org.springframework.context.annotation.componentscan.simple.SimpleComponent#org.springframework.beans.factory.NoSuchBeanDefinitionException源码实例Demo

protected void registerBeanFromMainContext(AbstractApplicationContext applicationContext,
                                           Class<?> beanClass) {
    try {
        Map<String, ?> beans = mainApplicationContext.getBeansOfType(beanClass);
        for (String beanName : beans.keySet()) {
            if (applicationContext.containsBean(beanName)) continue;
            Object bean = beans.get(beanName);
            applicationContext.getBeanFactory().registerSingleton(beanName, bean);
            importedBeanNames.add(beanName);
            applicationContext.getBeanFactory().autowireBean(bean);
        }
        log.info("Bean {} is registered from main ApplicationContext", beanClass.getSimpleName());
    } catch (NoSuchBeanDefinitionException ex) {
        log.warn("Bean {} is not found in main ApplicationContext", beanClass.getSimpleName());
    }
}
 

/**
 * Find an EntityManagerFactory with the given name in the given
 * Spring application context (represented as ListableBeanFactory).
 * <p>The specified unit name will be matched against the configured
 * persistence unit, provided that a discovered EntityManagerFactory
 * implements the {@link EntityManagerFactoryInfo} interface. If not,
 * the persistence unit name will be matched against the Spring bean name,
 * assuming that the EntityManagerFactory bean names follow that convention.
 * <p>If no unit name has been given, this method will search for a default
 * EntityManagerFactory through {@link ListableBeanFactory#getBean(Class)}.
 * @param beanFactory the ListableBeanFactory to search
 * @param unitName the name of the persistence unit (may be {@code null} or empty,
 * in which case a single bean of type EntityManagerFactory will be searched for)
 * @return the EntityManagerFactory
 * @throws NoSuchBeanDefinitionException if there is no such EntityManagerFactory in the context
 * @see EntityManagerFactoryInfo#getPersistenceUnitName()
 */
public static EntityManagerFactory findEntityManagerFactory(
		ListableBeanFactory beanFactory, @Nullable String unitName) throws NoSuchBeanDefinitionException {

	Assert.notNull(beanFactory, "ListableBeanFactory must not be null");
	if (StringUtils.hasLength(unitName)) {
		// See whether we can find an EntityManagerFactory with matching persistence unit name.
		String[] candidateNames =
				BeanFactoryUtils.beanNamesForTypeIncludingAncestors(beanFactory, EntityManagerFactory.class);
		for (String candidateName : candidateNames) {
			EntityManagerFactory emf = (EntityManagerFactory) beanFactory.getBean(candidateName);
			if (emf instanceof EntityManagerFactoryInfo &&
					unitName.equals(((EntityManagerFactoryInfo) emf).getPersistenceUnitName())) {
				return emf;
			}
		}
		// No matching persistence unit found - simply take the EntityManagerFactory
		// with the persistence unit name as bean name (by convention).
		return beanFactory.getBean(unitName, EntityManagerFactory.class);
	}
	else {
		// Find unique EntityManagerFactory bean in the context, falling back to parent contexts.
		return beanFactory.getBean(EntityManagerFactory.class);
	}
}
 

@Override
protected Object getResourceToInject(Object target, @Nullable String requestingBeanName) {
	if (StringUtils.hasLength(this.beanName)) {
		if (beanFactory != null && beanFactory.containsBean(this.beanName)) {
			// Local match found for explicitly specified local bean name.
			Object bean = beanFactory.getBean(this.beanName, this.lookupType);
			if (requestingBeanName != null && beanFactory instanceof ConfigurableBeanFactory) {
				((ConfigurableBeanFactory) beanFactory).registerDependentBean(this.beanName, requestingBeanName);
			}
			return bean;
		}
		else if (this.isDefaultName && !StringUtils.hasLength(this.mappedName)) {
			throw new NoSuchBeanDefinitionException(this.beanName,
					"Cannot resolve 'beanName' in local BeanFactory. Consider specifying a general 'name' value instead.");
		}
	}
	// JNDI name lookup - may still go to a local BeanFactory.
	return getResource(this, requestingBeanName);
}
 

