Spring Framework example source code file (ModelMBeanNotificationPublisherTests.java)

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

Java - Spring Framework tags/keywords

attributechangenotification, exception, exception, management, modelmbeannotificationpublisher, modelmbeannotificationpublisher, notification, notification, notificationpublisher, objectname, runtimeoperationsexception, springmodelmbean, stubspringmodelmbean, stubspringmodelmbean, the

The Spring Framework ModelMBeanNotificationPublisherTests.java source code

/*
 * Copyright 2002-2006 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.jmx.export.notification;

import javax.management.AttributeChangeNotification;
import javax.management.MBeanException;
import javax.management.MalformedObjectNameException;
import javax.management.Notification;
import javax.management.ObjectName;
import javax.management.RuntimeOperationsException;

import junit.framework.TestCase;

import org.springframework.jmx.export.SpringModelMBean;
import org.springframework.test.AssertThrows;

/**
 * @author Rick Evans
 */
public final class ModelMBeanNotificationPublisherTests extends TestCase {

	public void testCtorWithNullMBean() throws Exception {
		new AssertThrows(IllegalArgumentException.class) {
			public void test() throws Exception {
				new ModelMBeanNotificationPublisher(null, createObjectName(), this);
			}
		}.runTest();
	}

	public void testCtorWithNullObjectName() throws Exception {
		new AssertThrows(IllegalArgumentException.class) {
			public void test() throws Exception {
				new ModelMBeanNotificationPublisher(new SpringModelMBean(), null, this);
			}
		}.runTest();
	}

	public void testCtorWithNullManagedResource() throws Exception {
		new AssertThrows(IllegalArgumentException.class) {
			public void test() throws Exception {
				new ModelMBeanNotificationPublisher(new SpringModelMBean(), createObjectName(), null);
			}
		}.runTest();
	}

	public void testSendNullNotification() throws Exception {
		final NotificationPublisher publisher
				= new ModelMBeanNotificationPublisher(new SpringModelMBean(), createObjectName(), this);
		new AssertThrows(IllegalArgumentException.class) {
			public void test() throws Exception {
				publisher.sendNotification(null);
			}
		}.runTest();
	}

	public void testSendVanillaNotification() throws Exception {
		StubSpringModelMBean mbean = new StubSpringModelMBean();
		Notification notification = new Notification("network.alarm.router", mbean, 1872);
		ObjectName objectName = createObjectName();

		NotificationPublisher publisher = new ModelMBeanNotificationPublisher(mbean, objectName, mbean);
		publisher.sendNotification(notification);

		assertNotNull(mbean.getActualNotification());
		assertSame("The exact same Notification is not being passed through from the publisher to the mbean.", notification, mbean.getActualNotification());
		assertSame("The 'source' property of the Notification is not being set to the ObjectName of the associated MBean.", objectName, mbean.getActualNotification().getSource());
	}

	public void testSendAttributeChangeNotification() throws Exception {
		StubSpringModelMBean mbean = new StubSpringModelMBean();
		Notification notification = new AttributeChangeNotification(mbean, 1872, System.currentTimeMillis(), "Shall we break for some tea?", "agree", "java.lang.Boolean", Boolean.FALSE, Boolean.TRUE);
		ObjectName objectName = createObjectName();

		NotificationPublisher publisher = new ModelMBeanNotificationPublisher(mbean, objectName, mbean);
		publisher.sendNotification(notification);

		assertNotNull(mbean.getActualNotification());
		assertTrue(mbean.getActualNotification() instanceof AttributeChangeNotification);
		assertSame("The exact same Notification is not being passed through from the publisher to the mbean.", notification, mbean.getActualNotification());
		assertSame("The 'source' property of the Notification is not being set to the ObjectName of the associated MBean.", objectName, mbean.getActualNotification().getSource());
	}

	public void testSendAttributeChangeNotificationWhereSourceIsNotTheManagedResource() throws Exception {
		StubSpringModelMBean mbean = new StubSpringModelMBean();
		Notification notification = new AttributeChangeNotification(this, 1872, System.currentTimeMillis(), "Shall we break for some tea?", "agree", "java.lang.Boolean", Boolean.FALSE, Boolean.TRUE);
		ObjectName objectName = createObjectName();

		NotificationPublisher publisher = new ModelMBeanNotificationPublisher(mbean, objectName, mbean);
		publisher.sendNotification(notification);

		assertNotNull(mbean.getActualNotification());
		assertTrue(mbean.getActualNotification() instanceof AttributeChangeNotification);
		assertSame("The exact same Notification is not being passed through from the publisher to the mbean.", notification, mbean.getActualNotification());
		assertSame("The 'source' property of the Notification is *wrongly* being set to the ObjectName of the associated MBean.", this, mbean.getActualNotification().getSource());
	}

	private static ObjectName createObjectName() throws MalformedObjectNameException {
		return ObjectName.getInstance("foo:type=bar");
	}


	private static class StubSpringModelMBean extends SpringModelMBean {

		private Notification actualNotification;

		public StubSpringModelMBean() throws MBeanException, RuntimeOperationsException {
		}

		public Notification getActualNotification() {
			return this.actualNotification;
		}

		public void sendNotification(Notification notification) throws RuntimeOperationsException {
			this.actualNotification = notification;
		}

		public void sendAttributeChangeNotification(AttributeChangeNotification notification) throws RuntimeOperationsException {
			this.actualNotification = notification;
		}
	}

}