bean-lifecycle-2

bean-lifecycle-2.java

@Component
public class LifeCycleDemoBeanPostProcessor implements BeanPostProcessor {
    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {

        if(bean instanceof LifeCycleDemoBean){
            ((LifeCycleDemoBean) bean).beforeInit();
        }

        return bean;
    }

    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
        if(bean instanceof LifeCycleDemoBean){
            ((LifeCycleDemoBean) bean).afterInit();
        }

        return bean;
    }
}