@Test
public void testAutowiredFieldWithMultipleNonQualifiedCandidates() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
	cavs1.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
	ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
	cavs2.addGenericArgumentValue(MARK);
	RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
	context.registerBeanDefinition(JUERGEN, person1);
	context.registerBeanDefinition(MARK, person2);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedFieldTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

/**
 * Initialize the {@link FlashMapManager} used by this servlet instance.
 * <p>If no implementation is configured then we default to
 * {@code org.springframework.web.servlet.support.DefaultFlashMapManager}.
 */
private void initFlashMapManager(ApplicationContext context) {
	try {
		this.flashMapManager = context.getBean(FLASH_MAP_MANAGER_BEAN_NAME, FlashMapManager.class);
		if (logger.isTraceEnabled()) {
			logger.trace("Detected " + this.flashMapManager.getClass().getSimpleName());
		}
		else if (logger.isDebugEnabled()) {
			logger.debug("Detected " + this.flashMapManager);
		}
	}
	catch (NoSuchBeanDefinitionException ex) {
		// We need to use the default.
		this.flashMapManager = getDefaultStrategy(context, FlashMapManager.class);
		if (logger.isTraceEnabled()) {
			logger.trace("No FlashMapManager '" + FLASH_MAP_MANAGER_BEAN_NAME +
					"': using default [" + this.flashMapManager.getClass().getSimpleName() + "]");
		}
	}
}
 

@Test
public void autowiredMethodParameterWithSingleNonQualifiedCandidate() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs = new ConstructorArgumentValues();
	cavs.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person = new RootBeanDefinition(Person.class, cavs, null);
	context.registerBeanDefinition(JUERGEN, person);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedMethodParameterTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

@Test
public void testLazyResourceInjectionWithNonExistingTarget() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	bf.setAutowireCandidateResolver(new ContextAnnotationAutowireCandidateResolver());
	AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
	bpp.setBeanFactory(bf);
	bf.addBeanPostProcessor(bpp);
	RootBeanDefinition bd = new RootBeanDefinition(FieldResourceInjectionBean.class);
	bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("annotatedBean", bd);

	FieldResourceInjectionBean bean = (FieldResourceInjectionBean) bf.getBean("annotatedBean");
	assertNotNull(bean.getTestBean());
	try {
		bean.getTestBean().getName();
		fail("Should have thrown NoSuchBeanDefinitionException");
	}
	catch (NoSuchBeanDefinitionException ex) {
		// expected
	}
}
 

@Test
public void testLazyOptionalResourceInjectionWithNonExistingTarget() {
	DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
	bf.setAutowireCandidateResolver(new ContextAnnotationAutowireCandidateResolver());
	AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
	bpp.setBeanFactory(bf);
	bf.addBeanPostProcessor(bpp);
	RootBeanDefinition bd = new RootBeanDefinition(OptionalFieldResourceInjectionBean.class);
	bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
	bf.registerBeanDefinition("annotatedBean", bd);

	OptionalFieldResourceInjectionBean bean = (OptionalFieldResourceInjectionBean) bf.getBean("annotatedBean");
	assertNotNull(bean.getTestBean());
	assertNotNull(bean.getTestBeans());
	assertTrue(bean.getTestBeans().isEmpty());
	try {
		bean.getTestBean().getName();
		fail("Should have thrown NoSuchBeanDefinitionException");
	}
	catch (NoSuchBeanDefinitionException ex) {
		// expected
	}
}
 

