mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-12-23 04:57:58 +01:00
Make EntityCapsManager's node version configurable
Also some cleanup of caps code.
This commit is contained in:
Florian Schmaus
parent
4fb5b85806
commit
bd6828db38
2 changed files with 51 additions and 60 deletions
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@ -16,9 +16,9 @@
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*/
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package org.jivesoftware.smackx.caps;
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import org.jivesoftware.smack.AbstractConnectionListener;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.ConnectionCreationListener;
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import org.jivesoftware.smack.ConnectionListener;
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import org.jivesoftware.smack.Manager;
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import org.jivesoftware.smack.PacketInterceptor;
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import org.jivesoftware.smack.PacketListener;
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@ -66,14 +66,15 @@ import java.security.NoSuchAlgorithmException;
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* Keeps track of entity capabilities.
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*
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* @author Florian Schmaus
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* @see <a href="http://www.xmpp.org/extensions/xep-0115.html">XEP-0115: Entity Capabilities</a>
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*/
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public class EntityCapsManager extends Manager {
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public static final String NAMESPACE = "http://jabber.org/protocol/caps";
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public static final String ELEMENT = "c";
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private static final String ENTITY_NODE = "http://www.igniterealtime.org/projects/smack";
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private static final Map<String, MessageDigest> SUPPORTED_HASHES = new HashMap<String, MessageDigest>();
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private static String DEFAULT_ENTITY_NODE = "http://www.igniterealtime.org/projects/smack";
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protected static EntityCapsPersistentCache persistentCache;
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@ -82,6 +83,12 @@ public class EntityCapsManager extends Manager {
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private static Map<XMPPConnection, EntityCapsManager> instances = Collections
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.synchronizedMap(new WeakHashMap<XMPPConnection, EntityCapsManager>());
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private static final PacketFilter PRESENCES_WITH_CAPS = new AndFilter(new PacketTypeFilter(Presence.class), new PacketExtensionFilter(
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ELEMENT, NAMESPACE));
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private static final PacketFilter PRESENCES_WITHOUT_CAPS = new AndFilter(new PacketTypeFilter(Presence.class), new NotFilter(new PacketExtensionFilter(
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ELEMENT, NAMESPACE)));
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private static final PacketFilter PRESENCES = new PacketTypeFilter(Presence.class);
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/**
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* Map of (node + '#" + hash algorithm) to DiscoverInfo data
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*/
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@ -110,11 +117,14 @@ public class EntityCapsManager extends Manager {
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}
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}
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private ServiceDiscoveryManager sdm;
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private boolean entityCapsEnabled;
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private String currentCapsVersion;
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private boolean presenceSend = false;
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private Queue<String> lastLocalCapsVersions = new ConcurrentLinkedQueue<String>();
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/**
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* Set the default entity node that will be used for new EntityCapsManagers
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*
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* @param entityNode
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*/
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public static void setDefaultEntityNode(String entityNode) {
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DEFAULT_ENTITY_NODE = entityNode;
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}
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/**
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* Add DiscoverInfo to the database.
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@ -219,31 +229,31 @@ public class EntityCapsManager extends Manager {
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((Cache) caps).setMaxCacheSize(maxCacheSize);
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}
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private ServiceDiscoveryManager sdm;
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private boolean entityCapsEnabled;
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private String currentCapsVersion;
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private boolean presenceSend = false;
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private Queue<String> lastLocalCapsVersions = new ConcurrentLinkedQueue<String>();
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/**
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* The entity node String used by this EntityCapsManager instance.
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*/
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private String entityNode = DEFAULT_ENTITY_NODE;
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private EntityCapsManager(XMPPConnection connection) {
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super(connection);
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this.sdm = ServiceDiscoveryManager.getInstanceFor(connection);
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instances.put(connection, this);
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connection.addConnectionListener(new ConnectionListener() {
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connection.addConnectionListener(new AbstractConnectionListener() {
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@Override
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public void connectionClosed() {
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presenceSend = false;
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}
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@Override
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public void connectionClosedOnError(Exception e) {
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presenceSend = false;
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}
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public void reconnectionFailed(Exception e) {
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// ignore
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}
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public void reconnectingIn(int seconds) {
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// ignore
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}
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public void reconnectionSuccessful() {
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// ignore
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}
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});
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// This calculates the local entity caps version
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@ -252,8 +262,6 @@ public class EntityCapsManager extends Manager {
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if (autoEnableEntityCaps)
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enableEntityCaps();
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PacketFilter packetFilter = new AndFilter(new PacketTypeFilter(Presence.class), new PacketExtensionFilter(
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ELEMENT, NAMESPACE));
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connection.addPacketListener(new PacketListener() {
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// Listen for remote presence stanzas with the caps extension
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// If we receive such a stanza, record the JID and nodeVer
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@ -276,10 +284,8 @@ public class EntityCapsManager extends Manager {
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jidCaps.put(from, new NodeVerHash(node, ver, hash));
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}
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}, packetFilter);
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}, PRESENCES_WITH_CAPS);
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packetFilter = new AndFilter(new PacketTypeFilter(Presence.class), new NotFilter(new PacketExtensionFilter(
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ELEMENT, NAMESPACE)));
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connection.addPacketListener(new PacketListener() {
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@Override
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public void processPacket(Packet packet) {
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@ -288,30 +294,28 @@ public class EntityCapsManager extends Manager {
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String from = packet.getFrom();
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jidCaps.remove(from);
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}
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}, packetFilter);
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}, PRESENCES_WITHOUT_CAPS);
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packetFilter = new PacketTypeFilter(Presence.class);
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connection.addPacketSendingListener(new PacketListener() {
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@Override
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public void processPacket(Packet packet) {
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presenceSend = true;
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}
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}, packetFilter);
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}, PRESENCES);
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// Intercept presence packages and add caps data when intended.
