import org.jivesoftware.smackx.packet.PEPEvent; //导入依赖的package包/类
/**
 * Fires roster exchange listeners.
 */
private void firePEPListeners(String from, PEPEvent event) {
    PEPListener[] listeners = null;
    synchronized (pepListeners) {
        listeners = new PEPListener[pepListeners.size()];
        pepListeners.toArray(listeners);
    }
    for (int i = 0; i < listeners.length; i++) {
        listeners[i].eventReceived(from, event);
    }
}
 

import org.jivesoftware.smackx.packet.PEPEvent; //导入依赖的package包/类
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;
            PEPEvent event = (PEPEvent) message.getExtension("event", "http://jabber.org/protocol/pubsub#event");
            // Fire event for roster exchange listeners
            firePEPListeners(message.getFrom(), event);
        };

    };
    connection.addPacketListener(packetListener, packetFilter);
}
 

import org.jivesoftware.smackx.packet.PEPEvent; //导入依赖的package包/类
/**
 * Fires roster exchange listeners.
 */
private void firePEPListeners(String from, PEPEvent event) {
	PEPListener[] listeners = null;
	synchronized (pepListeners) {
		listeners = new PEPListener[pepListeners.size()];
		pepListeners.toArray(listeners);
	}
	for (int i = 0; i < listeners.length; i++) {
		listeners[i].eventReceived(from, event);
	}
}
 

import org.jivesoftware.smackx.packet.PEPEvent; //导入依赖的package包/类
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;
			PEPEvent event = (PEPEvent) message.getExtension("event",
					"http://jabber.org/protocol/pubsub#event");
			// Fire event for roster exchange listeners
			firePEPListeners(message.getFrom(), event);
		};

	};
	connection.addPacketListener(packetListener, packetFilter);
}
 

import org.jivesoftware.smackx.packet.PEPEvent; //导入依赖的package包/类
/**
 * Called when PEP events are received as part of a presence subscribe or message filter.
 *  
 * @param from the user that sent the entries.
 * @param event the event contained in the message.
 */
public void eventReceived(String from, PEPEvent event);
 

import org.jivesoftware.smackx.packet.PEPEvent; //导入依赖的package包/类
/**
 * Called when PEP events are received as part of a presence subscribe or
 * message filter.
 * 
 * @param from
 *            the user that sent the entries.
 * @param event
 *            the event contained in the message.
 */
public void eventReceived(String from, PEPEvent event);