/**
 * Obtain a bean of type {@code T} from the given {@code BeanFactory} declaring a
 * qualifier (e.g. via {@code <qualifier>} or {@code @Qualifier}) matching the given
 * qualifier, or having a bean name matching the given qualifier.
 * @param beanFactory the factory to get the target bean from (also searching ancestors)
 * @param beanType the type of bean to retrieve
 * @param qualifier the qualifier for selecting between multiple bean matches
 * @return the matching bean of type {@code T} (never {@code null})
 * @throws NoUniqueBeanDefinitionException if multiple matching beans of type {@code T} found
 * @throws NoSuchBeanDefinitionException if no matching bean of type {@code T} found
 * @throws BeansException if the bean could not be created
 * @see BeanFactoryUtils#beanOfTypeIncludingAncestors(ListableBeanFactory, Class)
 */
public static <T> T qualifiedBeanOfType(BeanFactory beanFactory, Class<T> beanType, String qualifier)
		throws BeansException {

	Assert.notNull(beanFactory, "BeanFactory must not be null");

	if (beanFactory instanceof ListableBeanFactory) {
		// Full qualifier matching supported.
		return qualifiedBeanOfType((ListableBeanFactory) beanFactory, beanType, qualifier);
	}
	else if (beanFactory.containsBean(qualifier)) {
		// Fallback: target bean at least found by bean name.
		return beanFactory.getBean(qualifier, beanType);
	}
	else {
		throw new NoSuchBeanDefinitionException(qualifier, "No matching " + beanType.getSimpleName() +
				" bean found for bean name '" + qualifier +
				"'! (Note: Qualifier matching not supported because given " +
				"BeanFactory does not implement ConfigurableListableBeanFactory.)");
	}
}
 

@Test
public void testAutowireCandidatePatternDoesNotMatch() {
	GenericApplicationContext context = new GenericApplicationContext();
	ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(context);
	scanner.setIncludeAnnotationConfig(true);
	scanner.setBeanNameGenerator(new TestBeanNameGenerator());
	scanner.setAutowireCandidatePatterns("*NoSuchDao");
	scanner.scan(BASE_PACKAGE);

	try {
		context.refresh();
		context.getBean("fooService");
		fail("BeanCreationException expected; fooDao should not have been an autowire-candidate");
	}
	catch (BeanCreationException expected) {
		assertTrue(expected.getMostSpecificCause() instanceof NoSuchBeanDefinitionException);
	}
}
 

@Test
public void autowiredFieldWithMultipleNonQualifiedCandidates() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
	cavs1.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
	ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
	cavs2.addGenericArgumentValue(MARK);
	RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
	context.registerBeanDefinition(JUERGEN, person1);
	context.registerBeanDefinition(MARK, person2);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedFieldTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

/**
 * Find a {@link Annotation} of {@code annotationType} on the specified
 * bean, traversing its interfaces and super classes if no annotation can be
 * found on the given class itself, as well as checking its raw bean class
 * if not found on the exposed bean reference (e.g. in case of a proxy).
 */
@Override
@Nullable
public <A extends Annotation> A findAnnotationOnBean(String beanName, Class<A> annotationType)
		throws NoSuchBeanDefinitionException {

	A ann = null;
	Class<?> beanType = getType(beanName);
	if (beanType != null) {
		ann = AnnotationUtils.findAnnotation(beanType, annotationType);
	}
	if (ann == null && containsBeanDefinition(beanName)) {
		BeanDefinition bd = getMergedBeanDefinition(beanName);
		if (bd instanceof AbstractBeanDefinition) {
			AbstractBeanDefinition abd = (AbstractBeanDefinition) bd;
			if (abd.hasBeanClass()) {
				Class<?> beanClass = abd.getBeanClass();
				if (beanClass != beanType) {
					ann = AnnotationUtils.findAnnotation(beanClass, annotationType);
				}
			}
		}
	}
	return ann;
}
 

@Test
public void autowiredFieldDoesNotResolveCandidateWithDefaultValueAndConflictingValueOnBeanDefinition() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
	cavs1.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
	// qualifier added, and non-default value specified
	person1.addQualifier(new AutowireCandidateQualifier(TestQualifierWithDefaultValue.class, "not the default"));
	ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
	cavs2.addGenericArgumentValue(MARK);
	RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
	context.registerBeanDefinition(JUERGEN, person1);
	context.registerBeanDefinition(MARK, person2);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedFieldWithDefaultValueTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

