96 lines
3.7 KiB
Java
96 lines
3.7 KiB
Java
/*
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* Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.jmx.mbeanserver;
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import java.lang.reflect.Method;
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import javax.management.MBeanInfo;
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import javax.management.MBeanServer;
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import javax.management.NotCompliantMBeanException;
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import javax.management.ObjectName;
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/**
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* Base class for Standard MBeans.
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*
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* @since 1.6
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*/
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public class StandardMBeanSupport extends MBeanSupport<Method> {
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/**
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* <p>Construct a Standard MBean that wraps the given resource using the
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* given Standard MBean interface.</p>
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*
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* @param resource the underlying resource for the new MBean.
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* @param mbeanInterfaceType the class or interface to be used to determine
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* the MBean's management interface. An interface if this is a
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* classic Standard MBean; a class if this is a {@code @ManagedResource}.
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* @param <T> a type parameter that allows the compiler to check
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* that {@code resource} implements {@code mbeanInterfaceType},
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* provided that {@code mbeanInterfaceType} is a class constant like
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* {@code SomeMBean.class}.
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* @throws IllegalArgumentException if {@code resource} is null or
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* if it does not implement the class {@code mbeanInterfaceType} or if
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* that class is not a valid Standard MBean interface.
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*/
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public <T> StandardMBeanSupport(T resource, Class<T> mbeanInterfaceType)
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throws NotCompliantMBeanException {
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super(resource, mbeanInterfaceType);
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}
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@Override
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MBeanIntrospector<Method> getMBeanIntrospector() {
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return StandardMBeanIntrospector.getInstance();
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}
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@Override
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Object getCookie() {
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return null;
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}
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@Override
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public void register(MBeanServer mbs, ObjectName name) {}
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@Override
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public void unregister() {}
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/* Standard MBeans that are NotificationBroadcasters can return a different
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* MBeanNotificationInfo[] every time getMBeanInfo() is called, so we have
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* to reconstruct this MBeanInfo if necessary.
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*/
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@Override
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public MBeanInfo getMBeanInfo() {
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MBeanInfo mbi = super.getMBeanInfo();
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Class<?> resourceClass = getResource().getClass();
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if (StandardMBeanIntrospector.isDefinitelyImmutableInfo(resourceClass))
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return mbi;
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return new MBeanInfo(mbi.getClassName(), mbi.getDescription(),
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mbi.getAttributes(), mbi.getConstructors(),
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mbi.getOperations(),
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MBeanIntrospector.findNotifications(getResource()),
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mbi.getDescriptor());
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}
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}
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