Example usage for org.springframework.beans.factory BeanIsNotAFactoryException BeanIsNotAFactoryException

Introduction

In this page you can find the example usage for org.springframework.beans.factory BeanIsNotAFactoryException BeanIsNotAFactoryException.

Prototype

public BeanIsNotAFactoryException(String name, Class<?> actualType) 

Source Link

Document

Create a new BeanIsNotAFactoryException.

Usage

From source file:org.springframework.beans.factory.support.AbstractBeanFactory.java

/**
 * Get the object for the given shared bean, either the bean
 * instance itself or its created object in case of a FactoryBean.
 * @param name name that may include factory dereference prefix
 * @param beanInstance the shared bean instance
 * @return the singleton instance of the bean
 *//* ww w . java 2 s .  c  o m*/
protected Object getObjectForSharedInstance(String name, Object beanInstance) throws BeansException {
    String beanName = transformedBeanName(name);

    // Don't let calling code try to dereference the
    // bean factory if the bean isn't a factory.
    if (isFactoryDereference(name) && !(beanInstance instanceof FactoryBean)) {
        throw new BeanIsNotAFactoryException(beanName, 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) {
        if (!isFactoryDereference(name)) {
            // Return bean instance from factory.
            FactoryBean factory = (FactoryBean) beanInstance;
            if (logger.isDebugEnabled()) {
                logger.debug("Bean with name '" + beanName + "' is a factory bean");
            }
            try {
                beanInstance = factory.getObject();
            } catch (Exception ex) {
                throw new BeanCreationException(beanName, "FactoryBean threw exception on object creation", ex);
            }
            if (beanInstance == null) {
                throw new FactoryBeanNotInitializedException(beanName, "FactoryBean returned null object: "
                        + "probably not fully initialized (maybe due to circular bean reference)");
            }
        } else {
            // The user wants the factory itself.
            if (logger.isDebugEnabled()) {
                logger.debug("Calling code asked for FactoryBean instance for name '" + beanName + "'");
            }
        }
    }

    return beanInstance;
}

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