/*
 * Copyright 2002-2014 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;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.management.Attribute;
import javax.management.InstanceNotFoundException;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import javax.management.modelmbean.ModelMBeanInfo;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

import org.springframework.aop.framework.ProxyFactory;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jmx.AbstractMBeanServerTests;
import org.springframework.jmx.IJmxTestBean;
import org.springframework.jmx.JmxTestBean;
import org.springframework.jmx.export.assembler.AutodetectCapableMBeanInfoAssembler;
import org.springframework.jmx.export.assembler.MBeanInfoAssembler;
import org.springframework.jmx.export.assembler.SimpleReflectiveMBeanInfoAssembler;
import org.springframework.jmx.export.naming.SelfNaming;
import org.springframework.jmx.support.ObjectNameManager;
import org.springframework.jmx.support.RegistrationPolicy;
import org.springframework.tests.aop.interceptor.NopInterceptor;
import org.springframework.tests.sample.beans.TestBean;

import static org.junit.Assert.*;

/**
 * Integration tests for the {@link MBeanExporter} class.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @author Rick Evans
 * @author Mark Fisher
 * @author Chris Beams
 * @author Sam Brannen
 * @author Stephane Nicoll
 */
@SuppressWarnings("deprecation")
public final class MBeanExporterTests extends AbstractMBeanServerTests {

	@Rule
	public final ExpectedException thrown = ExpectedException.none();

	private static final String OBJECT_NAME = "spring:test=jmxMBeanAdaptor";


	@Test
	public void testRegisterNullNotificationListenerType() throws Exception {
		Map<String, NotificationListener> listeners = new HashMap<String, NotificationListener>();
		// put null in as a value...
		listeners.put("*", null);
		MBeanExporter exporter = new MBeanExporter();

		thrown.expect(IllegalArgumentException.class);
		exporter.setNotificationListenerMappings(listeners);
	}

	@Test
	public void testRegisterNotificationListenerForNonExistentMBean() throws Exception {
		Map<String, NotificationListener> listeners = new HashMap<String, NotificationListener>();
		NotificationListener dummyListener = new NotificationListener() {
			@Override
			public void handleNotification(Notification notification, Object handback) {
				throw new UnsupportedOperationException();
			}
		};
		// the MBean with the supplied object name does not exist...
		listeners.put("spring:type=Test", dummyListener);
		MBeanExporter exporter = new MBeanExporter();
		exporter.setBeans(getBeanMap());
		exporter.setServer(server);
		exporter.setNotificationListenerMappings(listeners);
		try {
			start(exporter);
			fail("Must have thrown an MBeanExportException when registering a " +
					"NotificationListener on a non-existent MBean.");
		}
		catch (MBeanExportException expected) {
			assertTrue(expected.contains(InstanceNotFoundException.class));
		}
	}

	@Test
	public void testWithSuppliedMBeanServer() throws Exception {
		MBeanExporter exporter = new MBeanExporter();
		exporter.setBeans(getBeanMap());
		exporter.setServer(server);
		try {
			start(exporter);
			assertIsRegistered("The bean was not registered with the MBeanServer",
					ObjectNameManager.getInstance(OBJECT_NAME));
		}
		finally {
   			exporter.destroy();
		}
	}

	@Test
	public void testUserCreatedMBeanRegWithDynamicMBean() throws Exception {
		Map<String, Object> map = new HashMap<String, Object>();
		map.put("spring:name=dynBean", new TestDynamicMBean());

		InvokeDetectAssembler asm = new InvokeDetectAssembler();

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(server);
		exporter.setBeans(map);
		exporter.setAssembler(asm);

		try {
			start(exporter);
			Object name = server.getAttribute(ObjectNameManager.getInstance("spring:name=dynBean"), "Name");
			assertEquals("The name attribute is incorrect", "Rob Harrop", name);
			assertFalse("Assembler should not have been invoked", asm.invoked);
		}
		finally {
   			exporter.destroy();
		}
	}

