Java BeanFactoryUtils.isFactoryDereference方法代码示例

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@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();
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@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;
	}
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@Override
public boolean containsBean(String name) {
	String beanName = transformedBeanName(name);
	if (containsSingleton(beanName) || containsBeanDefinition(beanName)) {
		return (!BeanFactoryUtils.isFactoryDereference(name) || isFactoryBean(name));
	}
	// Not found -> check parent.
	BeanFactory parentBeanFactory = getParentBeanFactory();
	return (parentBeanFactory != null && parentBeanFactory.containsBean(originalBeanName(name)));
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
/**
 * Get the object for the given bean instance, either the bean
 * instance itself or its created object in case of a FactoryBean.
 * @param beanInstance the shared bean instance
 * @param name name that may include factory dereference prefix
 * @param beanName the canonical bean name
 * @param mbd the merged bean definition
 * @return the object to expose for the bean
 */
protected Object getObjectForBeanInstance(
		Object beanInstance, String name, String beanName, RootBeanDefinition mbd) {

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

	// Now we have the bean instance, which may be a normal bean or a FactoryBean.
	// If it's a FactoryBean, we use it to create a bean instance, unless the
	// caller actually wants a reference to the factory.
	if (!(beanInstance instanceof FactoryBean) || BeanFactoryUtils.isFactoryDereference(name)) {
		return beanInstance;
	}

	Object object = null;
	if (mbd == null) {
		object = getCachedObjectForFactoryBean(beanName);
	}
	if (object == null) {
		// Return bean instance from factory.
		FactoryBean<?> factory = (FactoryBean<?>) beanInstance;
		// Caches object obtained from FactoryBean if it is a singleton.
		if (mbd == null && containsBeanDefinition(beanName)) {
			mbd = getMergedLocalBeanDefinition(beanName);
		}
		boolean synthetic = (mbd != null && mbd.isSynthetic());
		object = getObjectFromFactoryBean(factory, beanName, !synthetic);
	}
	return object;
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@Override
public boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			return (BeanFactoryUtils.isFactoryDereference(name) || ((FactoryBean<?>) beanInstance).isSingleton());
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}
	else if (containsSingleton(beanName)) {
		return true;
	}

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

		RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

		// In case of FactoryBean, return singleton status of created object if not a dereference.
		if (mbd.isSingleton()) {
			if (isFactoryBean(beanName, mbd)) {
				if (BeanFactoryUtils.isFactoryDereference(name)) {
					return true;
				}
				FactoryBean<?> factoryBean = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
				return factoryBean.isSingleton();
			}
			else {
				return !BeanFactoryUtils.isFactoryDereference(name);
			}
		}
		else {
			return false;
		}
	}
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@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));
	}
	else {
		// 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<?> factoryBean = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
			if (System.getSecurityManager() != null) {
				return AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
					@Override
					public Boolean run() {
						return ((factoryBean instanceof SmartFactoryBean && ((SmartFactoryBean<?>) factoryBean).isPrototype()) ||
								!factoryBean.isSingleton());
					}
				}, getAccessControlContext());
			}
			else {
				return ((factoryBean instanceof SmartFactoryBean && ((SmartFactoryBean<?>) factoryBean).isPrototype()) ||
						!factoryBean.isSingleton());
			}
		}
		else {
			return false;
		}
	}
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@Override
public boolean isTypeMatch(String name, Class<?> targetType) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);
	Class<?> typeToMatch = (targetType != null ? targetType : Object.class);

	// Check manually registered singletons.
	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			if (!BeanFactoryUtils.isFactoryDereference(name)) {
				Class<?> type = getTypeForFactoryBean((FactoryBean<?>) beanInstance);
				return (type != null && ClassUtils.isAssignable(typeToMatch, type));
			}
			else {
				return ClassUtils.isAssignableValue(typeToMatch, beanInstance);
			}
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name) &&
					ClassUtils.isAssignableValue(typeToMatch, beanInstance);
		}
	}
	else if (containsSingleton(beanName) && !containsBeanDefinition(beanName)) {
		// null instance registered
		return false;
	}

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

		// Retrieve corresponding bean definition.
		RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

		Class<?>[] typesToMatch = (FactoryBean.class.equals(typeToMatch) ?
				new Class<?>[] {typeToMatch} : new Class<?>[] {FactoryBean.class, typeToMatch});

		// Check decorated bean definition, if any: We assume it'll be easier
		// to determine the decorated bean's type than the proxy's type.
		BeanDefinitionHolder dbd = mbd.getDecoratedDefinition();
		if (dbd != null && !BeanFactoryUtils.isFactoryDereference(name)) {
			RootBeanDefinition tbd = getMergedBeanDefinition(dbd.getBeanName(), dbd.getBeanDefinition(), mbd);
			Class<?> targetClass = predictBeanType(dbd.getBeanName(), tbd, typesToMatch);
			if (targetClass != null && !FactoryBean.class.isAssignableFrom(targetClass)) {
				return typeToMatch.isAssignableFrom(targetClass);
			}
		}

		Class<?> beanType = predictBeanType(beanName, mbd, typesToMatch);
		if (beanType == null) {
			return false;
		}

