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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 6175517
* @summary Check that Standard MBeans can change their MBeanNotificationInfo[]
* and MXBeans cannot
* @author Eamonn McManus
*
* @run clean ChangingNotifsTest
* @run build ChangingNotifsTest
* @run main ChangingNotifsTest
*/
import javax.management.*;
import java.util.Arrays;
public class ChangingNotifsTest {
public static interface EmptyMBean {}
public static interface EmptyMXBean {}
public static class Base extends NotificationBroadcasterSupport {
@Override
public MBeanNotificationInfo[] getNotificationInfo() {
MBeanNotificationInfo inf =
new MBeanNotificationInfo(new String[0],
Integer.toString(++called),
"description");
return new MBeanNotificationInfo[] {inf};
}
private static int called;
}
public static class Empty extends Base implements EmptyMBean {}
public static class EmptyMX extends Base implements EmptyMXBean {}
public static void main(String[] args) throws Exception {
MBeanServer mbs = MBeanServerFactory.newMBeanServer();
ObjectName name = new ObjectName("a:b=c");
for (boolean mx : new boolean[] {false, true})
test(mbs, name, mx);
if (failure != null)
throw new Exception(failure);
System.out.println("TEST PASSED");
}
private static void test(MBeanServer mbs, ObjectName name, boolean mx)
throws Exception {
Object mbean = mx ? new EmptyMX() : new Empty();
String what = mx ? "MXBean" : "Standard MBean";
mbs.registerMBean(mbean, name);
try {
MBeanInfo mbi = mbs.getMBeanInfo(name);
Descriptor d = mbi.getDescriptor();
String immut = (String) d.getFieldValue("immutableInfo");
boolean immutable = (immut != null && immut.equals("true"));
if (immutable != mx) {
fail(what + " has immutableInfo=" + immut + ", should be " +
mx);
return;
}
MBeanNotificationInfo[] n1 = mbi.getNotifications().clone();
mbi = mbs.getMBeanInfo(name);
boolean unchanged = Arrays.deepEquals(mbi.getNotifications(), n1);
if (unchanged != mx) {
fail(what + " notif info " +
(unchanged ? "did not change" : "changed"));
return;
}
System.out.println("OK: " + what);
} finally {
mbs.unregisterMBean(name);
}
}
private static void fail(String why) {
failure = "FAILED: " + why;
System.out.println(failure);
}
private static String failure;
}
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