Day60 Spring-AOP

annotation방식으로 aop 설정하기

1. 디펜더시 세팅

<dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjrt</artifactId> <version>1.8.6</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.6</version> </dependency> </dependencies>

2. annotation방식에서도 일단 등장인물들을 빈으로 등록부터

namespace : context, + aop체크

<context:component-scan base-package="*"/>

+ <aop:aspectj-autoproxy></aop:aspectj-autoproxy>

@Component

@Aspect  <<<<< (pointcut + advice)의 정보를 입력

public class MyAspect{         

@Pointcut("excution(public * test.* . abcd()")

public void myPt(){}

@Before("myPt()")

public void before(JoinPoint jp){

     System.out.println(jp.getSignature());//AOP정보 출력

System.out.println(jp.getTarget());//핵심관심사항객체 리턴

System.out.println("야생의 휘동몬을 조우하였다!!");

}

      @After("myPt()")

public void after(JoinPoint jp){

System.out.println("효과는 탁월하였다!!");

}

@AfterReturning(pointcut="myPt()", returning="msg")

public void after_returning(JoinPoint jp, String msg){

System.out.println(msg);

}

@AfterThrowing(pointcut="myPt()", throwing="th")

public void after_throwing(JoinPoint jp, Throwable th){

System.out.println(th.getMessage() + "  : 가라 몬스터볼!!");

}

---

@Component

public class Pikachu implements IPokemon{

@Override

public String fighting() throws Exception {

// TODO Auto-generated method stub

System.out.println("피카츄 백만볼트!!");

if(new Random().nextBoolean())

throw new Exception("피카츄 전광석화!!");

return "pika!!";

}

}