/**
 * Register, escalate, and configure the AspectJ auto proxy creator based on the value
 * of the @{@link EnableAspectJAutoProxy#proxyTargetClass()} attribute on the importing
 * {@code @Configuration} class.
 */
@Override
public void registerBeanDefinitions(
		AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {

	AopConfigUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary(registry);

	AnnotationAttributes enableAspectJAutoProxy =
			AnnotationConfigUtils.attributesFor(importingClassMetadata, EnableAspectJAutoProxy.class);
	if (enableAspectJAutoProxy != null) {
		if (enableAspectJAutoProxy.getBoolean("proxyTargetClass")) {
			AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
		}
		if (enableAspectJAutoProxy.getBoolean("exposeProxy")) {
			AopConfigUtils.forceAutoProxyCreatorToExposeProxy(registry);
		}
	}
}
 

/**
 * Register, escalate, and configure the AspectJ auto proxy creator based on the value
 * of the @{@link EnableAspectJAutoProxy#proxyTargetClass()} attribute on the importing
 * {@code @Configuration} class.
 */
@Override
public void registerBeanDefinitions(
		AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {

	AopConfigUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary(registry);

	AnnotationAttributes enableAspectJAutoProxy =
			AnnotationConfigUtils.attributesFor(importingClassMetadata, EnableAspectJAutoProxy.class);
	if (enableAspectJAutoProxy != null) {
		if (enableAspectJAutoProxy.getBoolean("proxyTargetClass")) {
			AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
		}
		if (enableAspectJAutoProxy.getBoolean("exposeProxy")) {
			AopConfigUtils.forceAutoProxyCreatorToExposeProxy(registry);
		}
	}
}
 

/**
 * Register, escalate, and configure the AspectJ auto proxy creator based on the value
 * of the @{@link EnableAspectJAutoProxy#proxyTargetClass()} attribute on the importing
 * {@code @Configuration} class.
 */
@Override
public void registerBeanDefinitions(
		AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {

	AopConfigUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary(registry);

	AnnotationAttributes enableAspectJAutoProxy =
			AnnotationConfigUtils.attributesFor(importingClassMetadata, EnableAspectJAutoProxy.class);
	if (enableAspectJAutoProxy.getBoolean("proxyTargetClass")) {
		AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
	}
	if (enableAspectJAutoProxy.getBoolean("exposeProxy")) {
		AopConfigUtils.forceAutoProxyCreatorToExposeProxy(registry);
	}
}
 

@Test
public void testRegisterAspectJAutoProxyCreator() throws Exception {
	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect number of definitions registered", 1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect number of definitions registered", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("Incorrect APC class",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

@Test
public void testRegisterAspectJAutoProxyCreatorWithExistingAutoProxyCreator() throws Exception {
	AopNamespaceUtils.registerAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals(1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect definition count", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("APC class not switched",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

@Test
public void testRegisterAutoProxyCreatorWhenAspectJAutoProxyCreatorAlreadyExists() throws Exception {
	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals(1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect definition count", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("Incorrect APC class",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

/**
 * Register, escalate, and configure the standard auto proxy creator (APC) against the
 * given registry. Works by finding the nearest annotation declared on the importing
 * {@code @Configuration} class that has both {@code mode} and {@code proxyTargetClass}
 * attributes. If {@code mode} is set to {@code PROXY}, the APC is registered; if
 * {@code proxyTargetClass} is set to {@code true}, then the APC is forced to use
 * subclass (CGLIB) proxying.
 * <p>Several {@code @Enable*} annotations expose both {@code mode} and
 * {@code proxyTargetClass} attributes. It is important to note that most of these
 * capabilities end up sharing a {@linkplain AopConfigUtils#AUTO_PROXY_CREATOR_BEAN_NAME
 * single APC}. For this reason, this implementation doesn't "care" exactly which
 * annotation it finds -- as long as it exposes the right {@code mode} and
 * {@code proxyTargetClass} attributes, the APC can be registered and configured all
 * the same.
 */
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
	boolean candidateFound = false;
	Set<String> annTypes = importingClassMetadata.getAnnotationTypes();
	for (String annType : annTypes) {
		AnnotationAttributes candidate = AnnotationConfigUtils.attributesFor(importingClassMetadata, annType);
		if (candidate == null) {
			continue;
		}
		Object mode = candidate.get("mode");
		Object proxyTargetClass = candidate.get("proxyTargetClass");
		if (mode != null && proxyTargetClass != null && AdviceMode.class == mode.getClass() &&
				Boolean.class == proxyTargetClass.getClass()) {
			candidateFound = true;
			if (mode == AdviceMode.PROXY) {
				AopConfigUtils.registerAutoProxyCreatorIfNecessary(registry);
				if ((Boolean) proxyTargetClass) {
					AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
					return;
				}
			}
		}
	}
	if (!candidateFound && logger.isInfoEnabled()) {
		String name = getClass().getSimpleName();
		logger.info(String.format("%s was imported but no annotations were found " +
				"having both 'mode' and 'proxyTargetClass' attributes of type " +
				"AdviceMode and boolean respectively. This means that auto proxy " +
				"creator registration and configuration may not have occurred as " +
				"intended, and components may not be proxied as expected. Check to " +
				"ensure that %s has been @Import'ed on the same class where these " +
				"annotations are declared; otherwise remove the import of %s " +
				"altogether.", name, name, name));
	}
}
 