	@Test
	public void testAutodetectMBeans() throws Exception {
		ConfigurableApplicationContext ctx = load("autodetectMBeans.xml");
		try {
			ctx.getBean("exporter");
			MBeanServer server = ctx.getBean("server", MBeanServer.class);
			ObjectInstance instance = server.getObjectInstance(ObjectNameManager.getInstance("spring:mbean=true"));
			assertNotNull(instance);
			instance = server.getObjectInstance(ObjectNameManager.getInstance("spring:mbean2=true"));
			assertNotNull(instance);
			instance = server.getObjectInstance(ObjectNameManager.getInstance("spring:mbean3=true"));
			assertNotNull(instance);
		}
		finally {
			ctx.close();
		}
	}

	@Test
	public void testAutodetectWithExclude() throws Exception {
		ConfigurableApplicationContext ctx = load("autodetectMBeans.xml");
		try {
			ctx.getBean("exporter");
			MBeanServer server = ctx.getBean("server", MBeanServer.class);
			ObjectInstance instance = server.getObjectInstance(ObjectNameManager.getInstance("spring:mbean=true"));
			assertNotNull(instance);

			thrown.expect(InstanceNotFoundException.class);
			server.getObjectInstance(ObjectNameManager.getInstance("spring:mbean=false"));
		}
		finally {
			ctx.close();
		}
	}

	@Test
	public void testAutodetectLazyMBeans() throws Exception {
		ConfigurableApplicationContext ctx = load("autodetectLazyMBeans.xml");
		try {
			ctx.getBean("exporter");
			MBeanServer server = ctx.getBean("server", MBeanServer.class);

			ObjectName oname = ObjectNameManager.getInstance("spring:mbean=true");
			assertNotNull(server.getObjectInstance(oname));
			String name = (String) server.getAttribute(oname, "Name");
			assertEquals("Invalid name returned", "Rob Harrop", name);

			oname = ObjectNameManager.getInstance("spring:mbean=another");
			assertNotNull(server.getObjectInstance(oname));
			name = (String) server.getAttribute(oname, "Name");
			assertEquals("Invalid name returned", "Juergen Hoeller", name);
		}
		finally {
			ctx.close();
		}
	}

	@Test
	public void testAutodetectNoMBeans() throws Exception {
		ConfigurableApplicationContext ctx = load("autodetectNoMBeans.xml");
		try {
			ctx.getBean("exporter");
		}
		finally {
			ctx.close();
		}
	}

	@Test
	public void testWithMBeanExporterListeners() throws Exception {
		MockMBeanExporterListener listener1 = new MockMBeanExporterListener();
		MockMBeanExporterListener listener2 = new MockMBeanExporterListener();

		MBeanExporter exporter = new MBeanExporter();
		exporter.setBeans(getBeanMap());
		exporter.setServer(server);
		exporter.setListeners(listener1, listener2);
		start(exporter);
		exporter.destroy();

		assertListener(listener1);
		assertListener(listener2);
	}


	@Test
	public void testExportJdkProxy() throws Exception {
		JmxTestBean bean = new JmxTestBean();
		bean.setName("Rob Harrop");

		ProxyFactory factory = new ProxyFactory();
		factory.setTarget(bean);
		factory.addAdvice(new NopInterceptor());
		factory.setInterfaces(IJmxTestBean.class);

		IJmxTestBean proxy = (IJmxTestBean) factory.getProxy();
		String name = "bean:mmm=whatever";

		Map<String, Object> beans = new HashMap<String, Object>();
		beans.put(name, proxy);

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(server);
		exporter.setBeans(beans);
		exporter.registerBeans();

		ObjectName oname = ObjectName.getInstance(name);
		Object nameValue = server.getAttribute(oname, "Name");
		assertEquals("Rob Harrop", nameValue);
	}

	@Test
	public void testSelfNaming() throws Exception {
		ObjectName objectName = ObjectNameManager.getInstance(OBJECT_NAME);
		SelfNamingTestBean testBean = new SelfNamingTestBean();
		testBean.setObjectName(objectName);

		Map<String, Object> beans = new HashMap<String, Object>();
		beans.put("foo", testBean);

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(server);
		exporter.setBeans(beans);

		start(exporter);

		ObjectInstance instance = server.getObjectInstance(objectName);
		assertNotNull(instance);
	}

