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/*
* Copyright (c) 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.
*/
import java.lang.management.ManagementFactory;
import java.lang.management.PlatformManagedObject;
/*
* @test
* @bug 8042901
* @summary If jdk.management is present, GarbageCollectorMXBean and ThreadMXBean
* must be from com.sun.management.internal
* @author Shanliang Jiang
*/
public class CheckSomeMXBeanImplPackage {
private static String implPackageName = "com.sun.management.internal";
public static void main(String[] args) throws Exception {
boolean present = false;
try {
Class.forName("com.sun.management.GarbageCollectorMXBean");
present = true;
} catch (ClassNotFoundException cnfe) {}
if (present) {
Class <? extends PlatformManagedObject> klazz =
java.lang.management.GarbageCollectorMXBean.class;
for (Object obj :
ManagementFactory.getPlatformMXBeans(klazz)) {
check(klazz.getName(), obj);
}
klazz = com.sun.management.GarbageCollectorMXBean.class;
for (Object obj :
ManagementFactory.getPlatformMXBeans(klazz)) {
check(klazz.getName(), obj);
}
klazz = java.lang.management.ThreadMXBean.class;
check(klazz.getName(),
ManagementFactory.getPlatformMXBean(klazz));
klazz = com.sun.management.ThreadMXBean.class;
check(klazz.getName(),
ManagementFactory.getPlatformMXBean(klazz));
System.out.println("--- PASSED!");
} else {
System.out.println("--- Skip the test, jdk.management module is not present!");
}
}
private static void check(String mbeanName, Object impl) {
if (!impl.getClass().getName().startsWith(implPackageName)) {
throw new RuntimeException(mbeanName+" implementation package "
+ "should be: " + implPackageName
+ ", but got: " + impl.getClass());
} else {
System.out.println("--- Good, "+mbeanName+" got right implementation: " + impl);
}
}
}
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