org.springframework.beans.factory.BeanFactoryUtils#transformedBeanName ( )源码实例Demo

/**
 * Retrieve all applicable Lifecycle beans: all singletons that have already been created,
 * as well as all SmartLifecycle beans (even if they are marked as lazy-init).
 * @return the Map of applicable beans, with bean names as keys and bean instances as values
 */
protected Map<String, Lifecycle> getLifecycleBeans() {
	ConfigurableListableBeanFactory beanFactory = getBeanFactory();
	Map<String, Lifecycle> beans = new LinkedHashMap<>();
	String[] beanNames = beanFactory.getBeanNamesForType(Lifecycle.class, false, false);
	for (String beanName : beanNames) {
		String beanNameToRegister = BeanFactoryUtils.transformedBeanName(beanName);
		boolean isFactoryBean = beanFactory.isFactoryBean(beanNameToRegister);
		String beanNameToCheck = (isFactoryBean ? BeanFactory.FACTORY_BEAN_PREFIX + beanName : beanName);
		if ((beanFactory.containsSingleton(beanNameToRegister) &&
				(!isFactoryBean || matchesBeanType(Lifecycle.class, beanNameToCheck, beanFactory))) ||
				matchesBeanType(SmartLifecycle.class, beanNameToCheck, beanFactory)) {
			Object bean = beanFactory.getBean(beanNameToCheck);
			if (bean != this && bean instanceof Lifecycle) {
				beans.put(beanNameToRegister, (Lifecycle) bean);
			}
		}
	}
	return beans;
}
 

@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();
}
 

/**
 * 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;
	}
}
 

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

/**
 * Retrieve all applicable Lifecycle beans: all singletons that have already been created,
 * as well as all SmartLifecycle beans (even if they are marked as lazy-init).
 * @return the Map of applicable beans, with bean names as keys and bean instances as values
 */
protected Map<String, Lifecycle> getLifecycleBeans() {
	ConfigurableListableBeanFactory beanFactory = getBeanFactory();
	Map<String, Lifecycle> beans = new LinkedHashMap<>();
	String[] beanNames = beanFactory.getBeanNamesForType(Lifecycle.class, false, false);
	for (String beanName : beanNames) {
		String beanNameToRegister = BeanFactoryUtils.transformedBeanName(beanName);
		boolean isFactoryBean = beanFactory.isFactoryBean(beanNameToRegister);
		String beanNameToCheck = (isFactoryBean ? BeanFactory.FACTORY_BEAN_PREFIX + beanName : beanName);
		if ((beanFactory.containsSingleton(beanNameToRegister) &&
				(!isFactoryBean || matchesBeanType(Lifecycle.class, beanNameToCheck, beanFactory))) ||
				matchesBeanType(SmartLifecycle.class, beanNameToCheck, beanFactory)) {
			Object bean = beanFactory.getBean(beanNameToCheck);
			if (bean != this && bean instanceof Lifecycle) {
				beans.put(beanNameToRegister, (Lifecycle) bean);
			}
		}
	}
	return beans;
}
 

@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();
}
 

/**
 * 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;
	}
}
 

/**
 * Retrieve all applicable Lifecycle beans: all singletons that have already been created,
 * as well as all SmartLifecycle beans (even if they are marked as lazy-init).
 * @return the Map of applicable beans, with bean names as keys and bean instances as values
 */
protected Map<String, Lifecycle> getLifecycleBeans() {
	Map<String, Lifecycle> beans = new LinkedHashMap<String, Lifecycle>();
	String[] beanNames = this.beanFactory.getBeanNamesForType(Lifecycle.class, false, false);
	for (String beanName : beanNames) {
		String beanNameToRegister = BeanFactoryUtils.transformedBeanName(beanName);
		boolean isFactoryBean = this.beanFactory.isFactoryBean(beanNameToRegister);
		String beanNameToCheck = (isFactoryBean ? BeanFactory.FACTORY_BEAN_PREFIX + beanName : beanName);
		if ((this.beanFactory.containsSingleton(beanNameToRegister) &&
				(!isFactoryBean || Lifecycle.class.isAssignableFrom(this.beanFactory.getType(beanNameToCheck)))) ||
				SmartLifecycle.class.isAssignableFrom(this.beanFactory.getType(beanNameToCheck))) {
			Lifecycle bean = this.beanFactory.getBean(beanNameToCheck, Lifecycle.class);
			if (bean != this) {
				beans.put(beanNameToRegister, bean);
			}
		}
	}
	return beans;
}
 