	@Test
	public void testRegisterIgnoreExisting() throws Exception {
		ObjectName objectName = ObjectNameManager.getInstance(OBJECT_NAME);

		Person preRegistered = new Person();
		preRegistered.setName("Rob Harrop");

		server.registerMBean(preRegistered, objectName);

		Person springRegistered = new Person();
		springRegistered.setName("Sally Greenwood");

		String objectName2 = "spring:test=equalBean";

		Map<String, Object> beans = new HashMap<String, Object>();
		beans.put(objectName.toString(), springRegistered);
		beans.put(objectName2, springRegistered);

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(server);
		exporter.setBeans(beans);
		exporter.setRegistrationBehavior(MBeanExporter.REGISTRATION_IGNORE_EXISTING);

		start(exporter);

		ObjectInstance instance = server.getObjectInstance(objectName);
		assertNotNull(instance);
		ObjectInstance instance2 = server.getObjectInstance(new ObjectName(objectName2));
		assertNotNull(instance2);

		// should still be the first bean with name Rob Harrop
		assertEquals("Rob Harrop", server.getAttribute(objectName, "Name"));
	}

	@Test
	public void testRegisterReplaceExisting() throws Exception {
		ObjectName objectName = ObjectNameManager.getInstance(OBJECT_NAME);

		Person preRegistered = new Person();
		preRegistered.setName("Rob Harrop");

		server.registerMBean(preRegistered, objectName);

		Person springRegistered = new Person();
		springRegistered.setName("Sally Greenwood");

		Map<String, Object> beans = new HashMap<String, Object>();
		beans.put(objectName.toString(), springRegistered);

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(server);
		exporter.setBeans(beans);
		exporter.setRegistrationPolicy(RegistrationPolicy.REPLACE_EXISTING);

		start(exporter);

		ObjectInstance instance = server.getObjectInstance(objectName);
		assertNotNull(instance);

		// should still be the new bean with name Sally Greenwood
		assertEquals("Sally Greenwood", server.getAttribute(objectName, "Name"));
	}

	@Test
	public void testWithExposeClassLoader() throws Exception {
		String name = "Rob Harrop";
		String otherName = "Juergen Hoeller";

		JmxTestBean bean = new JmxTestBean();
		bean.setName(name);
		ObjectName objectName = ObjectNameManager.getInstance("spring:type=Test");

		Map<String, Object> beans = new HashMap<String, Object>();
		beans.put(objectName.toString(), bean);

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		exporter.setBeans(beans);
		exporter.setExposeManagedResourceClassLoader(true);
		start(exporter);

		assertIsRegistered("Bean instance not registered", objectName);

		Object result = server.invoke(objectName, "add", new Object[] {new Integer(2), new Integer(3)}, new String[] {
				int.class.getName(), int.class.getName()});

		assertEquals("Incorrect result return from add", result, new Integer(5));
		assertEquals("Incorrect attribute value", name, server.getAttribute(objectName, "Name"));

		server.setAttribute(objectName, new Attribute("Name", otherName));
		assertEquals("Incorrect updated name.", otherName, bean.getName());
	}

	@Test
	public void testBonaFideMBeanIsNotExportedWhenAutodetectIsTotallyTurnedOff() throws Exception {
		BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition("^&_invalidObjectName_(*", builder.getBeanDefinition());
		String exportedBeanName = "export.me.please";
		factory.registerSingleton(exportedBeanName, new TestBean());

		MBeanExporter exporter = new MBeanExporter();
		Map<String, Object> beansToExport = new HashMap<String, Object>();
		beansToExport.put(OBJECT_NAME, exportedBeanName);
		exporter.setBeans(beansToExport);
		exporter.setServer(getServer());
		exporter.setBeanFactory(factory);
		exporter.setAutodetectMode(MBeanExporter.AUTODETECT_NONE);
		// MBean has a bad ObjectName, so if said MBean is autodetected, an exception will be thrown...
		start(exporter);

	}

	@Test
	public void testOnlyBonaFideMBeanIsExportedWhenAutodetectIsMBeanOnly() throws Exception {
		BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());
		String exportedBeanName = "spring:type=TestBean";
		factory.registerSingleton(exportedBeanName, new TestBean());

