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Java example source code file (DefaultDescriptorTest.java)

This example Java source code file (DefaultDescriptorTest.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

descriptor, descriptorread, management, mbeanfeatureinfo, method, modelmbeanattributeinfo, modelmbeanconstructorinfo, modelmbeaninfosupport, modelmbeannotificationinfo, modelmbeanoperationinfo, openmbeanattributeinfosupport, openmbeanconstructorinfosupport, openmbeanoperationinfosupport, openmbeanparameterinfosupport, reflection, string

The DefaultDescriptorTest.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 6204469
 * @summary Test that MBean*Info can be constructed with default descriptor
 * @author Eamonn McManus
 * @run clean DefaultDescriptorTest
 * @run build DefaultDescriptorTest
 * @run main DefaultDescriptorTest
 */

import java.lang.reflect.*;
import javax.management.*;
import javax.management.modelmbean.*;
import javax.management.openmbean.*;

public class DefaultDescriptorTest {
    public static void main(String[] args) throws Exception {
        final Descriptor empty =
            ImmutableDescriptor.EMPTY_DESCRIPTOR;

        final Class thisClass = DefaultDescriptorTest.class;

        final Method getWhatever = thisClass.getMethod("getWhatever");
        final Method setWhatever = thisClass.getMethod("setWhatever",
                                                       int.class);
        final Method doWhatever = thisClass.getMethod("doWhatever",
                                                      String.class);

        final Constructor<?> con = thisClass.getConstructor();

        final OpenMBeanParameterInfoSupport ombpi1 =
            new OpenMBeanParameterInfoSupport("x", "y", SimpleType.STRING);
        final OpenMBeanParameterInfoSupport ombpi2 =
            new OpenMBeanParameterInfoSupport("x", "y", SimpleType.STRING,
                                              (Descriptor) null);
        final OpenMBeanParameterInfoSupport ombpi3 =
            new OpenMBeanParameterInfoSupport("x", "y", SimpleType.STRING,
                                              empty);
        final OpenMBeanParameterInfoSupport ombpi4 =
            new OpenMBeanParameterInfoSupport("x", "y", SimpleType.STRING,
                                              "defaultString");
        final OpenMBeanParameterInfoSupport ombpi5 =
            new OpenMBeanParameterInfoSupport("x", "y", SimpleType.INTEGER,
                                              null, 3, 5);
        final OpenMBeanParameterInfoSupport ombpi6 =
            new OpenMBeanParameterInfoSupport("x", "y", SimpleType.LONG,
                                              53L, new Long[] {28L, 53L});

        final ModelMBeanInfoSupport mmbi1 =
            new ModelMBeanInfoSupport("yo", "yo", null, null, null, null);
        final ModelMBeanInfoSupport mmbi2 =
            new ModelMBeanInfoSupport("yo", "yo", null, null, null, null,
                                      (Descriptor) null);
//      final ModelMBeanInfoSupport mmbi3 =
//          new ModelMBeanInfoSupport("yo", "yo", null, null, null, null,
//                                    empty);
        // an empty descriptor is currently illegal for MMBIS

        final ModelMBeanAttributeInfo mmbai1 =
            new ModelMBeanAttributeInfo("yo", "yo", getWhatever, setWhatever);
        final ModelMBeanAttributeInfo mmbai2 =
            new ModelMBeanAttributeInfo("yo", "yo", getWhatever, setWhatever,
                                        (Descriptor) null);
        final ModelMBeanAttributeInfo mmbai3 =
            new ModelMBeanAttributeInfo("yo", "yo", "yo", true, true, false);
        final ModelMBeanAttributeInfo mmbai4 =
            new ModelMBeanAttributeInfo("yo", "yo", "yo", true, true, false,
                                        (Descriptor) null);

        final ModelMBeanConstructorInfo mmbci1 =
            new ModelMBeanConstructorInfo("yo", con);
        final ModelMBeanConstructorInfo mmbci2 =
            new ModelMBeanConstructorInfo("yo", con, (Descriptor) null);
        final ModelMBeanConstructorInfo mmbci3 =
            new ModelMBeanConstructorInfo("yo", "yo", null);
        final ModelMBeanConstructorInfo mmbci4 =
            new ModelMBeanConstructorInfo("yo", "yo", null, (Descriptor) null);

