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Added support to return disco#info features of hosted nodes. SMACK-150
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@4341 b35dd754-fafc-0310-a699-88a17e54d16e
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f9ecbb3297
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3 changed files with 60 additions and 22 deletions
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@ -24,10 +24,11 @@ import java.util.Iterator;
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/**
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* The NodeInformationProvider is responsible for providing information (i.e. DiscoverItems.Item)
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* about a given node. This information will be requested each time this XMPPP client receives a
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* disco items requests on the given node.
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*
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* The NodeInformationProvider is responsible for providing supported features and hosted
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* items (i.e. DiscoverItems.Item) about a given node. This information will be requested
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* each time this XMPPP client receives a disco info or items requests on the given node.
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* each time this XMPPP client receives a disco info or items requests on the given node.
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*
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* @author Gaston Dombiak
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*/
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public interface NodeInformationProvider {
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@ -41,4 +42,13 @@ public interface NodeInformationProvider {
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*/
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public abstract Iterator getNodeItems();
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/**
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* Returns an Iterator on the features defined in the node. For
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* example, the entity caps protocol specifies that an XMPP client
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* should answer with each feature supported by the client version
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* or extension.
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*
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* @return an Iterator on the feature strings defined in the node.
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*/
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public abstract Iterator getNodeFeatures();
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}
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@ -20,12 +20,17 @@
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package org.jivesoftware.smackx;
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import java.util.*;
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import org.jivesoftware.smack.*;
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import org.jivesoftware.smack.filter.*;
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import org.jivesoftware.smack.packet.*;
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import org.jivesoftware.smackx.packet.*;
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import org.jivesoftware.smack.filter.PacketFilter;
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import org.jivesoftware.smack.filter.PacketIDFilter;
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import org.jivesoftware.smack.filter.PacketTypeFilter;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.Packet;
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import org.jivesoftware.smack.packet.XMPPError;
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import org.jivesoftware.smackx.packet.DiscoverInfo;
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import org.jivesoftware.smackx.packet.DiscoverItems;
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import java.util.*;
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/**
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* Manages discovery of services in XMPP entities. This class provides:
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@ -158,19 +163,23 @@ public class ServiceDiscoveryManager {
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response.setType(IQ.Type.RESULT);
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response.setTo(discoverItems.getFrom());
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response.setPacketID(discoverItems.getPacketID());
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response.setNode(discoverItems.getNode());
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// Add the defined items related to the requested node. Look for
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// the NodeInformationProvider associated with the requested node.
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if (getNodeInformationProvider(discoverItems.getNode()) != null) {
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Iterator items =
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getNodeInformationProvider(discoverItems.getNode()).getNodeItems();
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while (items.hasNext()) {
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response.addItem((DiscoverItems.Item) items.next());
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NodeInformationProvider nodeInformationProvider =
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getNodeInformationProvider(discoverItems.getNode());
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if (nodeInformationProvider != null) {
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// Specified node was found
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Iterator items = nodeInformationProvider.getNodeItems();
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if (items != null) {
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while (items.hasNext()) {
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response.addItem((DiscoverItems.Item) items.next());
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}
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}
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} else if(discoverItems.getNode() != null) {
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// Return an <item-not-found/> error since the client
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// doesn't contain the specified node
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response.setNode(discoverItems.getNode());
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// Return <item-not-found/> error since client doesn't contain
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// the specified node
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response.setType(IQ.Type.ERROR);
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response.setError(new XMPPError(404, "item-not-found"));
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}
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@ -192,7 +201,8 @@ public class ServiceDiscoveryManager {
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response.setType(IQ.Type.RESULT);
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response.setTo(discoverInfo.getFrom());
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response.setPacketID(discoverInfo.getPacketID());
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// Add the client's identity and features only if "node" is null
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response.setNode(discoverInfo.getNode());
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// Add the client's identity and features only if "node" is null
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if (discoverInfo.getNode() == null) {
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// Set this client identity
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DiscoverInfo.Identity identity = new DiscoverInfo.Identity("client",
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@ -207,10 +217,24 @@ public class ServiceDiscoveryManager {
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}
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}
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else {
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// Return an <item-not-found/> error since a client doesn't have nodes
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response.setNode(discoverInfo.getNode());
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response.setType(IQ.Type.ERROR);
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response.setError(new XMPPError(404, "item-not-found"));
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// Disco#info was sent to a node. Check if we have information of the
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// specified node
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NodeInformationProvider nodeInformationProvider =
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getNodeInformationProvider(discoverInfo.getNode());
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if (nodeInformationProvider != null) {
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// Node was found. Add node features
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Iterator features = nodeInformationProvider.getNodeFeatures();
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if (features != null) {
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while (features.hasNext()) {
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response.addFeature((String) features.next());
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}
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}
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}
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else {
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// Return <item-not-found/> error since specified node was not found
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response.setType(IQ.Type.ERROR);
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response.setError(new XMPPError(404, "item-not-found"));
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}
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}
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connection.sendPacket(response);
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}
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@ -93,6 +93,10 @@ public class MultiUserChat {
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}
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return answer.iterator();
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}
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public Iterator getNodeFeatures() {
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return null;
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}
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});
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}
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});
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