/**
 * Obtain a bean of type {@code T} from the given {@code BeanFactory} declaring a qualifier
 * (e.g. {@code <qualifier>} or {@code @Qualifier}) matching the given qualifier).
 * @param bf the factory to get the target bean from
 * @param beanType the type of bean to retrieve
 * @param qualifier the qualifier for selecting between multiple bean matches
 * @return the matching bean of type {@code T} (never {@code null})
 */
private static <T> T qualifiedBeanOfType(ListableBeanFactory bf, Class<T> beanType, String qualifier) {
	String[] candidateBeans = BeanFactoryUtils.beanNamesForTypeIncludingAncestors(bf, beanType);
	String matchingBean = null;
	for (String beanName : candidateBeans) {
		if (isQualifierMatch(qualifier::equals, beanName, bf)) {
			if (matchingBean != null) {
				throw new NoUniqueBeanDefinitionException(beanType, matchingBean, beanName);
			}
			matchingBean = beanName;
		}
	}
	if (matchingBean != null) {
		return bf.getBean(matchingBean, beanType);
	}
	else if (bf.containsBean(qualifier)) {
		// Fallback: target bean at least found by bean name - probably a manually registered singleton.
		return bf.getBean(qualifier, beanType);
	}
	else {
		throw new NoSuchBeanDefinitionException(qualifier, "No matching " + beanType.getSimpleName() +
				" bean found for qualifier '" + qualifier + "' - neither qualifier match nor bean name match!");
	}
}
 

@Override
protected Object getResourceToInject(Object target, @Nullable String requestingBeanName) {
	if (StringUtils.hasLength(this.beanName)) {
		if (beanFactory != null && beanFactory.containsBean(this.beanName)) {
			// Local match found for explicitly specified local bean name.
			Object bean = beanFactory.getBean(this.beanName, this.lookupType);
			if (requestingBeanName != null && beanFactory instanceof ConfigurableBeanFactory) {
				((ConfigurableBeanFactory) beanFactory).registerDependentBean(this.beanName, requestingBeanName);
			}
			return bean;
		}
		else if (this.isDefaultName && !StringUtils.hasLength(this.mappedName)) {
			throw new NoSuchBeanDefinitionException(this.beanName,
					"Cannot resolve 'beanName' in local BeanFactory. Consider specifying a general 'name' value instead.");
		}
	}
	// JNDI name lookup - may still go to a local BeanFactory.
	return getResource(this, requestingBeanName);
}
 

@Test
public void testAutowiredMethodParameterWithSingleNonQualifiedCandidate() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs = new ConstructorArgumentValues();
	cavs.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person = new RootBeanDefinition(Person.class, cavs, null);
	context.registerBeanDefinition(JUERGEN, person);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedMethodParameterTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

/**
 * Check that a prototype can't inherit from a bogus parent.
 * If a singleton does this the factory will fail to load.
 */
@Test
public void testBogusParentageFromParentFactory() {
	DefaultListableBeanFactory parent = new DefaultListableBeanFactory();
	new XmlBeanDefinitionReader(parent).loadBeanDefinitions(PARENT_CONTEXT);
	DefaultListableBeanFactory child = new DefaultListableBeanFactory(parent);
	new XmlBeanDefinitionReader(child).loadBeanDefinitions(CHILD_CONTEXT);
	try {
		child.getBean("bogusParent", TestBean.class);
		fail();
	}
	catch (BeanDefinitionStoreException ex) {
		// check exception message contains the name
		assertTrue(ex.getMessage().contains("bogusParent"));
		assertTrue(ex.getCause() instanceof NoSuchBeanDefinitionException);
	}
}
 

@Test
public void aliasing() {
	BeanFactory bf = getBeanFactory();
	if (!(bf instanceof ConfigurableBeanFactory)) {
		return;
	}
	ConfigurableBeanFactory cbf = (ConfigurableBeanFactory) bf;

