Java example source code file (GetMBeanInfoExceptionTest.java)

This example Java source code file (GetMBeanInfoExceptionTest.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

attributelist, attributenotfoundexception, getmbeaninfoexceptiontest, illegalargumentexception, invalidattributevalueexception, management, mbeanexception, mbeanserver, notcompliantmbeanexception, object, objectname, reflectionexception, string, testdynamicmbean, throwable

The GetMBeanInfoExceptionTest.java Java example source code

/*
 * Copyright (c) 2005, 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 6281446
 * @summary Test that the exception thrown by DynamicMBean.getMBeanInfo()
 *          keeps the init cause.
 * @author Luis-Miguel Alventosa
 * @run clean GetMBeanInfoExceptionTest
 * @run build GetMBeanInfoExceptionTest
 * @run main GetMBeanInfoExceptionTest
 */

import javax.management.Attribute;
import javax.management.AttributeList;
import javax.management.AttributeNotFoundException;
import javax.management.DynamicMBean;
import javax.management.InvalidAttributeValueException;
import javax.management.MBeanException;
import javax.management.MBeanInfo;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
import javax.management.ReflectionException;

public class GetMBeanInfoExceptionTest {

    public static class TestDynamicMBean implements DynamicMBean {

        public Object getAttribute(String attribute) throws
            AttributeNotFoundException,
            MBeanException,
            ReflectionException {
            return null;
        }

        public void setAttribute(Attribute attribute) throws
            AttributeNotFoundException,
            InvalidAttributeValueException,
            MBeanException,
            ReflectionException {
        }

        public AttributeList getAttributes(String[] attributes) {
            return null;
        }

        public AttributeList setAttributes(AttributeList attributes) {
            return null;
        }

        public Object invoke(String op, Object params[], String sign[]) throws
            MBeanException,
            ReflectionException {
            return null;
        }

        public MBeanInfo getMBeanInfo() {
            throw new IllegalArgumentException("GetMBeanInfoExceptionTest");
        }
    }

    public static void main(String[] args) throws Exception {

        int error = 0;

        // Instantiate the MBean server
        //
        System.out.println("Create the MBean server");
        MBeanServer mbs = MBeanServerFactory.createMBeanServer();

        // Register the MBean
        //
        System.out.println("Create a TestDynamicMBean");
        TestDynamicMBean obj = new TestDynamicMBean();
        ObjectName n = new ObjectName("d:k=v");
        try {
            mbs.registerMBean(obj, n);
            System.out.println("Didn't get expected NotCompliantMBeanException");
            error++;
        } catch (NotCompliantMBeanException e) {
            boolean found = false;
            Throwable t = e.getCause();
            while (t != null) {
                if (t instanceof IllegalArgumentException &&
                    "GetMBeanInfoExceptionTest".equals(t.getMessage())) {
                    found = true;
                }
                t = t.getCause();
            }
            if (found) {
                System.out.println("Found expected IllegalArgumentException");
            } else {
                System.out.println("Didn't find expected IllegalArgumentException");
                error++;
            }
        } catch (Exception e) {
            System.out.println("Got " + e.getClass().getName() +
                "instead of expected NotCompliantMBeanException");
            error++;
        }

        if (error > 0) {
            System.out.println("Test failed");
            throw new IllegalArgumentException("Test failed");
        } else {
            System.out.println("Test passed");
        }
    }
}