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// XEP-0115 specifies that a client SHOULD include entity capabilities
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// with every presence notification it sends.
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PacketFilter capsPacketFilter = new PacketTypeFilter(Presence.class);
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PacketInterceptor packetInterceptor = new PacketInterceptor() {
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public void interceptPacket(Packet packet) {
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if (!entityCapsEnabled)
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return;
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CapsExtension caps = new CapsExtension(ENTITY_NODE, getCapsVersion(), "sha-1");
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CapsExtension caps = new CapsExtension(entityNode, getCapsVersion(), "sha-1");
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packet.addExtension(caps);
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}
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};
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connection.addPacketInterceptor(packetInterceptor, capsPacketFilter);
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connection.addPacketInterceptor(packetInterceptor, PRESENCES);
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// It's important to do this as last action. Since it changes the
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// behavior of the SDM in some ways
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sdm.setEntityCapsManager(this);
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@ -330,14 +334,14 @@ public class EntityCapsManager extends Manager {
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return entityCapsManager;
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}
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public void enableEntityCaps() {
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public synchronized void enableEntityCaps() {
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// Add Entity Capabilities (XEP-0115) feature node.
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sdm.addFeature(NAMESPACE);
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updateLocalEntityCaps();
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entityCapsEnabled = true;
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}
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public void disableEntityCaps() {
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public synchronized void disableEntityCaps() {
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entityCapsEnabled = false;
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sdm.removeFeature(NAMESPACE);
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}
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@ -346,6 +350,11 @@ public class EntityCapsManager extends Manager {
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return entityCapsEnabled;
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}
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public void setEntityNode(String entityNode) {
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this.entityNode = entityNode;
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updateLocalEntityCaps();
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}
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/**
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* Remove a record telling what entity caps node a user has.
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*
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@ -374,7 +383,7 @@ public class EntityCapsManager extends Manager {
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* @return the local NodeVer
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*/
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public String getLocalNodeVer() {
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return ENTITY_NODE + '#' + getCapsVersion();
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return entityNode + '#' + getCapsVersion();
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}
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/**
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@ -414,19 +423,19 @@ public class EntityCapsManager extends Manager {
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sdm.addDiscoverInfoTo(discoverInfo);
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currentCapsVersion = generateVerificationString(discoverInfo, "sha-1");
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addDiscoverInfoByNode(ENTITY_NODE + '#' + currentCapsVersion, discoverInfo);
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addDiscoverInfoByNode(entityNode + '#' + currentCapsVersion, discoverInfo);
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if (lastLocalCapsVersions.size() > 10) {
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String oldCapsVersion = lastLocalCapsVersions.poll();
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sdm.removeNodeInformationProvider(ENTITY_NODE + '#' + oldCapsVersion);
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sdm.removeNodeInformationProvider(entityNode + '#' + oldCapsVersion);
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}
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lastLocalCapsVersions.add(currentCapsVersion);
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caps.put(currentCapsVersion, discoverInfo);
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if (connection != null)
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jidCaps.put(connection.getUser(), new NodeVerHash(ENTITY_NODE, currentCapsVersion, "sha-1"));
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jidCaps.put(connection.getUser(), new NodeVerHash(entityNode, currentCapsVersion, "sha-1"));
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final List<Identity> identities = new LinkedList<Identity>(ServiceDiscoveryManager.getInstanceFor(connection).getIdentities());
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sdm.setNodeInformationProvider(ENTITY_NODE + '#' + currentCapsVersion, new NodeInformationProvider() {
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sdm.setNodeInformationProvider(entityNode + '#' + currentCapsVersion, new NodeInformationProvider() {
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List<String> features = sdm.getFeaturesList();
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List<PacketExtension> packetExtensions = sdm.getExtendedInfoAsList();
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@ -1,6 +1,6 @@
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/**
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*
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* Copyright © 2009 Jonas Ådahl, 2011-2013 Florian Schmaus
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* Copyright © 2009 Jonas Ådahl, 2011-2014 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -14,7 +14,6 @@
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.caps.packet;
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import org.jivesoftware.smack.packet.PacketExtension;
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@ -22,10 +21,7 @@ import org.jivesoftware.smackx.caps.EntityCapsManager;
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public class CapsExtension implements PacketExtension {
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private String node, ver, hash;
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public CapsExtension() {
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}
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private final String node, ver, hash;
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public CapsExtension(String node, String version, String hash) {
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this.node = node;
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@ -45,26 +41,14 @@ public class CapsExtension implements PacketExtension {
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return node;
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}
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public void setNode(String node) {
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this.node = node;
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}
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public String getVer() {
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return ver;
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}
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public void setVer(String ver) {
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this.ver = ver;
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}
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public String getHash() {
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return hash;
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}
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public void setHash(String hash) {
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this.hash = hash;
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}
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/*
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* <c xmlns='http://jabber.org/protocol/caps'
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* hash='sha-1'
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@ -73,11 +57,9 @@ public class CapsExtension implements PacketExtension {
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*
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*/
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public String toXML() {
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String xml = "<" + EntityCapsManager.ELEMENT + " xmlns=\"" + EntityCapsManager.NAMESPACE + "\" " +
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return "<" + EntityCapsManager.ELEMENT + " xmlns=\"" + EntityCapsManager.NAMESPACE + "\" " +
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"hash=\"" + hash + "\" " +
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"node=\"" + node + "\" " +
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"ver=\"" + ver + "\"/>";
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return xml;
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}
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}
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