	String alias = "rods alias";
	try {
		cbf.getBean(alias);
		fail("Shouldn't permit factory get on normal bean");
	}
	catch (NoSuchBeanDefinitionException ex) {
		// Ok
		assertTrue(alias.equals(ex.getBeanName()));
	}

	// Create alias
	cbf.registerAlias("rod", alias);
	Object rod = getBeanFactory().getBean("rod");
	Object aliasRod = getBeanFactory().getBean(alias);
	assertTrue(rod == aliasRod);
}
 

/**
 * Determine whether the specified bean definition qualifies as an autowire candidate,
 * to be injected into other beans which declare a dependency of matching type.
 * @param beanName the name of the bean definition to check
 * @param descriptor the descriptor of the dependency to resolve
 * @param resolver the AutowireCandidateResolver to use for the actual resolution algorithm
 * @return whether the bean should be considered as autowire candidate
 */
protected boolean isAutowireCandidate(String beanName, DependencyDescriptor descriptor, AutowireCandidateResolver resolver)
		throws NoSuchBeanDefinitionException {

	String beanDefinitionName = BeanFactoryUtils.transformedBeanName(beanName);
	if (containsBeanDefinition(beanDefinitionName)) {
		return isAutowireCandidate(beanName, getMergedLocalBeanDefinition(beanDefinitionName), descriptor, resolver);
	}
	else if (containsSingleton(beanName)) {
		return isAutowireCandidate(beanName, new RootBeanDefinition(getType(beanName)), descriptor, resolver);
	}

	BeanFactory parent = getParentBeanFactory();
	if (parent instanceof DefaultListableBeanFactory) {
		// No bean definition found in this factory -> delegate to parent.
		return ((DefaultListableBeanFactory) parent).isAutowireCandidate(beanName, descriptor, resolver);
	}
	else if (parent instanceof ConfigurableListableBeanFactory) {
		// If no DefaultListableBeanFactory, can't pass the resolver along.
		return ((ConfigurableListableBeanFactory) parent).isAutowireCandidate(beanName, descriptor);
	}
	else {
		return true;
	}
}
 

@Test
public void autowiredFieldWithMultipleNonQualifiedCandidates() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
	cavs1.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
	ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
	cavs2.addGenericArgumentValue(MARK);
	RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
	context.registerBeanDefinition(JUERGEN, person1);
	context.registerBeanDefinition(MARK, person2);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedFieldTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

/**
 * Initialize the MultipartResolver used by this class.
 * <p>If no bean is defined with the given name in the BeanFactory for this namespace,
 * no multipart handling is provided.
 */
private void initMultipartResolver(ApplicationContext context) {
	try {
		this.multipartResolver = context.getBean(MULTIPART_RESOLVER_BEAN_NAME, MultipartResolver.class);
		if (logger.isTraceEnabled()) {
			logger.trace("Detected " + this.multipartResolver);
		}
		else if (logger.isDebugEnabled()) {
			logger.debug("Detected " + this.multipartResolver.getClass().getSimpleName());
		}
	}
	catch (NoSuchBeanDefinitionException ex) {
		// Default is no multipart resolver.
		this.multipartResolver = null;
		if (logger.isTraceEnabled()) {
			logger.trace("No MultipartResolver '" + MULTIPART_RESOLVER_BEAN_NAME + "' declared");
		}
	}
}
 

@Override
public Class<?> getType(String name) throws NoSuchBeanDefinitionException {
	String beanName = BeanFactoryUtils.transformedBeanName(name);

	Object bean = this.beans.get(beanName);
	if (bean == null) {
		throw new NoSuchBeanDefinitionException(beanName,
				"Defined beans are [" + StringUtils.collectionToCommaDelimitedString(this.beans.keySet()) + "]");
	}

	if (bean instanceof FactoryBean && !BeanFactoryUtils.isFactoryDereference(name)) {
		// If it's a FactoryBean, we want to look at what it creates, not the factory class.
		return ((FactoryBean<?>) bean).getObjectType();
	}
	return bean.getClass();
}
 