		// Check bean class whether we're dealing with a FactoryBean.
		if (FactoryBean.class.isAssignableFrom(beanType)) {
			if (!BeanFactoryUtils.isFactoryDereference(name)) {
				// If it's a FactoryBean, we want to look at what it creates, not the factory class.
				beanType = getTypeForFactoryBean(beanName, mbd);
				if (beanType == null) {
					return false;
				}
			}
		}
		else if (BeanFactoryUtils.isFactoryDereference(name)) {
			// Special case: A SmartInstantiationAwareBeanPostProcessor returned a non-FactoryBean
			// type but we nevertheless are being asked to dereference a FactoryBean...
			// Let's check the original bean class and proceed with it if it is a FactoryBean.
			beanType = predictBeanType(beanName, mbd, FactoryBean.class);
			if (beanType == null || !FactoryBean.class.isAssignableFrom(beanType)) {
				return false;
			}
		}

		return typeToMatch.isAssignableFrom(beanType);
	}
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@Override
public Class<?> getType(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	// Check manually registered singletons.
	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean && !BeanFactoryUtils.isFactoryDereference(name)) {
			return getTypeForFactoryBean((FactoryBean<?>) beanInstance);
		}
		else {
			return beanInstance.getClass();
		}
	}
	else if (containsSingleton(beanName) && !containsBeanDefinition(beanName)) {
		// null instance registered
		return null;
	}

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

		RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

		// Check decorated bean definition, if any: We assume it'll be easier
		// to determine the decorated bean's type than the proxy's type.
		BeanDefinitionHolder dbd = mbd.getDecoratedDefinition();
		if (dbd != null && !BeanFactoryUtils.isFactoryDereference(name)) {
			RootBeanDefinition tbd = getMergedBeanDefinition(dbd.getBeanName(), dbd.getBeanDefinition(), mbd);
			Class<?> targetClass = predictBeanType(dbd.getBeanName(), tbd);
			if (targetClass != null && !FactoryBean.class.isAssignableFrom(targetClass)) {
				return targetClass;
			}
		}

		Class<?> beanClass = predictBeanType(beanName, mbd);

		// Check bean class whether we're dealing with a FactoryBean.
		if (beanClass != null && FactoryBean.class.isAssignableFrom(beanClass)) {
			if (!BeanFactoryUtils.isFactoryDereference(name)) {
				// If it's a FactoryBean, we want to look at what it creates, not at the factory class.
				return getTypeForFactoryBean(beanName, mbd);
			}
			else {
				return beanClass;
			}
		}
		else {
			return (!BeanFactoryUtils.isFactoryDereference(name) ? beanClass : null);
		}
	}
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@Override
public boolean containsLocalBean(String name) {
	String beanName = transformedBeanName(name);
	return ((containsSingleton(beanName) || containsBeanDefinition(beanName)) &&
			(!BeanFactoryUtils.isFactoryDereference(name) || isFactoryBean(beanName)));
}
 

import org.springframework.beans.factory.BeanFactoryUtils; //导入方法依赖的package包/类
@Override
public boolean isTypeMatch(String name, ResolvableType typeToMatch) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	// Check manually registered singletons.
	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			if (!BeanFactoryUtils.isFactoryDereference(name)) {
				Class<?> type = getTypeForFactoryBean((FactoryBean<?>) beanInstance);
				return (type != null && typeToMatch.isAssignableFrom(type));
			}
			else {
				return typeToMatch.isInstance(beanInstance);
			}
		}
		else {
			return (!BeanFactoryUtils.isFactoryDereference(name) && typeToMatch.isInstance(beanInstance));
		}
	}
	else if (containsSingleton(beanName) && !containsBeanDefinition(beanName)) {
		// null instance registered
		return false;
	}

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

		// Retrieve corresponding bean definition.
		RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

		Class<?> classToMatch = typeToMatch.getRawClass();
		Class<?>[] typesToMatch = (FactoryBean.class == classToMatch ?
				new Class<?>[] {classToMatch} : new Class<?>[] {FactoryBean.class, classToMatch});

		// Check decorated bean definition, if any: We assume it'll be easier
		// to determine the decorated bean's type than the proxy's type.
		BeanDefinitionHolder dbd = mbd.getDecoratedDefinition();
		if (dbd != null && !BeanFactoryUtils.isFactoryDereference(name)) {
			RootBeanDefinition tbd = getMergedBeanDefinition(dbd.getBeanName(), dbd.getBeanDefinition(), mbd);
			Class<?> targetClass = predictBeanType(dbd.getBeanName(), tbd, typesToMatch);
			if (targetClass != null && !FactoryBean.class.isAssignableFrom(targetClass)) {
				return typeToMatch.isAssignableFrom(targetClass);
			}
		}

		Class<?> beanType = predictBeanType(beanName, mbd, typesToMatch);
		if (beanType == null) {
			return false;
		}

		// Check bean class whether we're dealing with a FactoryBean.
		if (FactoryBean.class.isAssignableFrom(beanType)) {
			if (!BeanFactoryUtils.isFactoryDereference(name)) {
				// If it's a FactoryBean, we want to look at what it creates, not the factory class.
				beanType = getTypeForFactoryBean(beanName, mbd);
				if (beanType == null) {
					return false;
				}
			}
		}
		else if (BeanFactoryUtils.isFactoryDereference(name)) {
			// Special case: A SmartInstantiationAwareBeanPostProcessor returned a non-FactoryBean
			// type but we nevertheless are being asked to dereference a FactoryBean...
			// Let's check the original bean class and proceed with it if it is a FactoryBean.
			beanType = predictBeanType(beanName, mbd, FactoryBean.class);
			if (beanType == null || !FactoryBean.class.isAssignableFrom(beanType)) {
				return false;
			}
		}

		return typeToMatch.isAssignableFrom(beanType);
	}
}