예제 4-15 @Bean으로 소멸 메서드 정의([[initializing-bean-destroy]] DestructiveBeanConfigDemo.java)

package com.apress.prospring5.ch4.config;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;
import org.springframework.context.support.GenericApplicationContext;

import com.apress.prospring5.ch4.DestructiveBean;

public class DestructiveBeanConfigDemo {

    @Configuration
    static class DestructiveBeanConfig {

        @Lazy
        @Bean(initMethod = "afterPropertiesSet", destroyMethod = "destroy")
        DestructiveBean destructiveBean() {
            DestructiveBean destructiveBean = 
                    new DestructiveBean();
            destructiveBean.setFilePath(System.getProperty("java.io.tmpdir") +
                    System.getProperty("file.separator") + "test.txt");
            return destructiveBean;
        }

    }

    public static void main(String... args) {
        GenericApplicationContext ctx =
                new AnnotationConfigApplicationContext(DestructiveBeanConfig.class);

        ctx.getBean(DestructiveBean.class);
        System.out.println("destroy() 호출 시작");
        ctx.destroy();
        System.out.println("destroy() 호출 종료");
    }
}