/**
 * Initialize the MultipartResolver used by this class.
 * <p>If no bean is defined with the given name in the BeanFactory for this namespace,
 * no multipart handling is provided.
 */
private void initMultipartResolver(ApplicationContext context) {
	try {
		this.multipartResolver = context.getBean(MULTIPART_RESOLVER_BEAN_NAME, MultipartResolver.class);
		if (logger.isTraceEnabled()) {
			logger.trace("Detected " + this.multipartResolver);
		}
		else if (logger.isDebugEnabled()) {
			logger.debug("Detected " + this.multipartResolver.getClass().getSimpleName());
		}
	}
	catch (NoSuchBeanDefinitionException ex) {
		// Default is no multipart resolver.
		this.multipartResolver = null;
		if (logger.isTraceEnabled()) {
			logger.trace("No MultipartResolver '" + MULTIPART_RESOLVER_BEAN_NAME + "' declared");
		}
	}
}
 

/**
 * Initialize the LocaleResolver used by this class.
 * <p>If no bean is defined with the given name in the BeanFactory for this namespace,
 * we default to AcceptHeaderLocaleResolver.
 */
private void initLocaleResolver(ApplicationContext context) {
	try {
		this.localeResolver = context.getBean(LOCALE_RESOLVER_BEAN_NAME, LocaleResolver.class);
		if (logger.isTraceEnabled()) {
			logger.trace("Detected " + this.localeResolver);
		}
		else if (logger.isDebugEnabled()) {
			logger.debug("Detected " + this.localeResolver.getClass().getSimpleName());
		}
	}
	catch (NoSuchBeanDefinitionException ex) {
		// We need to use the default.
		this.localeResolver = getDefaultStrategy(context, LocaleResolver.class);
		if (logger.isTraceEnabled()) {
			logger.trace("No LocaleResolver '" + LOCALE_RESOLVER_BEAN_NAME +
					"': using default [" + this.localeResolver.getClass().getSimpleName() + "]");
		}
	}
}
 

/**
 * Initialize the ThemeResolver used by this class.
 * <p>If no bean is defined with the given name in the BeanFactory for this namespace,
 * we default to a FixedThemeResolver.
 */
private void initThemeResolver(ApplicationContext context) {
	try {
		this.themeResolver = context.getBean(THEME_RESOLVER_BEAN_NAME, ThemeResolver.class);
		if (logger.isTraceEnabled()) {
			logger.trace("Detected " + this.themeResolver);
		}
		else if (logger.isDebugEnabled()) {
			logger.debug("Detected " + this.themeResolver.getClass().getSimpleName());
		}
	}
	catch (NoSuchBeanDefinitionException ex) {
		// We need to use the default.
		this.themeResolver = getDefaultStrategy(context, ThemeResolver.class);
		if (logger.isTraceEnabled()) {
			logger.trace("No ThemeResolver '" + THEME_RESOLVER_BEAN_NAME +
					"': using default [" + this.themeResolver.getClass().getSimpleName() + "]");
		}
	}
}
 

@Override
public boolean isFactoryBean(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);
	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		return (beanInstance instanceof FactoryBean);
	}
	// No singleton instance found -> check bean definition.
	if (!containsBeanDefinition(beanName) && getParentBeanFactory() instanceof ConfigurableBeanFactory) {
		// No bean definition found in this factory -> delegate to parent.
		return ((ConfigurableBeanFactory) getParentBeanFactory()).isFactoryBean(name);
	}
	return isFactoryBean(beanName, getMergedLocalBeanDefinition(beanName));
}
 