@Test
public void testForceProxyTargetClass() {
	ClassPathXmlApplicationContext bf = newContext("aspectsWithCGLIB.xml");

	ProxyConfig pc = (ProxyConfig) bf.getBean(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertTrue("should be proxying classes", pc.isProxyTargetClass());
	assertTrue("should expose proxy", pc.isExposeProxy());
}
 

@Test
public void testRegisterAspectJAutoProxyCreator() throws Exception {
	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect number of definitions registered", 1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect number of definitions registered", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("Incorrect APC class",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

@Test
public void testRegisterAspectJAutoProxyCreatorWithExistingAutoProxyCreator() throws Exception {
	AopNamespaceUtils.registerAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals(1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect definition count", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("APC class not switched",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

@Test
public void testRegisterAutoProxyCreatorWhenAspectJAutoProxyCreatorAlreadyExists() throws Exception {
	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals(1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect definition count", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("Incorrect APC class",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

/**
 * Register, escalate, and configure the standard auto proxy creator (APC) against the
 * given registry. Works by finding the nearest annotation declared on the importing
 * {@code @Configuration} class that has both {@code mode} and {@code proxyTargetClass}
 * attributes. If {@code mode} is set to {@code PROXY}, the APC is registered; if
 * {@code proxyTargetClass} is set to {@code true}, then the APC is forced to use
 * subclass (CGLIB) proxying.
 * <p>Several {@code @Enable*} annotations expose both {@code mode} and
 * {@code proxyTargetClass} attributes. It is important to note that most of these
 * capabilities end up sharing a {@linkplain AopConfigUtils#AUTO_PROXY_CREATOR_BEAN_NAME
 * single APC}. For this reason, this implementation doesn't "care" exactly which
 * annotation it finds -- as long as it exposes the right {@code mode} and
 * {@code proxyTargetClass} attributes, the APC can be registered and configured all
 * the same.
 */
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
	boolean candidateFound = false;
	Set<String> annoTypes = importingClassMetadata.getAnnotationTypes();
	for (String annoType : annoTypes) {
		AnnotationAttributes candidate = AnnotationConfigUtils.attributesFor(importingClassMetadata, annoType);
		if (candidate == null) {
			continue;
		}
		Object mode = candidate.get("mode");
		Object proxyTargetClass = candidate.get("proxyTargetClass");
		if (mode != null && proxyTargetClass != null && AdviceMode.class == mode.getClass() &&
				Boolean.class == proxyTargetClass.getClass()) {
			candidateFound = true;
			if (mode == AdviceMode.PROXY) {
				AopConfigUtils.registerAutoProxyCreatorIfNecessary(registry);
				if ((Boolean) proxyTargetClass) {
					AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
					return;
				}
			}
		}
	}
	if (!candidateFound && logger.isInfoEnabled()) {
		String name = getClass().getSimpleName();
		logger.info(String.format("%s was imported but no annotations were found " +
				"having both 'mode' and 'proxyTargetClass' attributes of type " +
				"AdviceMode and boolean respectively. This means that auto proxy " +
				"creator registration and configuration may not have occurred as " +
				"intended, and components may not be proxied as expected. Check to " +
				"ensure that %s has been @Import'ed on the same class where these " +
				"annotations are declared; otherwise remove the import of %s " +
				"altogether.", name, name, name));
	}
}
 

@Test
public void testForceProxyTargetClass() {
	ClassPathXmlApplicationContext bf = newContext("aspectsWithCGLIB.xml");

	ProxyConfig pc = (ProxyConfig) bf.getBean(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertTrue("should be proxying classes", pc.isProxyTargetClass());
	assertTrue("should expose proxy", pc.isExposeProxy());
}
 