        final ModelMBeanNotificationInfo mmbni1 =
            new ModelMBeanNotificationInfo(new String[] {"x.y.z"}, "yo", "yo");
        final ModelMBeanNotificationInfo mmbni2 =
            new ModelMBeanNotificationInfo(new String[] {"x.y.z"}, "yo", "yo",
                                           (Descriptor) null);

        final ModelMBeanOperationInfo mmboi1 =
            new ModelMBeanOperationInfo("yo", doWhatever);
        final ModelMBeanOperationInfo mmboi2 =
            new ModelMBeanOperationInfo("yo", doWhatever, (Descriptor) null);
        final ModelMBeanOperationInfo mmboi3 =
            new ModelMBeanOperationInfo("yo", "yo", null, "typo",
                                        MBeanOperationInfo.ACTION);
        final ModelMBeanOperationInfo mmboi4 =
            new ModelMBeanOperationInfo("yo", "yo", null, "typo",
                                        MBeanOperationInfo.ACTION,
                                        (Descriptor) null);

        final DescriptorRead[] infos = {
            new MBeanInfo("a.b.c", "blah", null, null, null, null),
            new MBeanInfo("a.b.c", "blah", null, null, null, null,
                          (Descriptor) null),
            new MBeanInfo("a.b.c", "blah", null, null, null, null,
                          empty),

            new MBeanAttributeInfo("blah", "blah", getWhatever, setWhatever),
// Following constructor deleted because Method has implicit Descriptor
// from annotations
//          new MBeanAttributeInfo("blah", "blah", getWhatever, setWhatever,
//                                 (Descriptor) null),
//          new MBeanAttributeInfo("blah", "blah", getWhatever, setWhatever,
//                                 empty),

            new MBeanAttributeInfo("blah", "a.b.c", "blah",
                                   true, true, false),
            new MBeanAttributeInfo("blah", "a.b.c", "blah",
                                   true, true, false, (Descriptor) null),
            new MBeanAttributeInfo("blah", "a.b.c", "blah",
                                   true, true, false, empty),

            new MBeanConstructorInfo("blah", con),
// Following constructor deleted because Constructor has implicit Descriptor
// from annotations
//          new MBeanConstructorInfo("blah", con, (Descriptor) null),
//          new MBeanConstructorInfo("blah", con, empty),

            new MBeanConstructorInfo("blah", "blah", null),
            new MBeanConstructorInfo("blah", "blah", null, (Descriptor) null),
            new MBeanConstructorInfo("blah", "blah", null, empty),

            // this class should be abstract but isn't
            new MBeanFeatureInfo("blah", "blah"),
            new MBeanFeatureInfo("blah", "blah", (Descriptor) null),
            new MBeanFeatureInfo("blah", "blah", empty),

            new MBeanNotificationInfo(new String[] {"a.b.c"}, "blah", "blah"),
            new MBeanNotificationInfo(new String[] {"a.b.c"}, "blah", "blah",
                                      (Descriptor) null),
            new MBeanNotificationInfo(new String[] {"a.b.c"}, "blah", "blah",
                                      empty),


            new MBeanOperationInfo("blah", doWhatever),
// Following constructor deleted because Method has implicit Descriptor
// from annotations
//          new MBeanOperationInfo("blah", doWhatever, (Descriptor) null),
//          new MBeanOperationInfo("blah", doWhatever, empty),

            new MBeanOperationInfo("blah", "blah", null, "a.b.c",
                                   MBeanOperationInfo.ACTION_INFO),
            new MBeanOperationInfo("blah", "blah", null, "a.b.c",
                                   MBeanOperationInfo.ACTION,
                                   (Descriptor) null),
            new MBeanOperationInfo("blah", "blah", null, "a.b.c",
                                   MBeanOperationInfo.INFO,
                                   empty),

            new MBeanParameterInfo("blah", "a.b.c", "blah"),
            new MBeanParameterInfo("blah", "a.b.c", "blah", (Descriptor) null),
            new MBeanParameterInfo("blah", "a.b.c", "blah", empty),

            new OpenMBeanInfoSupport("x", "y", null, null, null, null),
            new OpenMBeanInfoSupport("x", "y", null, null, null, null,
                                     (Descriptor) null),
            new OpenMBeanInfoSupport("x", "y", null, null, null, null,
                                     empty),

            ombpi1,
            ombpi2,
            ombpi3,
            ombpi4,
            ombpi5,
            ombpi6,

