Spring 3.1's Configurer Pattern

AppConfig.java

    @Configuration
    @EnableHello
    public class AppConfig implements NameConfigurer {
        @Override
        public void configure(Hello hello) {
            hello.setName("Thank you very much, Toby.");
        }
    }

EnableHello.java

    @Retention(value = RetentionPolicy.RUNTIME)
    @Import(HelloConfig.class)
    public @interface EnableHello {

    }

HelloConfig.java

    @Configuration
    public class HelloConfig {
        
        @Autowired NameConfigurer configurer;

        @Bean
        public Hello hello() {
            Hello h = new Hello();
            configurer.configure(h);
            return h;
        }
        
    }

NameConfigurer.java

    public interface NameConfigurer {
        void configure(Hello hello);
    }