/**
 * Register, escalate, and configure the standard auto proxy creator (APC) against the
 * given registry. Works by finding the nearest annotation declared on the importing
 * {@code @Configuration} class that has both {@code mode} and {@code proxyTargetClass}
 * attributes. If {@code mode} is set to {@code PROXY}, the APC is registered; if
 * {@code proxyTargetClass} is set to {@code true}, then the APC is forced to use
 * subclass (CGLIB) proxying.
 * <p>Several {@code @Enable*} annotations expose both {@code mode} and
 * {@code proxyTargetClass} attributes. It is important to note that most of these
 * capabilities end up sharing a {@linkplain AopConfigUtils#AUTO_PROXY_CREATOR_BEAN_NAME
 * single APC}. For this reason, this implementation doesn't "care" exactly which
 * annotation it finds -- as long as it exposes the right {@code mode} and
 * {@code proxyTargetClass} attributes, the APC can be registered and configured all
 * the same.
 */
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
	boolean candidateFound = false;
	Set<String> annoTypes = importingClassMetadata.getAnnotationTypes();
	for (String annoType : annoTypes) {
		AnnotationAttributes candidate = AnnotationConfigUtils.attributesFor(importingClassMetadata, annoType);
		if (candidate == null) {
			continue;
		}
		Object mode = candidate.get("mode");
		Object proxyTargetClass = candidate.get("proxyTargetClass");
		if (mode != null && proxyTargetClass != null && AdviceMode.class == mode.getClass() &&
				Boolean.class == proxyTargetClass.getClass()) {
			candidateFound = true;
			if (mode == AdviceMode.PROXY) {
				AopConfigUtils.registerAutoProxyCreatorIfNecessary(registry);
				if ((Boolean) proxyTargetClass) {
					AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
					return;
				}
			}
		}
	}
	if (!candidateFound) {
		String name = getClass().getSimpleName();
		logger.warn(String.format("%s was imported but no annotations were found " +
				"having both 'mode' and 'proxyTargetClass' attributes of type " +
				"AdviceMode and boolean respectively. This means that auto proxy " +
				"creator registration and configuration may not have occurred as " +
				"intended, and components may not be proxied as expected. Check to " +
				"ensure that %s has been @Import'ed on the same class where these " +
				"annotations are declared; otherwise remove the import of %s " +
				"altogether.", name, name, name));
	}
}
 

@Test
public void testRegisterAspectJAutoProxyCreator() throws Exception {
	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect number of definitions registered", 1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect number of definitions registered", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("Incorrect APC class",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

@Test
public void testRegisterAspectJAutoProxyCreatorWithExistingAutoProxyCreator() throws Exception {
	AopNamespaceUtils.registerAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals(1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect definition count", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("APC class not switched",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

@Test
public void testRegisterAutoProxyCreatorWhenAspectJAutoProxyCreatorAlreadyExists() throws Exception {
	AopNamespaceUtils.registerAspectJAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals(1, registry.getBeanDefinitionCount());

	AopNamespaceUtils.registerAutoProxyCreatorIfNecessary(this.parserContext, null);
	assertEquals("Incorrect definition count", 1, registry.getBeanDefinitionCount());

	BeanDefinition definition = registry.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertEquals("Incorrect APC class",
			AspectJAwareAdvisorAutoProxyCreator.class.getName(), definition.getBeanClassName());
}
 

/**
 * Register, escalate, and configure the AspectJ auto proxy creator based on the value
 * of the @{@link EnableAspectJAutoProxy#proxyTargetClass()} attribute on the importing
 * {@code @Configuration} class.
 */
@Override
public void registerBeanDefinitions(
		AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {

	AopConfigUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary(registry);

	AnnotationAttributes enableAJAutoProxy =
			AnnotationConfigUtils.attributesFor(importingClassMetadata, EnableAspectJAutoProxy.class);
	if (enableAJAutoProxy.getBoolean("proxyTargetClass")) {
		AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
	}
}
 

