1/* 2 * Copyright (c) 2004, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package sun.management; 27 28import javax.management.MBeanRegistration; 29import javax.management.MBeanServer; 30import javax.management.ObjectName; 31 32/** 33 * Implementation class of HotspotInternalMBean interface. 34 * 35 * <p> This is designed for internal customer use to create 36 * this MBean dynamically from an agent which will then register 37 * all internal MBeans to the platform MBeanServer. 38 */ 39public class HotspotInternal 40 implements HotspotInternalMBean, MBeanRegistration { 41 42 private final static String HOTSPOT_INTERNAL_MBEAN_NAME = 43 "sun.management:type=HotspotInternal"; 44 private static ObjectName objName = Util.newObjectName(HOTSPOT_INTERNAL_MBEAN_NAME); 45 private MBeanServer server = null; 46 47 /** 48 * Default constructor that registers all hotspot internal MBeans 49 * to the MBeanServer that creates this MBean. 50 */ 51 public HotspotInternal() { 52 } 53 54 public ObjectName preRegister(MBeanServer server, 55 ObjectName name) throws java.lang.Exception { 56 // register all internal MBeans when this MBean is instantiated 57 // and to be registered in a MBeanServer. 58 ManagementFactoryHelper.registerInternalMBeans(server); 59 this.server = server; 60 return objName; 61 } 62 63 public void postRegister(Boolean registrationDone) {}; 64 65 public void preDeregister() throws java.lang.Exception { 66 // unregister all internal MBeans when this MBean is unregistered. 67 ManagementFactoryHelper.unregisterInternalMBeans(server); 68 } 69 70 public void postDeregister() {}; 71 72} 73