| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.commons.jcs.jcache.jmx; |
| |
| import javax.management.MBeanServer; |
| import javax.management.MBeanServerFactory; |
| import javax.management.ObjectName; |
| import java.lang.management.ManagementFactory; |
| |
| public class JMXs |
| { |
| private static final MBeanServer SERVER = findMBeanServer(); |
| |
| public static MBeanServer server() |
| { |
| return SERVER; |
| } |
| |
| public static void register(final ObjectName on, final Object bean) |
| { |
| if (!SERVER.isRegistered(on)) |
| { |
| try |
| { |
| SERVER.registerMBean(bean, on); |
| } |
| catch (final Exception e) |
| { |
| throw new IllegalStateException(e.getMessage(), e); |
| } |
| } |
| } |
| |
| public static void unregister(final ObjectName on) |
| { |
| if (SERVER.isRegistered(on)) |
| { |
| try |
| { |
| SERVER.unregisterMBean(on); |
| } |
| catch (final Exception e) |
| { |
| // no-op |
| } |
| } |
| } |
| |
| private static MBeanServer findMBeanServer() |
| { |
| if (System.getProperty("javax.management.builder.initial") != null) |
| { |
| return MBeanServerFactory.createMBeanServer(); |
| } |
| return ManagementFactory.getPlatformMBeanServer(); |
| } |
| |
| private JMXs() |
| { |
| // no-op |
| } |
| } |