>
<font color="#3f7f5f">// joined rooms whenever a disco request is received </font>
ServiceDiscoveryManager.getInstanceFor(connection).setNodeInformationProvider(
<font color="#0000FF">"http://jabber.org/protocol/muc#rooms"</font>,
new NodeInformationProvider() {
public Iterator getNodeItems() {
ArrayList answer = new ArrayList();
Iterator rooms = MultiUserChat.getJoinedRooms(connection);
while (rooms.hasNext()) {
answer.add(new DiscoverItems.Item((String)rooms.next()));
}
return answer.iterator();
}
});
</pre>
</blockquote>
<hr>
<div class="subheader"><a name="discoitems">Discover items associated with an XMPP entity</a></div><p>
<b>Description</b><p>
@ -75,8 +118,8 @@ in an XMPP entity.</p>
<p>Once you have your ServiceDiscoveryManager you will be able to discover items associated with
an XMPP entity. To discover the items of a given XMPP entity send <b>discoverItems(entityID)</b>
to your <i><b>ServiceDiscoveryManager</i></b> where entityID is the ID of the entity. The message
<b>discoverItems(entityID)</b> will answer an instance of <i><b>DiscoverItems</i></b> that contains
to your <i><b>ServiceDiscoveryManager</b></i> where entityID is the ID of the entity. The message
<b>discoverItems(entityID)</b> will answer an instance of <i><b>DiscoverItems</b></i> that contains
the discovered items.</p>
<b>Examples</b><p>
@ -120,8 +163,8 @@ any (e.g., for the purpose of feature negotiation).</p>
<p>Once you have your ServiceDiscoveryManager you will be able to discover information associated with
an XMPP entity. To discover the information of a given XMPP entity send <b>discoverInfo(entityID)</b>
to your <i><b>ServiceDiscoveryManager</i></b> where entityID is the ID of the entity. The message
<b>discoverInfo(entityID)</b> will answer an instance of <i><b>DiscoverInfo</i></b> that contains
to your <i><b>ServiceDiscoveryManager</b></i> where entityID is the ID of the entity. The message
<b>discoverInfo(entityID)</b> will answer an instance of <i><b>DiscoverInfo</b></i> that contains
the discovered information.</p>
<b>Examples</b><p>
@ -164,8 +207,8 @@ is not online (or available).</p>
<p>Once you have your ServiceDiscoveryManager you will be able to publish items to some kind of
persistent storage. To publish the items of a given XMPP entity you have to first create an instance
of <i><b>DiscoverItems</i></b> and configure it with the items to publish. Then you will have to
send <b>publishItems(String entityID, DiscoverItems discoverItems)</b> to your <i><b>ServiceDiscoveryManager</i></b>
of <i><b>DiscoverItems</b></i> and configure it with the items to publish. Then you will have to
send <b>publishItems(String entityID, DiscoverItems discoverItems)</b> to your <i><b>ServiceDiscoveryManager</b></i>
where entityID is the address of the XMPP entity that will persist the items and discoverItems contains the items
to publish.</p>