            new OpenMBeanAttributeInfoSupport("x", "y", SimpleType.STRING,
                                              true, true, false),
            new OpenMBeanAttributeInfoSupport("x", "y", SimpleType.STRING,
                                              true, true, false,
                                              (Descriptor) null),
            new OpenMBeanAttributeInfoSupport("x", "y", SimpleType.STRING,
                                              true, true, false,
                                              empty),
            new OpenMBeanAttributeInfoSupport("x", "y", SimpleType.STRING,
                                              true, true, false,
                                              "defaultString"),
            new OpenMBeanAttributeInfoSupport("x", "y", SimpleType.INTEGER,
                                              true, true, false,
                                              null, 3, 5),
            new OpenMBeanAttributeInfoSupport("x", "y", SimpleType.LONG,
                                              true, true, false,
                                              53L, new Long[] {28L, 53L}),

            new OpenMBeanConstructorInfoSupport("x", "y",
                                                new OpenMBeanParameterInfo[] {
                                                    ombpi1, ombpi2
                                                }),
            new OpenMBeanConstructorInfoSupport("x", "y",
                                                new OpenMBeanParameterInfo[] {
                                                    ombpi1, ombpi2
                                                }, (Descriptor) null),
            new OpenMBeanConstructorInfoSupport("x", "y",
                                                new OpenMBeanParameterInfo[] {
                                                    ombpi1, ombpi2
                                                }, empty),

            new OpenMBeanOperationInfoSupport("x", "y",
                                              new OpenMBeanParameterInfo[] {
                                                  ombpi1, ombpi2
                                              }, SimpleType.DATE,
                                              MBeanOperationInfo.ACTION),
            new OpenMBeanOperationInfoSupport("x", "y",
                                              new OpenMBeanParameterInfo[] {
                                                  ombpi1, ombpi2
                                              }, SimpleType.DATE,
                                              MBeanOperationInfo.ACTION,
                                              (Descriptor) null),
            new OpenMBeanOperationInfoSupport("x", "y",
                                              new OpenMBeanParameterInfo[] {
                                                  ombpi1, ombpi2
                                              }, SimpleType.DATE,
                                              MBeanOperationInfo.ACTION,
                                              empty),

            mmbi1,
            mmbi2,

            new ModelMBeanInfoSupport(mmbi1),
            new ModelMBeanInfoSupport(mmbi2),

            (DescriptorRead) mmbi1.clone(),
            (DescriptorRead) mmbi2.clone(),

            mmbai1,
            mmbai2,
            mmbai3,
            mmbai4,

            new ModelMBeanAttributeInfo(mmbai1),
            new ModelMBeanAttributeInfo(mmbai2),
            new ModelMBeanAttributeInfo(mmbai3),
            new ModelMBeanAttributeInfo(mmbai4),

            (DescriptorRead) mmbai1.clone(),
            (DescriptorRead) mmbai2.clone(),
            (DescriptorRead) mmbai3.clone(),
            (DescriptorRead) mmbai4.clone(),

            mmbci1,
            mmbci2,
            mmbci3,
            mmbci4,

            // Oddly enough there's no public copy constructor for this class

            (DescriptorRead) mmbci1.clone(),
            (DescriptorRead) mmbci2.clone(),
            (DescriptorRead) mmbci3.clone(),
            (DescriptorRead) mmbci4.clone(),

            mmbni1,
            mmbni2,

            new ModelMBeanNotificationInfo(mmbni1),
            new ModelMBeanNotificationInfo(mmbni2),

            (DescriptorRead) mmbni1.clone(),
            (DescriptorRead) mmbni2.clone(),

            mmboi1,
            mmboi2,
            mmboi3,
            mmboi4,

            new ModelMBeanOperationInfo(mmboi1),
            new ModelMBeanOperationInfo(mmboi2),
            new ModelMBeanOperationInfo(mmboi3),
            new ModelMBeanOperationInfo(mmboi4),

            (DescriptorRead) mmboi1.clone(),
            (DescriptorRead) mmboi2.clone(),
            (DescriptorRead) mmboi3.clone(),
            (DescriptorRead) mmboi4.clone(),

        };

        System.out.println("Testing that a default descriptor is always " +
                           "supplied");
        for (DescriptorRead info : infos) {
            System.out.println(info);
            Descriptor d = info.getDescriptor();
            if (d == null)
                throw new Exception("getDescriptor returned null: " + info);
        }
        System.out.println("Test passed");
    }

    public int getWhatever() {
        return 0;
    }

    public void setWhatever(int x) {
    }

    public void doWhatever(String x) {
    }
}

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