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/*
* Copyright (c) 2005, 2015, Oracle and/or its affiliates. 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.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @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;
}
}
}
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