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(exportedBeanName));
		exporter.setBeanFactory(factory);
		exporter.setAutodetectMode(MBeanExporter.AUTODETECT_MBEAN);
		start(exporter);

		assertIsRegistered("Bona fide MBean not autodetected in AUTODETECT_MBEAN mode",
				ObjectNameManager.getInstance(OBJECT_NAME));
		assertIsNotRegistered("Bean autodetected and (only) AUTODETECT_MBEAN mode is on",
				ObjectNameManager.getInstance(exportedBeanName));
	}

	@Test
	public void testBonaFideMBeanAndRegularBeanExporterWithAutodetectAll() throws Exception {
		BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());
		String exportedBeanName = "spring:type=TestBean";
		factory.registerSingleton(exportedBeanName, new TestBean());
		String notToBeExportedBeanName = "spring:type=NotToBeExported";
		factory.registerSingleton(notToBeExportedBeanName, new TestBean());

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(exportedBeanName));
		exporter.setBeanFactory(factory);
		exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ALL);
		start(exporter);
		assertIsRegistered("Bona fide MBean not autodetected in (AUTODETECT_ALL) mode",
				ObjectNameManager.getInstance(OBJECT_NAME));
		assertIsRegistered("Bean not autodetected in (AUTODETECT_ALL) mode",
				ObjectNameManager.getInstance(exportedBeanName));
		assertIsNotRegistered("Bean autodetected and did not satisfy the autodetect info assembler",
				ObjectNameManager.getInstance(notToBeExportedBeanName));
	}

	@Test
	public void testBonaFideMBeanIsNotExportedWithAutodetectAssembler() throws Exception {
		BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());
		String exportedBeanName = "spring:type=TestBean";
		factory.registerSingleton(exportedBeanName, new TestBean());

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(exportedBeanName));
		exporter.setBeanFactory(factory);
		exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ASSEMBLER);
		start(exporter);
		assertIsNotRegistered("Bona fide MBean was autodetected in AUTODETECT_ASSEMBLER mode - must not have been",
				ObjectNameManager.getInstance(OBJECT_NAME));
		assertIsRegistered("Bean not autodetected in AUTODETECT_ASSEMBLER mode",
				ObjectNameManager.getInstance(exportedBeanName));
	}

	/**
	 * Want to ensure that said MBean is not exported twice.
	 */
	@Test
	public void testBonaFideMBeanExplicitlyExportedAndAutodetectionIsOn() throws Exception {
		BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition(OBJECT_NAME, builder.getBeanDefinition());

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		Map<String, Object> beansToExport = new HashMap<String, Object>();
		beansToExport.put(OBJECT_NAME, OBJECT_NAME);
		exporter.setBeans(beansToExport);
		exporter.setAssembler(new NamedBeanAutodetectCapableMBeanInfoAssemblerStub(OBJECT_NAME));
		exporter.setBeanFactory(factory);
		exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ASSEMBLER);
		start(exporter);
		assertIsRegistered("Explicitly exported bona fide MBean obviously not exported.",
				ObjectNameManager.getInstance(OBJECT_NAME));
	}

	@Test
	public void testSetAutodetectModeToOutOfRangeNegativeValue() {
		MBeanExporter exporter = new MBeanExporter();
		thrown.expect(IllegalArgumentException.class);
		exporter.setAutodetectMode(-1);
	}

	@Test
	public void testSetAutodetectModeToOutOfRangePositiveValue() {
		MBeanExporter exporter = new MBeanExporter();
		thrown.expect(IllegalArgumentException.class);
		exporter.setAutodetectMode(5);
	}

	@Test
	public void testSetAutodetectModeNameToNull() {
		MBeanExporter exporter = new MBeanExporter();
		thrown.expect(IllegalArgumentException.class);
		exporter.setAutodetectModeName(null);
	}

	@Test
	public void testSetAutodetectModeNameToAnEmptyString() {
		MBeanExporter exporter = new MBeanExporter();
		thrown.expect(IllegalArgumentException.class);
		exporter.setAutodetectModeName("");
	}

	@Test
	public void testSetAutodetectModeNameToAWhitespacedString() {
		MBeanExporter exporter = new MBeanExporter();
		thrown.expect(IllegalArgumentException.class);
		exporter.setAutodetectModeName("  \t");
	}

