/*
* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.sun.jmx.examples.scandir;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
import java.util.logging.Logger;
import javax.management.JMX;
import javax.management.MBeanServerConnection;
import javax.management.MBeanServerInvocationHandler;
import javax.management.NotificationEmitter;
import javax.management.ObjectName;
/**
* A utility class defining static methods used by our tests.
*
* @author Sun Microsystems, 2006 - All rights reserved.
*/
public class TestUtils {
/**
* A logger for this class.
**/
private static final Logger LOG =
Logger.getLogger(TestUtils.class.getName());
/** Creates a new instance of TestUtils */
private TestUtils() {
}
/**
* Returns the ObjectName of the MBean that a proxy object
* is proxying.
**/
public static ObjectName getObjectName(Object proxy) {
if (!(proxy instanceof Proxy))
throw new IllegalArgumentException("not a "+Proxy.class.getName());
final Proxy p = (Proxy) proxy;
final InvocationHandler handler =
Proxy.getInvocationHandler(proxy);
if (handler instanceof MBeanServerInvocationHandler)
return ((MBeanServerInvocationHandler)handler).getObjectName();
throw new IllegalArgumentException("not a JMX Proxy");
}
/**
* Transfroms a proxy implementing T in a proxy implementing T plus
* NotificationEmitter
*
**/
public static <T> T makeNotificationEmitter(T proxy,
Class<T> mbeanInterface) {
if (proxy instanceof NotificationEmitter)
return proxy;
if (proxy == null) return null;
if (!(proxy instanceof Proxy))
throw new IllegalArgumentException("not a "+Proxy.class.getName());
final Proxy p = (Proxy) proxy;
final InvocationHandler handler =
Proxy.getInvocationHandler(proxy);
if (!(handler instanceof MBeanServerInvocationHandler))
throw new IllegalArgumentException("not a JMX Proxy");
final MBeanServerInvocationHandler h =
(MBeanServerInvocationHandler)handler;
final ObjectName name = h.getObjectName();
final MBeanServerConnection mbs = h.getMBeanServerConnection();
final boolean isMXBean = h.isMXBean();
final T newProxy;
if (isMXBean)
newProxy = JMX.newMXBeanProxy(mbs,name,mbeanInterface,true);
else
newProxy = JMX.newMBeanProxy(mbs,name,mbeanInterface,true);
return newProxy;
}
}