Spring 扩展 -BeanFactoryPostProcessor

public class MyBeanFactoryPostProcessor implements BeanFactoryPostProcessor {
	@Override	public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {		System.out.println("执行postProcessBeanFactory方法");
	}}
class TestMyBeanFactoryPostProcessor {	public static void main(String[] args) {		ApplicationContext context = new MyClassPathXmlApplicationContext("applicationContext.xml");	}}

<bean class="com.learn.MyBeanFactoryPostProcessor" ></bean>

public class MyClassPathXmlApplicationContext extends ClassPathXmlApplicationContext {
	/**	 * 构造函数-必须要定义	 *	 * @param configLocations	 * @throws BeansException	 */	public MyClassPathXmlApplicationContext(String... configLocations) throws BeansException {		super(configLocations);	}
	@Override	protected void customizeBeanFactory(DefaultListableBeanFactory beanFactory) {
		super.addBeanFactoryPostProcessor(new MyBeanFactoryPostProcessor());		super.customizeBeanFactory(beanFactory);	}}

ApplicationContext context = new MyClassPathXmlApplicationContext("applicationContext.xml");// ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");