/*

 * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package com.sun.jmx.mbeanserver;

import static com.sun.jmx.mbeanserver.Util.*;

import java.lang.reflect.Method;

import javax.management.MBeanInfo;

import javax.management.MBeanServer;

import javax.management.NotCompliantMBeanException;

import javax.management.ObjectName;

/**

 * Base class for Standard MBeans.

 *

 * @since 1.6

 */

public class StandardMBeanSupport extends MBeanSupport<Method> {

    /**

       <p>Construct a Standard MBean that wraps the given resource using the

       given Standard MBean interface.</p>

       @param resource the underlying resource for the new MBean.

       @param mbeanInterface the interface to be used to determine

       the MBean's management interface.

       @param <T> a type parameter that allows the compiler to check

       that {@code resource} implements {@code mbeanInterface},

       provided that {@code mbeanInterface} is a class constant like

       {@code SomeMBean.class}.

       @throws IllegalArgumentException if {@code resource} is null or

       if it does not implement the class {@code mbeanInterface} or if

       that class is not a valid Standard MBean interface.

    */

    public <T> StandardMBeanSupport(T resource, Class<T> mbeanInterface)

            throws NotCompliantMBeanException {

        super(resource, mbeanInterface);

    }

    @Override

    MBeanIntrospector<Method> getMBeanIntrospector() {

        return StandardMBeanIntrospector.getInstance();

    }

    @Override

    Object getCookie() {

        return null;

    }

    @Override

    public void register(MBeanServer mbs, ObjectName name) {}

    @Override

    public void unregister() {}

    /* Standard MBeans that are NotificationBroadcasters can return a different

     * MBeanNotificationInfo[] every time getMBeanInfo() is called, so we have

     * to reconstruct this MBeanInfo if necessary.

     */

    @Override

    public MBeanInfo getMBeanInfo() {

        MBeanInfo mbi = super.getMBeanInfo();

        Class<?> resourceClass = getResource().getClass();

        if (StandardMBeanIntrospector.isDefinitelyImmutableInfo(resourceClass))

            return mbi;

        return new MBeanInfo(mbi.getClassName(), mbi.getDescription(),

                mbi.getAttributes(), mbi.getConstructors(),

                mbi.getOperations(),

                MBeanIntrospector.findNotifications(getResource()),

                mbi.getDescriptor());

    }

}