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Java example source code file (JMXProxyTest.java)

This example Java source code file (JMXProxyTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

compliantmbean, created, exception, management, mbean, mbeanserver, mxbean, noncompliantmbean, noncompliantmxbean, notcompliantmbeanexception, objectname, privatembean, privatemxbean, proxy, throwable

The JMXProxyTest.java Java example source code

/*
 * Copyright (c) 2013, 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 javax.management.JMX;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;

/*
 * @test
 * @bug 8010285
 * @summary Tests that javax.management.JMX creates proxies only for the
 *          compliant MBeans/MXBeans
 * @author Jaroslav Bachorik
 * @run clean JMXProxyTest
 * @run build JMXProxyTest
 * @run main JMXProxyTest
 */
public class JMXProxyTest {
    private static interface PrivateMBean {
        public int[] getInts();
    }

    private static interface PrivateMXBean {
        public int[] getInts();
    }

    public static class Private implements PrivateMXBean, PrivateMBean {
        public int[] getInts() {
            return new int[]{1,2,3};
        }
    }

    public static interface NonCompliantMBean {
        public boolean getInt();
        public boolean isInt();
        public void setInt(int a);
        public void setInt(long b);
    }

    public static interface NonCompliantMXBean {
        public boolean getInt();
        public boolean isInt();
        public void setInt(int a);
        public void setInt(long b);
    }

    public static class NonCompliant implements NonCompliantMXBean, NonCompliantMBean {
        public boolean getInt() {
            return false;
        }

        public boolean isInt() {
            return true;
        }

        public void setInt(int a) {
        }

        public void setInt(long b) {
        }
    }

    public static interface CompliantMBean {
        public boolean isFlag();
        public int getInt();
        public void setInt(int value);
    }

    public static interface CompliantMXBean {
        public boolean isFlag();
        public int getInt();
        public void setInt(int value);
    }

    public static class Compliant implements CompliantMXBean, CompliantMBean {
        public boolean isFlag() {
            return false;
        }

        public int getInt() {
            return 1;
        }

        public void setInt(int value) {
        }
    }

    private static int failures = 0;

    public static void main(String[] args) throws Exception {
        testCompliant(CompliantMBean.class, false);
        testCompliant(CompliantMXBean.class, true);
        testNonCompliant(PrivateMBean.class, false);
        testNonCompliant(PrivateMXBean.class, true);
        testNonCompliant(NonCompliantMBean.class, false);
        testNonCompliant(NonCompliantMXBean.class, true);

        if (failures == 0)
            System.out.println("Test passed");
        else
            throw new Exception("TEST FAILURES: " + failures);
    }

    private static void fail(String msg) {
        failures++;
        System.out.println("FAIL: " + msg);
    }

    private static void success(String msg) {
        System.out.println("OK: " + msg);
    }

    private static void testNonCompliant(Class<?> iface, boolean isMx) throws Exception {
        try {
            System.out.println("Creating a proxy for non-compliant " +
                               (isMx ? "MXBean" : "MBean") + " " +
                               iface.getName() + " ...");

            MBeanServer mbs = MBeanServerFactory.newMBeanServer();
            ObjectName on = new ObjectName("test:type=Proxy");

            if (isMx) {
                JMX.newMXBeanProxy(mbs, on, iface);
            } else {
                JMX.newMBeanProxy(mbs, on, iface);
            }
            fail("Created a proxy for non-compliant " +
                 (isMx ? "MXBean" : "MBean") + " - " + iface.getName());
        } catch (Exception e) {
            Throwable t = e;
            while (t != null && !(t instanceof NotCompliantMBeanException)) {
                t = t.getCause();
            }
            if (t != null) {
                success("Proxy not created");
            } else {
                throw e;
            }
        }
    }
    private static void testCompliant(Class<?> iface, boolean isMx) throws Exception {
        try {
            System.out.println("Creating a proxy for compliant " +
                               (isMx ? "MXBean" : "MBean") + " " +
                               iface.getName() + " ...");

            MBeanServer mbs = MBeanServerFactory.newMBeanServer();
            ObjectName on = new ObjectName("test:type=Proxy");

            if (isMx) {
                JMX.newMXBeanProxy(mbs, on, iface);
            } else {
                JMX.newMBeanProxy(mbs, on, iface);
            }
            success("Created a proxy for compliant " +
                    (isMx ? "MXBean" : "MBean") + " - " + iface.getName());
        } catch (Exception e) {
            Throwable t = e;
            while (t != null && !(t instanceof NotCompliantMBeanException)) {
                t = t.getCause();
            }
            if (t != null) {
                fail("Proxy not created");
            } else {
                throw e;
            }
        }
    }
}

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