Examples of org.jivesoftware.smack.PacketListener

org.jivesoftware.smack.PacketListener
Provides a mechanism to listen for packets that pass a specified filter. This allows event-style programming -- every time a new packet is found, the {@link #processPacket(Packet)} method will be called. This is theopposite approach to the functionality provided by a {@link PacketCollector}which lets you block while waiting for results. @see Connection#addPacketListener(PacketListener,org.jivesoftware.smack.filter.PacketFilter) @author Matt Tucker


        // get IBB sessions data packet listener
        InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
                        initiatorJID);
        InputStream inputStream = session.getInputStream();
        PacketListener listener = Whitebox.getInternalState(inputStream, PacketListener.class);


        // verify data packet and notify listener
        for (int i = 0; i < controlData.length / blockSize; i++) {
            String base64Data = StringUtils.encodeBase64(controlData, i * blockSize, blockSize,
                            false);
            DataPacketExtension dpe = new DataPacketExtension(sessionID, i, base64Data);
            Message dataMessage = new Message();
            dataMessage.addExtension(dpe);
            listener.processPacket(dataMessage);
        }


        byte[] bytes = new byte[3 * blockSize];
        int read = 0;
        read = inputStream.read(bytes, 0, blockSize);

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        // get IBB sessions data packet listener
        InBandBytestreamSession session = new InBandBytestreamSession(connection, initBytestream,
                        initiatorJID);
        InputStream inputStream = session.getInputStream();
        PacketListener listener = Whitebox.getInternalState(inputStream, PacketListener.class);


        // verify data packet and notify listener
        for (int i = 0; i < controlData.length / blockSize; i++) {
            String base64Data = StringUtils.encodeBase64(controlData, i * blockSize, blockSize,
                            false);
            DataPacketExtension dpe = new DataPacketExtension(sessionID, i, base64Data);
            Message dataMessage = new Message();
            dataMessage.addExtension(dpe);
            listener.processPacket(dataMessage);
        }


        // read data
        byte[] bytes = new byte[3 * blockSize];
        for (int i = 0; i < bytes.length; i++) {

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        }
    }


    private void init() {
        // Listens for all message event packets and fire the proper message event listeners.
        packetListener = new PacketListener() {
            public void processPacket(Packet packet) {
                Message message = (Message) packet;
                MessageEvent messageEvent =
                    (MessageEvent) message.getExtension("x", "jabber:x:event");
                if (messageEvent.isMessageEventRequest()) {

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     * data packets.
     */
    private class IQIBBInputStream extends IBBInputStream {


        protected PacketListener getDataPacketListener() {
            return new PacketListener() {


                private long lastSequence = -1;


                public void processPacket(Packet packet) {
                    // get data packet extension

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     * encapsulating the data packets.
     */
    private class MessageIBBInputStream extends IBBInputStream {


        protected PacketListener getDataPacketListener() {
            return new PacketListener() {


                public void processPacket(Packet packet) {
                    // get data packet extension
                    DataPacketExtension data = (DataPacketExtension) packet.getExtension(
                                    DataPacketExtension.ELEMENT_NAME,

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        }
    }


    private void init() {
        // Listens for all roster exchange packets and fire the roster exchange listeners.
        packetListener = new PacketListener() {
            public void processPacket(Packet packet) {
                Message message = (Message) packet;
                RosterExchange rosterExchange =
                    (RosterExchange) message.getExtension("x", "jabber:x:roster");
                // Fire event for roster exchange listeners

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   * 
   * @param listener The handler for the event
   */
  public void addItemEventListener(ItemEventListener listener)
  {
    PacketListener conListener = new ItemEventTranslator(listener); 
    itemEventToListenerMap.put(listener, conListener);
    con.addPacketListener(conListener, new EventContentFilter(EventElementType.items.toString(), "item"));
  }

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   * 
   * @param listener The handler to unregister
   */
  public void removeItemEventListener(ItemEventListener listener)
  {
    PacketListener conListener = itemEventToListenerMap.remove(listener);
    
    if (conListener != null)
      con.removePacketListener(conListener);
  }

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   * 
   * @param listener The handler for the event
   */
  public void addConfigurationListener(NodeConfigListener listener)
  {
    PacketListener conListener = new NodeConfigTranslator(listener); 
    configEventToListenerMap.put(listener, conListener);
    con.addPacketListener(conListener, new EventContentFilter(EventElementType.configuration.toString()));
  }

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   * 
   * @param listener The handler to unregister
   */
  public void removeConfigurationListener(NodeConfigListener listener)
  {
    PacketListener conListener = configEventToListenerMap .remove(listener);
    
    if (conListener != null)
      con.removePacketListener(conListener);
  }

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