	@Test
	public void testSetAutodetectModeNameToARubbishValue() {
		MBeanExporter exporter = new MBeanExporter();
		thrown.expect(IllegalArgumentException.class);
		exporter.setAutodetectModeName("That Hansel is... *sssooo* hot right now!");
	}

	@Test
	public void testNotRunningInBeanFactoryAndPassedBeanNameToExport() throws Exception {
		MBeanExporter exporter = new MBeanExporter();
		Map<String, Object> beans = new HashMap<String, Object>();
		beans.put(OBJECT_NAME, "beanName");
		exporter.setBeans(beans);
		thrown.expect(MBeanExportException.class);
		start(exporter);
	}

	@Test
	public void testNotRunningInBeanFactoryAndAutodetectionIsOn() throws Exception {
		MBeanExporter exporter = new MBeanExporter();
		exporter.setAutodetectMode(MBeanExporter.AUTODETECT_ALL);
		thrown.expect(MBeanExportException.class);
		start(exporter);
	}

	/**
	 * SPR-2158
	 */
	@Test
	public void testMBeanIsNotUnregisteredSpuriouslyIfSomeExternalProcessHasUnregisteredMBean() throws Exception {
		MBeanExporter exporter = new MBeanExporter();
		exporter.setBeans(getBeanMap());
		exporter.setServer(this.server);
		MockMBeanExporterListener listener = new MockMBeanExporterListener();
		exporter.setListeners(listener);
		start(exporter);
		assertIsRegistered("The bean was not registered with the MBeanServer",
				ObjectNameManager.getInstance(OBJECT_NAME));

		this.server.unregisterMBean(new ObjectName(OBJECT_NAME));
		exporter.destroy();
		assertEquals("Listener should not have been invoked (MBean previously unregistered by external agent)", 0,
				listener.getUnregistered().size());
	}

	/**
	 * SPR-3302
	 */
	@Test
	public void testBeanNameCanBeUsedInNotificationListenersMap() throws Exception {
		String beanName = "charlesDexterWard";
		BeanDefinitionBuilder testBean = BeanDefinitionBuilder.rootBeanDefinition(JmxTestBean.class);

		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition(beanName, testBean.getBeanDefinition());
		factory.preInstantiateSingletons();
		Object testBeanInstance = factory.getBean(beanName);

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		Map<String, Object> beansToExport = new HashMap<String, Object>();
		beansToExport.put("test:what=ever", testBeanInstance);
		exporter.setBeans(beansToExport);
		exporter.setBeanFactory(factory);
		StubNotificationListener listener = new StubNotificationListener();
		exporter.setNotificationListenerMappings(Collections.singletonMap(beanName, listener));

		start(exporter);
	}

	@Test
	public void testWildcardCanBeUsedInNotificationListenersMap() throws Exception {
		String beanName = "charlesDexterWard";
		BeanDefinitionBuilder testBean = BeanDefinitionBuilder.rootBeanDefinition(JmxTestBean.class);

		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition(beanName, testBean.getBeanDefinition());
		factory.preInstantiateSingletons();
		Object testBeanInstance = factory.getBean(beanName);

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		Map<String, Object> beansToExport = new HashMap<String, Object>();
		beansToExport.put("test:what=ever", testBeanInstance);
		exporter.setBeans(beansToExport);
		exporter.setBeanFactory(factory);
		StubNotificationListener listener = new StubNotificationListener();
		exporter.setNotificationListenerMappings(Collections.singletonMap("*", listener));

		start(exporter);
	}

	/*
	 * SPR-3625
	 */
	@Test
	public void testMBeanIsUnregisteredForRuntimeExceptionDuringInitialization() throws Exception {
		BeanDefinitionBuilder builder1 = BeanDefinitionBuilder.rootBeanDefinition(Person.class);
		BeanDefinitionBuilder builder2 = BeanDefinitionBuilder
				.rootBeanDefinition(RuntimeExceptionThrowingConstructorBean.class);

		String objectName1 = "spring:test=bean1";
		String objectName2 = "spring:test=bean2";