@Test
public void testAutowiredFieldDoesNotResolveWithMultipleQualifierValuesAndMultipleMatchingCandidates() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
	cavs1.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
	AutowireCandidateQualifier qualifier = new AutowireCandidateQualifier(TestQualifierWithMultipleAttributes.class);
	qualifier.setAttribute("number", 123);
	person1.addQualifier(qualifier);
	ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
	cavs2.addGenericArgumentValue(MARK);
	RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
	AutowireCandidateQualifier qualifier2 = new AutowireCandidateQualifier(TestQualifierWithMultipleAttributes.class);
	qualifier2.setAttribute("number", 123);
	qualifier2.setAttribute("value", "default");
	person2.addQualifier(qualifier2);
	context.registerBeanDefinition(JUERGEN, person1);
	context.registerBeanDefinition(MARK, person2);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedFieldWithMultipleAttributesTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

private void assertSupportForComposedAnnotationWithExclude(RootBeanDefinition beanDefinition) {
	beanFactory.registerBeanDefinition("config", beanDefinition);
	ConfigurationClassPostProcessor pp = new ConfigurationClassPostProcessor();
	pp.setEnvironment(new StandardEnvironment());
	pp.postProcessBeanFactory(beanFactory);
	try {
		beanFactory.getBean(SimpleComponent.class);
		fail("Should have thrown NoSuchBeanDefinitionException");
	}
	catch (NoSuchBeanDefinitionException ex) {
		// expected
	}
}
 

@Test
public void testAutowiredFieldDoesNotResolveWithMultipleQualifierValuesAndConflictingDefaultValue() {
	GenericApplicationContext context = new GenericApplicationContext();
	ConstructorArgumentValues cavs1 = new ConstructorArgumentValues();
	cavs1.addGenericArgumentValue(JUERGEN);
	RootBeanDefinition person1 = new RootBeanDefinition(Person.class, cavs1, null);
	AutowireCandidateQualifier qualifier = new AutowireCandidateQualifier(TestQualifierWithMultipleAttributes.class);
	qualifier.setAttribute("number", 456);
	person1.addQualifier(qualifier);
	ConstructorArgumentValues cavs2 = new ConstructorArgumentValues();
	cavs2.addGenericArgumentValue(MARK);
	RootBeanDefinition person2 = new RootBeanDefinition(Person.class, cavs2, null);
	AutowireCandidateQualifier qualifier2 = new AutowireCandidateQualifier(TestQualifierWithMultipleAttributes.class);
	qualifier2.setAttribute("number", 123);
	qualifier2.setAttribute("value", "not the default");
	person2.addQualifier(qualifier2);
	context.registerBeanDefinition(JUERGEN, person1);
	context.registerBeanDefinition(MARK, person2);
	context.registerBeanDefinition("autowired",
			new RootBeanDefinition(QualifiedFieldWithMultipleAttributesTestBean.class));
	AnnotationConfigUtils.registerAnnotationConfigProcessors(context);
	try {
		context.refresh();
		fail("expected BeanCreationException");
	}
	catch (BeanCreationException e) {
		assertTrue(e.getRootCause() instanceof NoSuchBeanDefinitionException);
		assertEquals("autowired", e.getBeanName());
	}
}
 

@Override
public boolean isPrototype(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	BeanFactory parentBeanFactory = getParentBeanFactory();
	if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
		// No bean definition found in this factory -> delegate to parent.
		return parentBeanFactory.isPrototype(originalBeanName(name));
	}

	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
	if (mbd.isPrototype()) {
		// In case of FactoryBean, return singleton status of created object if not a dereference.
		return (!BeanFactoryUtils.isFactoryDereference(name) || isFactoryBean(beanName, mbd));
	}

	// Singleton or scoped - not a prototype.
	// However, FactoryBean may still produce a prototype object...
	if (BeanFactoryUtils.isFactoryDereference(name)) {
		return false;
	}
	if (isFactoryBean(beanName, mbd)) {
		final FactoryBean<?> fb = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
		if (System.getSecurityManager() != null) {
			return AccessController.doPrivileged((PrivilegedAction<Boolean>) () ->
					((fb instanceof SmartFactoryBean && ((SmartFactoryBean<?>) fb).isPrototype()) || !fb.isSingleton()),
					getAccessControlContext());
		}
		else {
			return ((fb instanceof SmartFactoryBean && ((SmartFactoryBean<?>) fb).isPrototype()) ||
					!fb.isSingleton());
		}
	}
	else {
		return false;
	}
}