java类org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessor的实例源码

@Override
public void addBeanPostProcessor(BeanPostProcessor beanPostProcessor) {
    Assert.notNull(beanPostProcessor, "BeanPostProcessor must not be null");
    this.beanPostProcessors.remove(beanPostProcessor);
    this.beanPostProcessors.add(beanPostProcessor);
    if (beanPostProcessor instanceof InstantiationAwareBeanPostProcessor) {
        this.hasInstantiationAwareBeanPostProcessors = true;
    }
    if (beanPostProcessor instanceof DestructionAwareBeanPostProcessor) {
        this.hasDestructionAwareBeanPostProcessors = true;
    }
}

/**
 * Apply InstantiationAwareBeanPostProcessors to the specified bean definition
 * (by class and name), invoking their {@code postProcessBeforeInstantiation} methods.
 * <p>Any returned object will be used as the bean instead of actually instantiating
 * the target bean. A {@code null} return value from the post-processor will
 * result in the target bean being instantiated.
 * @param beanClass the class of the bean to be instantiated
 * @param beanName the name of the bean
 * @return the bean object to use instead of a default instance of the target bean, or {@code null}
 * @throws BeansException if any post-processing failed
 * @see InstantiationAwareBeanPostProcessor#postProcessBeforeInstantiation
 */
protected Object applyBeanPostProcessorsBeforeInstantiation(Class<?> beanClass, String beanName)
        throws BeansException {

    for (BeanPostProcessor bp : getBeanPostProcessors()) {
        if (bp instanceof InstantiationAwareBeanPostProcessor) {
            InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) bp;
            Object result = ibp.postProcessBeforeInstantiation(beanClass, beanName);
            if (result != null) {
                return result;
            }
        }
    }
    return null;
}

@Override
public void addBeanPostProcessor(BeanPostProcessor beanPostProcessor) {
    Assert.notNull(beanPostProcessor, "BeanPostProcessor must not be null");
    this.beanPostProcessors.remove(beanPostProcessor);
    this.beanPostProcessors.add(beanPostProcessor);
    if (beanPostProcessor instanceof InstantiationAwareBeanPostProcessor) {
        this.hasInstantiationAwareBeanPostProcessors = true;
    }
    if (beanPostProcessor instanceof DestructionAwareBeanPostProcessor) {
        this.hasDestructionAwareBeanPostProcessors = true;
    }
}

/**
 * Apply InstantiationAwareBeanPostProcessors to the specified bean definition
 * (by class and name), invoking their {@code postProcessBeforeInstantiation} methods.
 * <p>Any returned object will be used as the bean instead of actually instantiating
 * the target bean. A {@code null} return value from the post-processor will
 * result in the target bean being instantiated.
 * @param beanClass the class of the bean to be instantiated
 * @param beanName the name of the bean
 * @return the bean object to use instead of a default instance of the target bean, or {@code null}
 * @throws BeansException if any post-processing failed
 * @see InstantiationAwareBeanPostProcessor#postProcessBeforeInstantiation
 */
protected Object applyBeanPostProcessorsBeforeInstantiation(Class<?> beanClass, String beanName)
        throws BeansException {

    for (BeanPostProcessor bp : getBeanPostProcessors()) {
        if (bp instanceof InstantiationAwareBeanPostProcessor) {
            InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) bp;
            Object result = ibp.postProcessBeforeInstantiation(beanClass, beanName);
            if (result != null) {
                return result;
            }
        }
    }
    return null;
}

@Override
public void addBeanPostProcessor(BeanPostProcessor beanPostProcessor) {
    Assert.notNull(beanPostProcessor, "BeanPostProcessor must not be null");
    this.beanPostProcessors.remove(beanPostProcessor);
    this.beanPostProcessors.add(beanPostProcessor);
    if (beanPostProcessor instanceof InstantiationAwareBeanPostProcessor) {
        this.hasInstantiationAwareBeanPostProcessors = true;
    }
    if (beanPostProcessor instanceof DestructionAwareBeanPostProcessor) {
        this.hasDestructionAwareBeanPostProcessors = true;
    }
}

/**
 * Apply InstantiationAwareBeanPostProcessors to the specified bean definition
 * (by class and name), invoking their {@code postProcessBeforeInstantiation} methods.
 * <p>Any returned object will be used as the bean instead of actually instantiating
 * the target bean. A {@code null} return value from the post-processor will
 * result in the target bean being instantiated.
 * @param beanClass the class of the bean to be instantiated
 * @param beanName the name of the bean
 * @return the bean object to use instead of a default instance of the target bean, or {@code null}
 * @throws BeansException if any post-processing failed
 * @see InstantiationAwareBeanPostProcessor#postProcessBeforeInstantiation
 */
protected Object applyBeanPostProcessorsBeforeInstantiation(Class<?> beanClass, String beanName)
        throws BeansException {

    for (BeanPostProcessor bp : getBeanPostProcessors()) {
        if (bp instanceof InstantiationAwareBeanPostProcessor) {
            InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) bp;
            Object result = ibp.postProcessBeforeInstantiation(beanClass, beanName);
            if (result != null) {
                return result;
            }
        }
    }
    return null;
}

public void addBeanPostProcessor(BeanPostProcessor beanPostProcessor) {
    Assert.notNull(beanPostProcessor, "BeanPostProcessor must not be null");
    this.beanPostProcessors.remove(beanPostProcessor);
    this.beanPostProcessors.add(beanPostProcessor);
    if (beanPostProcessor instanceof InstantiationAwareBeanPostProcessor) {
        this.hasInstantiationAwareBeanPostProcessors = true;
    }
    if (beanPostProcessor instanceof DestructionAwareBeanPostProcessor) {
        this.hasDestructionAwareBeanPostProcessors = true;
    }
}

/**
 * Apply InstantiationAwareBeanPostProcessors to the specified bean definition
 * (by class and name), invoking their {@code postProcessBeforeInstantiation} methods.
 * <p>Any returned object will be used as the bean instead of actually instantiating
 * the target bean. A {@code null} return value from the post-processor will
 * result in the target bean being instantiated.
 * @param beanClass the class of the bean to be instantiated
 * @param beanName the name of the bean
 * @return the bean object to use instead of a default instance of the target bean, or {@code null}
 * @throws BeansException if any post-processing failed
 * @see InstantiationAwareBeanPostProcessor#postProcessBeforeInstantiation
 */
protected Object applyBeanPostProcessorsBeforeInstantiation(Class<?> beanClass, String beanName)
        throws BeansException {

    for (BeanPostProcessor bp : getBeanPostProcessors()) {
        if (bp instanceof InstantiationAwareBeanPostProcessor) {
            InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) bp;
            Object result = ibp.postProcessBeforeInstantiation(beanClass, beanName);
            if (result != null) {
                return result;
            }
        }
    }
    return null;
}