		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
		factory.registerBeanDefinition(objectName1, builder1.getBeanDefinition());
		factory.registerBeanDefinition(objectName2, builder2.getBeanDefinition());

		MBeanExporter exporter = new MBeanExporter();
		exporter.setServer(getServer());
		Map<String, Object> beansToExport = new HashMap<String, Object>();
		beansToExport.put(objectName1, objectName1);
		beansToExport.put(objectName2, objectName2);
		exporter.setBeans(beansToExport);
		exporter.setBeanFactory(factory);

		try {
			start(exporter);
			fail("Must have failed during creation of RuntimeExceptionThrowingConstructorBean");
		}
		catch (RuntimeException expected) {
		}

		assertIsNotRegistered("Must have unregistered all previously registered MBeans due to RuntimeException",
				ObjectNameManager.getInstance(objectName1));
		assertIsNotRegistered("Must have never registered this MBean due to RuntimeException",
				ObjectNameManager.getInstance(objectName2));
	}

	private ConfigurableApplicationContext load(String context) {
		return new ClassPathXmlApplicationContext(context, getClass());
	}

	private Map<String, Object> getBeanMap() {
		Map<String, Object> map = new HashMap<String, Object>();
		map.put(OBJECT_NAME, new JmxTestBean());
		return map;
	}

	private void assertListener(MockMBeanExporterListener listener) throws MalformedObjectNameException {
		ObjectName desired = ObjectNameManager.getInstance(OBJECT_NAME);
		assertEquals("Incorrect number of registrations", 1, listener.getRegistered().size());
		assertEquals("Incorrect number of unregistrations", 1, listener.getUnregistered().size());
		assertEquals("Incorrect ObjectName in register", desired, listener.getRegistered().get(0));
		assertEquals("Incorrect ObjectName in unregister", desired, listener.getUnregistered().get(0));
	}


	private static class InvokeDetectAssembler implements MBeanInfoAssembler {

		private boolean invoked = false;

		@Override
		public ModelMBeanInfo getMBeanInfo(Object managedResource, String beanKey) throws JMException {
			invoked = true;
			return null;
		}
	}


	private static class MockMBeanExporterListener implements MBeanExporterListener {

		private List<ObjectName> registered = new ArrayList<ObjectName>();

		private List<ObjectName> unregistered = new ArrayList<ObjectName>();

		@Override
		public void mbeanRegistered(ObjectName objectName) {
			registered.add(objectName);
		}

		@Override
		public void mbeanUnregistered(ObjectName objectName) {
			unregistered.add(objectName);
		}

		public List<ObjectName> getRegistered() {
			return registered;
		}

		public List<ObjectName> getUnregistered() {
			return unregistered;
		}
	}


	private static class SelfNamingTestBean implements SelfNaming {

		private ObjectName objectName;

		public void setObjectName(ObjectName objectName) {
			this.objectName = objectName;
		}

		@Override
		public ObjectName getObjectName() throws MalformedObjectNameException {
			return this.objectName;
		}
	}


	public static interface PersonMBean {

		String getName();
	}


	public static class Person implements PersonMBean {

		private String name;

		@Override
		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}
	}


	public static final class StubNotificationListener implements NotificationListener {

		private List<Notification> notifications = new ArrayList<Notification>();

		@Override
		public void handleNotification(Notification notification, Object handback) {
			this.notifications.add(notification);
		}

		public List<Notification> getNotifications() {
			return this.notifications;
		}
	}


	private static class RuntimeExceptionThrowingConstructorBean {

		@SuppressWarnings("unused")
		public RuntimeExceptionThrowingConstructorBean() {
			throw new RuntimeException();
		}
	}


	private static final class NamedBeanAutodetectCapableMBeanInfoAssemblerStub extends
			SimpleReflectiveMBeanInfoAssembler implements AutodetectCapableMBeanInfoAssembler {

		private String namedBean;

		public NamedBeanAutodetectCapableMBeanInfoAssemblerStub(String namedBean) {
			this.namedBean = namedBean;
		}

		@Override
		public boolean includeBean(Class<?> beanClass, String beanName) {
			return this.namedBean.equals(beanName);
		}
	}

}
