Examples with CapsExtension org.jivesoftware.smackx.entitycaps.packet.CapsExtension used on opensource projects

Example 1 with CapsExtension

use of org.jivesoftware.smackx.entitycaps.packet.CapsExtension in project ecf by eclipse.

the class EntityCapsManager method init.

private void init() {
    Connection connection = weakRefConnection.get();
    instances.put(connection, this);
    connection.addConnectionListener(new ConnectionListener() {

        public void connectionClosed() {
            // Unregister this instance since the connection has been closed
            presenceSend = false;
            instances.remove(weakRefConnection.get());
        }

        public void connectionClosedOnError(Exception e) {
            presenceSend = false;
        }

        public void reconnectionFailed(Exception e) {
        // ignore
        }

        public void reconnectingIn(int seconds) {
        // ignore
        }

        public void reconnectionSuccessful() {
        // ignore
        }
    });
    // This calculates the local entity caps version
    updateLocalEntityCaps();
    if (SmackConfiguration.autoEnableEntityCaps())
        enableEntityCaps();
    PacketFilter packetFilter = new AndFilter(new PacketTypeFilter(Presence.class), new PacketExtensionFilter(ELEMENT, NAMESPACE));
    connection.addPacketListener(new PacketListener() {

        // Listen for remote presence stanzas with the caps extension
        // If we receive such a stanza, record the JID and nodeVer
        public void processPacket(Packet packet) {
            if (!entityCapsEnabled())
                return;
            CapsExtension ext = (CapsExtension) packet.getExtension(EntityCapsManager.ELEMENT, EntityCapsManager.NAMESPACE);
            String hash = ext.getHash().toLowerCase();
            if (!SUPPORTED_HASHES.containsKey(hash))
                return;
            String from = packet.getFrom();
            String node = ext.getNode();
            String ver = ext.getVer();
            jidCaps.put(from, new NodeVerHash(node, ver, hash));
        }
    }, packetFilter);
    packetFilter = new AndFilter(new PacketTypeFilter(Presence.class), new NotFilter(new PacketExtensionFilter(ELEMENT, NAMESPACE)));
    connection.addPacketListener(new PacketListener() {

        public void processPacket(Packet packet) {
            // always remove the JID from the map, even if entityCaps are
            // disabled
            String from = packet.getFrom();
            jidCaps.remove(from);
        }
    }, packetFilter);
    packetFilter = new PacketTypeFilter(Presence.class);
    connection.addPacketSendingListener(new PacketListener() {

        public void processPacket(Packet packet) {
            presenceSend = true;
        }
    }, packetFilter);
    // Intercept presence packages and add caps data when intended.
    // XEP-0115 specifies that a client SHOULD include entity capabilities
    // with every presence notification it sends.
    PacketFilter capsPacketFilter = new PacketTypeFilter(Presence.class);
    PacketInterceptor packetInterceptor = new PacketInterceptor() {

        public void interceptPacket(Packet packet) {
            if (!entityCapsEnabled)
                return;
            CapsExtension caps = new CapsExtension(ENTITY_NODE, getCapsVersion(), "sha-1");
            packet.addExtension(caps);
        }
    };
    connection.addPacketInterceptor(packetInterceptor, capsPacketFilter);
    // It's important to do this as last action. Since it changes the
    // behavior of the SDM in some ways
    sdm.setEntityCapsManager(this);
}