Source code: org/jabber/jabberbeans/PresenceBean.java

   package org.jabber.jabberbeans;
   
   import java.io.Serializable;
   import java.util.Enumeration;
   import java.util.Vector;
   
   public class PresenceBean
       implements Serializable
   {
      private ConnectionBean connection = null;
      private Vector presenceListeners  = null;
      private PacketListener rebroadcaster = null;
  
      class PresenceListener
    implements PacketListener
      {
    public void receivedPacket(Packet l)
    {
        if (l instanceof Presence)
      fireReceivedPacket(l);
    }
    public void sentPacket(Packet l)
    {
        if (l instanceof Presence)
      fireSentPacket(l);
    }
      }
      
      public PresenceBean()
      {
    connection=null;
    presenceListeners=new Vector();
    rebroadcaster=new PresenceListener();
      }
      public PresenceBean(ConnectionBean connection)
      {
    this();
          setConnection(connection);
      }
      
      public void setConnection(ConnectionBean connection)
      {
    this.connection=connection;
    connection.addPacketListener(rebroadcaster);
      }
      public ConnectionBean getConnection()
      {
    return connection;
      }
  
      public void send(Presence message)
    throws java.io.IOException
      {
    connection.send(message);
      }
  
      public synchronized void addPacketListener(PacketListener l)
      {
    if(!presenceListeners.contains(l))
            presenceListeners.addElement(l);
      }
      public synchronized void removePacketListener(PacketListener l)
      {
    if(presenceListeners.contains(l))
            presenceListeners.removeElement(l);
      }
      protected void fireReceivedPacket(Packet l)
      {
    for (Enumeration e=presenceListeners.elements();e.hasMoreElements();)
        ((PacketListener)(e.nextElement())).receivedPacket(l);
      }
      protected void fireSentPacket(Packet l)
      {
    for (Enumeration e=presenceListeners.elements();e.hasMoreElements();)
        ((PacketListener)(e.nextElement())).sentPacket(l);
      }
  
  }