spring入门（4）---spring中Bean的生命周期总结 (二)

package www.csdn.spring.dao;

import org.springframework.beans.BeansException;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.BeanFactoryAware;

import org.springframework.beans.factory.BeanNameAware;

import org.springframework.beans.factory.DisposableBean;

import org.springframework.beans.factory.InitializingBean;

import org.springframework.context.ApplicationContext;

import org.springframework.context.ApplicationContextAware;

public class HelloDaoImpl implements BeanNameAware, BeanFactoryAware,

InitializingBean, ApplicationContextAware, DisposableBean {

private String content;

public HelloDaoImpl() {

System.out.println("----------HelloDaoImpl实例化");

}

public void setContent(String content) {

System.out.println("----------通过依赖注入的内容是:" + content);

this.content = content;

}

@Override

public void setBeanName(String beanId) {

System.out.println("----------输出BeanId:" + beanId);

}

@Override

public void setBeanFactory(BeanFactory factory) throws BeansException {

System.out.println("----------factory:" + factory.getClass());

}

@Override

public void setApplicationContext(ApplicationContext applicationContext)

throws BeansException {

System.out.println("----------" + applicationContext);

}

@Override

public void afterPropertiesSet() throws Exception {

System.out.println("----------afterPropertiesSet");

}

public void init() {

System.out.println("----------初始化方法");

}

@Override

public void destroy() throws Exception {

System.out.println("----------bean被销毁");

}

public void close() {

System.out.println("----------close");

}

}

创建BeanPostProcessor实现类

[java]
package www.csdn.spring.dao;


import org.springframework.beans.BeansException;

import org.springframework.beans.factory.config.BeanPostProcessor;


public class BeanPostProcessorImpl implements BeanPostProcessor {

@Override

public Object postProcessBeforeInitialization(Object bean, String beanName)

throws BeansException {

System.out.println("我把:" + beanName + "实例化化之前的操作");

return bean;

}


@Override

public Object postProcessAfterInitialization(Object bean,