code: public void messageReceived (MessageEvent event)
      {
          if (_msghandlers != null) {
              MessageHandler handler = _msghandlers.get(event.getName());
              if (handler != null) {
                  handler.handleEvent(event, this);
              }
          }
  
          // If the message is directed at us, see if it's a request for a method invocation
          if (event.isPrivate()) { // aka if (event instanceof ServerMessageEvent)
              // the first argument should be the client object of the caller or null if it is
              // a server-originated event
              int srcoid = event.getSourceOid();
              DObject source = (srcoid <= 0) ? null : _omgr.getObject(srcoid);
              String method = event.getName();
              Object[] args = event.getArgs(), nargs;
  
              // validate that this call is allowed
              if (!allowManagerCall(method)) {
                  log.warning("Client tried to invoke forbidden manager call!",
                      "source", source, "method", method, "args", args);
                  return;
              }
  
              if (args == null) {
                  nargs = new Object[] { source };
              } else {
                  nargs = new Object[args.length+1];
                  nargs[0] = source;
                  System.arraycopy(args, 0, nargs, 1, args.length);
              }
  
              // Lazily create our dispatcher now that it's actually getting a message
              if (_dispatcher == null) {
                  Class<?> clazz = getClass();
                  MethodFinder finder = _dispatcherFinders.get(clazz);
                  if (finder == null) {
                      finder = new MethodFinder(clazz);
                      _dispatcherFinders.put(clazz, finder);
                  }
                  _dispatcher = new DynamicListener<DSet.Entry>(this, finder);
              }
              _dispatcher.dispatchMethod(method, nargs);
          }
      }
docs: from interface MessageListener