【spring源码学习】BeanPostProcessor接口学习

package org.springframework.beans.factory.config;

import org.springframework.beans.BeansException;

public interface BeanPostProcessor {

    /**
     *IOC容器中的bean实例化之前执行
     */
    Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException;

    /**
     *IOC容器中的bean实例化之后执行
     */
    Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException;

}

package com.mobile.thinks.manages.study;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.stereotype.Component;

@Component
public class MyBeanPostProcessor implements BeanPostProcessor{

    /**
     * IOC容器中bean在被实例化之前执行该方法
     */
    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName)
            throws BeansException {
            Class<?>  cls=bean.getClass();
            System.out.println("sxf  【自定义实例化之前】postProcessBeforeInitialization类路径==>"+cls);
            System.out.println("sxf  【自定义实例化之前】postProcessBeforeInitialization初始化对象的名字==>"+beanName);
        return bean;
    }

    
    /**
     * IOC容器中bean在被实例化之后执行该方法
     */
    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName)
            throws BeansException {
        Class<?>  cls=bean.getClass();
        System.out.println("sxf  【自定义实例化之后】postProcessBeforeInitialization类路径==>"+cls);
        System.out.println("sxf  【自定义实例化之后】postProcessBeforeInitialization初始化对象的名字==>"+beanName);
        return bean;
    }
    
    

}