/**
 * Register, escalate, and configure the standard auto proxy creator (APC) against the
 * given registry. Works by finding the nearest annotation declared on the importing
 * {@code @Configuration} class that has both {@code mode} and {@code proxyTargetClass}
 * attributes. If {@code mode} is set to {@code PROXY}, the APC is registered; if
 * {@code proxyTargetClass} is set to {@code true}, then the APC is forced to use
 * subclass (CGLIB) proxying.
 * <p>Several {@code @Enable*} annotations expose both {@code mode} and
 * {@code proxyTargetClass} attributes. It is important to note that most of these
 * capabilities end up sharing a {@linkplain AopConfigUtils#AUTO_PROXY_CREATOR_BEAN_NAME
 * single APC}. For this reason, this implementation doesn't "care" exactly which
 * annotation it finds -- as long as it exposes the right {@code mode} and
 * {@code proxyTargetClass} attributes, the APC can be registered and configured all
 * the same.
 */
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
	boolean candidateFound = false;
	Set<String> annoTypes = importingClassMetadata.getAnnotationTypes();
	for (String annoType : annoTypes) {
		AnnotationAttributes candidate = AnnotationConfigUtils.attributesFor(importingClassMetadata, annoType);
		Object mode = candidate.get("mode");
		Object proxyTargetClass = candidate.get("proxyTargetClass");
		if (mode != null && proxyTargetClass != null && AdviceMode.class == mode.getClass() &&
				Boolean.class == proxyTargetClass.getClass()) {
			candidateFound = true;
			if (mode == AdviceMode.PROXY) {
				AopConfigUtils.registerAutoProxyCreatorIfNecessary(registry);
				if ((Boolean) proxyTargetClass) {
					AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(registry);
					return;
				}
			}
		}
	}
	if (!candidateFound) {
		String name = getClass().getSimpleName();
		logger.warn(String.format("%s was imported but no annotations were found " +
				"having both 'mode' and 'proxyTargetClass' attributes of type " +
				"AdviceMode and boolean respectively. This means that auto proxy " +
				"creator registration and configuration may not have occured as " +
				"intended, and components may not be proxied as expected. Check to " +
				"ensure that %s has been @Import'ed on the same class where these " +
				"annotations are declared; otherwise remove the import of %s " +
				"altogether.", name, name, name));
	}
}
 

@Test
public void testForceProxyTargetClass() {
	ClassPathXmlApplicationContext bf = newContext("aspectsWithCGLIB.xml");

	ProxyConfig pc = (ProxyConfig) bf.getBean(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	assertTrue("should be proxying classes", pc.isProxyTargetClass());
	assertTrue("should expose proxy", pc.isExposeProxy());
}
 

private void buildPointcutAndAdvisorBeanDefinition(String name, List<String> expressionList, ParserContext parserContext, BeanDefinitionRegistry beanDefinitionRegistry) {
	CompositeComponentDefinition compositeComponentDefinition = new CompositeComponentDefinition("mul-transaction-expression", null);
	parserContext.pushContainingComponent(compositeComponentDefinition);

	BeanDefinition aspectJAutoProxyCreatorBeanDefinition = AopConfigUtils.registerAspectJAutoProxyCreatorIfNecessary(beanDefinitionRegistry);
	AopConfigUtils.forceAutoProxyCreatorToUseClassProxying(beanDefinitionRegistry);
	if (aspectJAutoProxyCreatorBeanDefinition != null) {
		BeanComponentDefinition componentDefinition = new BeanComponentDefinition(aspectJAutoProxyCreatorBeanDefinition, AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
		parserContext.registerComponent(componentDefinition);
	}
	for (String expression : expressionList) {
		RootBeanDefinition pointcutDefinition = new RootBeanDefinition(AspectJExpressionPointcut.class);
		pointcutDefinition.setScope(BeanDefinition.SCOPE_PROTOTYPE);
		pointcutDefinition.setSynthetic(true);
		pointcutDefinition.getPropertyValues().add("expression", expression);
		String pointcutBeanName = parserContext.getReaderContext().registerWithGeneratedName(pointcutDefinition);
		parserContext.registerComponent(new PointcutComponentDefinition(pointcutBeanName, pointcutDefinition, expression));

		RootBeanDefinition advisorDefinition = new RootBeanDefinition(DefaultBeanFactoryPointcutAdvisor.class);
		advisorDefinition.getPropertyValues().add("adviceBeanName", new RuntimeBeanNameReference(name + HIBERNATE_ADVICE_SUFFIX));
		String advisorBeanName = parserContext.getReaderContext().registerWithGeneratedName(advisorDefinition);
		advisorDefinition.getPropertyValues().add("pointcut", new RuntimeBeanReference(pointcutBeanName));
		parserContext.registerComponent(new AdvisorComponentDefinition(advisorBeanName, advisorDefinition));
	}

	parserContext.popAndRegisterContainingComponent();
}
 

/**
 * {@inheritDoc}
 */
@Override
public void postProcessBeanFactory(
		ConfigurableListableBeanFactory beanFactory) throws BeansException {
	
	AopConfigUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary((BeanDefinitionRegistry) beanFactory);
	BeanDefinition bd = beanFactory.getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
	bd.getPropertyValues().add("aspectJAdvisorFactory", new DeclareMixinAspectJAdvisorFactory());
}