@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();
}
 

/**
 * 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;
	}
}
 

@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();
}
 

@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();
}
 

@Override
   public boolean isAutowireCandidate(String beanName, DependencyDescriptor descriptor)
		throws NoSuchBeanDefinitionException {

	// Consider FactoryBeans as autowiring candidates.
	boolean isFactoryBean = (descriptor != null && descriptor.getDependencyType() != null &&
			FactoryBean.class.isAssignableFrom(descriptor.getDependencyType()));
	if (isFactoryBean) {
		beanName = BeanFactoryUtils.transformedBeanName(beanName);
	}

	if (containsBeanDefinition(beanName)) {
		return isAutowireCandidate(beanName, getMergedLocalBeanDefinition(beanName), descriptor);
	}
	else if (containsSingleton(beanName)) {
		return isAutowireCandidate(beanName, new RootBeanDefinition(getType(beanName)), descriptor);
	}
	else if (getParentBeanFactory() instanceof ConfigurableListableBeanFactory) {
		// No bean definition found in this factory -> delegate to parent.
		return ((ConfigurableListableBeanFactory) getParentBeanFactory()).isAutowireCandidate(beanName, descriptor);
	}
	else {
		return true;
	}
}
 

/**
 * 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 mbd the merged 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, RootBeanDefinition mbd,
		DependencyDescriptor descriptor, AutowireCandidateResolver resolver) {

	String beanDefinitionName = BeanFactoryUtils.transformedBeanName(beanName);
	resolveBeanClass(mbd, beanDefinitionName);
	if (mbd.isFactoryMethodUnique) {
		boolean resolve;
		synchronized (mbd.constructorArgumentLock) {
			resolve = (mbd.resolvedConstructorOrFactoryMethod == null);
		}
		if (resolve) {
			new ConstructorResolver(this).resolveFactoryMethodIfPossible(mbd);
		}
	}
	return resolver.isAutowireCandidate(
			new BeanDefinitionHolder(mbd, beanName, getAliases(beanDefinitionName)), descriptor);
}
 

/**
 * Retrieve all applicable Lifecycle beans: all singletons that have already been created,
 * as well as all SmartLifecycle beans (even if they are marked as lazy-init).
 * @return the Map of applicable beans, with bean names as keys and bean instances as values
 */
protected Map<String, Lifecycle> getLifecycleBeans() {
	Map<String, Lifecycle> beans = new LinkedHashMap<String, Lifecycle>();
	String[] beanNames = this.beanFactory.getBeanNamesForType(Lifecycle.class, false, false);
	for (String beanName : beanNames) {
		String beanNameToRegister = BeanFactoryUtils.transformedBeanName(beanName);
		boolean isFactoryBean = this.beanFactory.isFactoryBean(beanNameToRegister);
		String beanNameToCheck = (isFactoryBean ? BeanFactory.FACTORY_BEAN_PREFIX + beanName : beanName);
		if ((this.beanFactory.containsSingleton(beanNameToRegister) &&
				(!isFactoryBean || Lifecycle.class.isAssignableFrom(this.beanFactory.getType(beanNameToCheck)))) ||
				SmartLifecycle.class.isAssignableFrom(this.beanFactory.getType(beanNameToCheck))) {
			Lifecycle bean = this.beanFactory.getBean(beanNameToCheck, Lifecycle.class);
			if (bean != this) {
				beans.put(beanNameToRegister, bean);
			}
		}
	}
	return beans;
}
 

