@Component

public class LifeCycleDemoBean implements InitializingBean, DisposableBean, BeanNameAware,

        BeanFactoryAware, ApplicationContextAware, BeanPostProcessor {

​

    public LifeCycleDemoBean() {

        System.out.println("## I'm in the LifeCycleBean Constructor ##");

    }

​

    private String javaVer;

​

    @Value("${java.specification.version}")

    public void setJavaVer(String javaVer) {

        this.javaVer = javaVer;

        System.out.println("## 1 Properties Set. Java Ver: " + this.javaVer );

    }

​

    @Override

    public void setBeanName(String name) {

        System.out.println("## 2 BeanNameAware My Bean Name is: " + name);

    }

​

    @Override

    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {

        System.out.println("## 3 BeanFactoryAware - Bean Factory has been set");

    }

​

    @Override

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {

        System.out.println("## 4 ApplicationContextAware - Application context has been set");

    }

​

    @PostConstruct

    public void postConstruct(){

        System.out.println("## 5 postConstruct The Post Construct annotated method has been called");

    }

​

    @Override

    public void afterPropertiesSet() throws Exception {

        System.out.println("## 6 afterPropertiesSet Populate Properties The LifeCycleBean has its properties set!");

    }

​

    @PreDestroy

    public void preDestroy() {

        System.out.println("## 7 The @PreDestroy annotated method has been called");

    }

​

    @Override

    public void destroy() throws Exception {

        System.out.println("## 8 DisposableBean.destroy The Lifecycle bean has been terminated");

    }

​

    @Override

    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {

        System.out.println("## postProcessBeforeInitialization: " + beanName);

​

        if (bean instanceof MyController){

            MyController myController = (MyController) bean;

            System.out.println("Calling before init");

            myController.beforeInit();

        }

​

        return BeanPostProcessor.super.postProcessBeforeInitialization(bean, beanName);

    }

​

    @Override

    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {

        System.out.println("## postProcessAfterInitialization: " + beanName);

​

        if (bean instanceof MyController){

            MyController myController = (MyController) bean;

            System.out.println("Calling after init");

            myController.afterInit();

        }

​

        return BeanPostProcessor.super.postProcessAfterInitialization(bean, beanName);

    }

​

​

}

​