usr/src/java/rad/org/opensolaris/os/rad/jmx/RadNotification.java
author David Powell <david.e.powell@oracle.com>
Thu, 11 Aug 2011 15:41:42 -0700
changeset 764 ebb25c1dac73
parent 391 71abce159a62
permissions -rw-r--r--
18812 Support building with alternate java implementations

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
 */

package org.opensolaris.os.rad.jmx;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
import javax.management.Notification;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataInvocationHandler;

@SuppressWarnings("serial")
public class RadNotification extends Notification {
    public RadNotification(String type, Object source, long sequenceNumber,
	long timeStamp, String message) {

	super(type, source, sequenceNumber, timeStamp, message);
    }

    public RadNotification(String type, Object source, long sequenceNumber,
	long timeStamp) {

	super(type, source, sequenceNumber, timeStamp);
    }

    public RadNotification(String type, Object source, long sequenceNumber,
	String message) {

	super(type, source, sequenceNumber, message);
    }

    public RadNotification(String type, Object source, long sequenceNumber) {
	super(type, source, sequenceNumber);
    }

    @SuppressWarnings("unchecked")
    public <T> T getPayload(Class<T> c) {
	Object ud = getUserData();
	if (ud == null || !(ud instanceof CompositeData))
	    return null;

	InvocationHandler handler =
	    new CompositeDataInvocationHandler((CompositeData)ud);
	try {
	    return (T)Proxy.newProxyInstance(c.getClassLoader(),
		new Class<?>[] { c }, handler);
	} catch (Exception e) {
	    return null;
	}
    }
}