/*

 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.

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

 *

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

 * published by the Free Software Foundation.

 *

 * 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.

 *

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 */

/*

 * @test

 * @bug 6295859

 * @summary Check that a StandardMBean has immutableInfo=true if it is

 * a NotificationBroadcasterSupport that doesn't override getNotificationInfo()

 * @author Eamonn McManus

 * @run clean ImmutableNotificationInfoTest

 * @run build ImmutableNotificationInfoTest

 * @run main ImmutableNotificationInfoTest

 */

import javax.management.Descriptor;

import javax.management.MBeanInfo;

import javax.management.MBeanNotificationInfo;

import javax.management.MBeanServer;

import javax.management.MBeanServerFactory;

import javax.management.NotificationBroadcaster;

import javax.management.NotificationBroadcasterSupport;

import javax.management.NotificationFilter;

import javax.management.NotificationListener;

import javax.management.ObjectName;

public class ImmutableNotificationInfoTest {

    public interface UserBroadcasterMBean {}

    public interface NoOverrideNBSMBean {}

    public interface OverrideNBSMBean {}

    public static class UserBroadcaster

            implements UserBroadcasterMBean, NotificationBroadcaster {

        public void removeNotificationListener(NotificationListener listener) {

        }

        public void addNotificationListener(NotificationListener listener,

                NotificationFilter filter, Object handback) {

        }

        public MBeanNotificationInfo[] getNotificationInfo() {

            return new MBeanNotificationInfo[0];

        }

    }

    public static class NoOverrideNBS extends NotificationBroadcasterSupport

            implements NoOverrideNBSMBean {

    }

    public static class OverrideNBS extends NotificationBroadcasterSupport

            implements OverrideNBSMBean {

        public MBeanNotificationInfo[] getNotificationInfo() {

            return new MBeanNotificationInfo[0];

        }

    }

    public static void main(String[] args) throws Exception {

        boolean ok;

        ok = test(new UserBroadcaster(), false);

        ok &= test(new NoOverrideNBS(), true);

        ok &= test(new OverrideNBS(), false);

        if (!ok)

            throw new Exception("TEST FAILED: immutability incorrect");

    }

    private static boolean test(Object mbean, boolean expectImmutable)

            throws Exception {

        MBeanServer mbs = MBeanServerFactory.newMBeanServer();

        ObjectName on = new ObjectName("a:b=c");

        mbs.registerMBean(mbean, on);

        MBeanInfo mbi = mbs.getMBeanInfo(on);

        Descriptor d = mbi.getDescriptor();

        String immutableValue = (String) d.getFieldValue("immutableInfo");

        boolean immutable = ("true".equals(immutableValue));

        if (immutable != expectImmutable) {

            System.out.println("FAILED: " + mbean.getClass().getName() +

                    " -> " + immutableValue);

            return false;

        } else {

            System.out.println("OK: " + mbean.getClass().getName());

            return true;

        }

    }

}