Example #1
0
 /**
  * Stop listening for messages of the given type with the given listener.
  *
  * @param m specify message type and template we're listening for
  * @param listener destination for received messages
  */
 public void deregisterListener(Message template, MessageListener listener) {
   Integer amType = new Integer(template.amType());
   Vector vec = (Vector) templateTbl.get(amType);
   if (vec == null) {
     throw new IllegalArgumentException(
         "No listeners registered for message type "
             + template.getClass().getName()
             + " (AM type "
             + template.amType()
             + ")");
   }
   msgTemplate mt = new msgTemplate(template, listener);
   // Remove all occurrences
   while (vec.removeElement(mt)) ;
   if (vec.size() == 0) templateTbl.remove(amType);
 }
Example #2
0
 /**
  * Register a particular listener for a particular message type. More than one listener can be
  * registered for each message type.
  *
  * @param m specify message type and template we're listening for
  * @param listener destination for received messages
  */
 public void registerListener(Message template, MessageListener listener) {
   Integer amType = new Integer(template.amType());
   Vector vec = (Vector) templateTbl.get(amType);
   if (vec == null) {
     vec = new Vector();
   }
   vec.addElement(new msgTemplate(template, listener));
   templateTbl.put(amType, vec);
 }
Example #3
0
  public static void main(String[] args) throws Exception {
    String source = null;
    Vector v = new Vector();
    if (args.length > 0) {
      for (int i = 0; i < args.length; i++) {
        if (args[i].equals("-comm")) {
          source = args[++i];
        } else {
          String className = args[i];
          try {
            Class c = Class.forName(className);
            Object packet = c.newInstance();
            Message msg = (Message) packet;
            if (msg.amType() < 0) {
              System.err.println(className + " does not have an AM type - ignored");
            } else {
              v.addElement(msg);
            }
          } catch (Exception e) {
            System.err.println(e);
          }
        }
      }
    } else if (args.length != 0) {
      usage();
      System.exit(1);
    }

    MsgReader mr = new MsgReader(source);
    Enumeration msgs = v.elements();
    while (msgs.hasMoreElements()) {
      Message m = (Message) msgs.nextElement();
      mr.addMsgType(m);
    }
    mr.start();
  }