@Override
public Object getBean(String name) throws BeansException {
	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()) + "]");
	}

	// Don't let calling code try to dereference the
	// bean factory if the bean isn't a factory
	if (BeanFactoryUtils.isFactoryDereference(name) && !(bean instanceof FactoryBean)) {
		throw new BeanIsNotAFactoryException(beanName, bean.getClass());
	}

	if (bean instanceof FactoryBean && !BeanFactoryUtils.isFactoryDereference(name)) {
		try {
			Object exposedObject = ((FactoryBean<?>) bean).getObject();
			if (exposedObject == null) {
				throw new BeanCreationException(beanName, "FactoryBean exposed null object");
			}
			return exposedObject;
		}
		catch (Exception ex) {
			throw new BeanCreationException(beanName, "FactoryBean threw exception on object creation", ex);
		}
	}
	else {
		return bean;
	}
}
 

@Override
public Object getBean(String name) throws BeansException {
	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()) + "]");
	}

	// Don't let calling code try to dereference the
	// bean factory if the bean isn't a factory
	if (BeanFactoryUtils.isFactoryDereference(name) && !(bean instanceof FactoryBean)) {
		throw new BeanIsNotAFactoryException(beanName, bean.getClass());
	}

	if (bean instanceof FactoryBean && !BeanFactoryUtils.isFactoryDereference(name)) {
		try {
			Object exposedObject = ((FactoryBean<?>) bean).getObject();
			if (exposedObject == null) {
				throw new BeanCreationException(beanName, "FactoryBean exposed null object");
			}
			return exposedObject;
		}
		catch (Exception ex) {
			throw new BeanCreationException(beanName, "FactoryBean threw exception on object creation", ex);
		}
	}
	else {
		return bean;
	}
}
 

/**
 * 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 mbd the merged 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, RootBeanDefinition mbd,
		DependencyDescriptor descriptor, AutowireCandidateResolver resolver) {

	String beanDefinitionName = BeanFactoryUtils.transformedBeanName(beanName);
	resolveBeanClass(mbd, beanDefinitionName);
	if (mbd.isFactoryMethodUnique && mbd.factoryMethodToIntrospect == null) {
		new ConstructorResolver(this).resolveFactoryMethodIfPossible(mbd);
	}
	return resolver.isAutowireCandidate(
			new BeanDefinitionHolder(mbd, beanName, getAliases(beanDefinitionName)), descriptor);
}
 

@Override
public Object getBean(String name) throws BeansException {
	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()) + "]");
	}

	// Don't let calling code try to dereference the
	// bean factory if the bean isn't a factory
	if (BeanFactoryUtils.isFactoryDereference(name) && !(bean instanceof FactoryBean)) {
		throw new BeanIsNotAFactoryException(beanName, bean.getClass());
	}

	if (bean instanceof FactoryBean && !BeanFactoryUtils.isFactoryDereference(name)) {
		try {
			return ((FactoryBean<?>) bean).getObject();
		}
		catch (Exception ex) {
			throw new BeanCreationException(beanName, "FactoryBean threw exception on object creation", ex);
		}
	}
	else {
		return bean;
	}
}
 

@Override
public Object getBean(String name) throws BeansException {
	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()) + "]");
	}

	// Don't let calling code try to dereference the
	// bean factory if the bean isn't a factory
	if (BeanFactoryUtils.isFactoryDereference(name) && !(bean instanceof FactoryBean)) {
		throw new BeanIsNotAFactoryException(beanName, bean.getClass());
	}

	if (bean instanceof FactoryBean && !BeanFactoryUtils.isFactoryDereference(name)) {
		try {
			return ((FactoryBean<?>) bean).getObject();
		}
		catch (Exception ex) {
			throw new BeanCreationException(beanName, "FactoryBean threw exception on object creation", ex);
		}
	}
	else {
		return bean;
	}
}