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/*
* Copyright (c) 2003, 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 4839389
* @summary Test that a class can load MBeans from its class loader
* (at least if it is the system class loader)
* @author Eamonn McManus
*
* @run clean SystemClassLoaderTest
* @run build SystemClassLoaderTest
* @run main SystemClassLoaderTest
*/
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.ObjectName;
/* Test that we can load an MBean using createMBean(className, objectName)
even if the class of the MBean is not known to the JMX class loader. */
public class SystemClassLoaderTest {
public static void main(String[] args) throws Exception {
// Instantiate the MBean server
//
System.out.println("Create the MBean server");
MBeanServer mbs = MBeanServerFactory.createMBeanServer();
ClassLoader mbsClassLoader = mbs.getClass().getClassLoader();
String testClassName = Test.class.getName();
// Check that the MBeanServer class loader does not know our test class
try {
Class.forName(testClassName, true, mbsClassLoader);
System.out.println("TEST IS INVALID: MBEANSERVER'S CLASS LOADER " +
"KNOWS OUR TEST CLASS");
System.exit(1);
} catch (ClassNotFoundException e) {
// As required
}
// Register the MBean
//
System.out.println("Create MBean from this class");
ObjectName objectName = new ObjectName("whatever:type=whatever");
mbs.createMBean(testClassName, objectName);
// Test OK!
//
System.out.println("Bye! Bye!");
}
public static class Test implements TestMBean {
public Test() {}
}
public static interface TestMBean {}
}
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