01: /*
02: * JOnAS: Java(TM) Open Application Server
03: * Copyright (C) 1999 Bull S.A.
04: * Contact: jonas-team@objectweb.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2.1 of the License, or any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19: * USA
20: *
21: * --------------------------------------------------------------------------
22: * $Id:
23: * --------------------------------------------------------------------------
24: */
25: package org.objectweb.jonas.mejb;
26:
27: import javax.rmi.PortableRemoteObject;
28: import java.rmi.RemoteException;
29:
30: // JMX
31: import javax.management.Notification;
32: import javax.management.NotificationListener;
33: import javax.management.NotificationFilter;
34:
35: /**
36: * Proxy object on client side allowing remote notification delivery.
37: * Current implementation only supports one notification listener/listened managed object association
38: * (suppose a removeNotificationListener is called before a subsequent addNotificationListener calls).
39: * This is very a temporary solution.
40: */
41: public class ListenerProxyImpl extends PortableRemoteObject implements
42: ListenerProxy {
43:
44: NotificationListener listener = null;
45: NotificationFilter filter = null;
46:
47: public ListenerProxyImpl() throws RemoteException {
48: super ();
49: }
50:
51: public void addNotificationListener(NotificationListener listener,
52: NotificationFilter filter) throws RemoteException {
53: //System.out.println("--------> IN ListenerProxyImpl.addNotificationListener");
54: this .listener = listener;
55: this .filter = filter;
56: }
57:
58: public void removeNotificationListener(NotificationListener listener)
59: throws RemoteException {
60: if (listener.equals(this .listener)) {
61: // reset proxy
62: this .listener = null;
63: this .filter = null;
64: }
65: }
66:
67: public void handleNotification(Notification notification,
68: Object handback) throws RemoteException {
69: //System.out.println("--------> In ListenerProxyImpl.handleNotification, handback = " + handback);
70: listener.handleNotification(notification, handback);
71: }
72: }
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