[Spring] AOP 어노테이션

 

package aopEx02;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class Aop {
	@Before("within(패키지명.클래스)")
	public void beforeAdvice() {
		System.out.println("핵심 로직 실행 전에 호출되는 공통 모듈");
	}
	
	@After("within(패키지명.클래스)")
	public void afterAdvice() {
		System.out.println("핵심 로직 실행 후에 호출되는 공통 모듈");
	}
	
	@AfterThrowing("within(패키지명.클래스)")
	public void afterThrowingAdvice() {
		System.out.println("핵심 로직이 에러가 발생하여 종료 되었습니다");
	}
	
	@AfterReturning("within(패키지명.클래스)")
	public void afterReturningAdvice() {
		System.out.println("핵심로직이 정상 종료되었습니다");
	}
	
	@Around("within(패키지명.클래스)")
	public Object aroundAdvice(ProceedingJoinPoint joinpoint) throws Throwable {
		System.out.println("핵심로직 실행전");
		try {
			System.out.println("핵심로직 실행전2");
			Object obj = joinpoint.proceed(); //핵심로직 실행
			return obj;
		}finally {
			System.out.println("핵심로직 실행후");
		}
	}
}

 
 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd">
	
	<context:component-scan base-package="aopEx02" />
	<aop:aspectj-autoproxy /> <!-- aop 어노테이션을 실행함 -->
</beans>