/*
* Copyright 2002-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.util;
import java.lang.management.ManagementFactory;
import java.lang.reflect.Field;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
/**
* Utilities for MBean tests.
*
* @author Phillip Webb
*/
public class MBeanTestUtils {
/**
* Resets MBeanServerFactory and ManagementFactory to a known consistent state.
* This involves releasing all currently registered MBeanServers and resetting
* the platformMBeanServer to null.
*/
public static void resetMBeanServers() throws Exception {
for (MBeanServer server : MBeanServerFactory.findMBeanServer(null)) {
MBeanServerFactory.releaseMBeanServer(server);
}
Field field = ManagementFactory.class.getDeclaredField("platformMBeanServer");
field.setAccessible(true);
field.set(null, null);
}
}