[Spring] 21.Spring AOP(XML, Point Cut②)

이전 시간에는 포인트 컷과 Advisor를 따로 분리했었는데 이것들을 하나의 Advisor로 합쳐보자

 

<?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:p="http://www.springframework.org/schema/p"
       xmlns:util="http://www.springframework.org/schema/util"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/util
       http://www.springframework.org/schema/util/spring-util-3.0.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.0.xsd">
	
	
	<bean id="target" class="spring.aop.entity.NewlecExam" p:kor="1" p:eng="1" p:com="1" p:math="1"/>
	<bean id="logAroundAdvice" class="spring.aop.advice.LogAroundAdvice"/>
	<bean id="logBeforeAdvice" class="spring.aop.advice.LogBeforeAdvice"/>
	<bean id="logAfterReturningAdvice" class="spring.aop.advice.LogAfterReturningAdvice"/>
	<bean id="logAfterThrowingAdvice" class="spring.aop.advice.LogAfterThrowingAdvice"/>
    
	/*
 	<bean id="classicPointCut" class="org.springframework.aop.support.NameMatchMethodPointcut">
		<property name="mappedName" value="total"/>
	</bean>
	
	<bean id="classicBeforeAdvisor" class="org.springframework.aop.support.DefaultPointcutAdvisor">
		<property name="advice" ref="logBeforeAdvice"/>
		<property name="pointcut" ref="classicPointCut"/>
	</bean> 
    */
	
	/* 위의 두 가지를 합쳐놓은것 */
	<bean id="classicBeforeAdvisor" class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor">
		<property name="advice" ref="logBeforeAdvice"/>
		<property name="mappedNames" >
			<list>
				<value>total</value>
				<value>avg</value> // avg메서드도 추가
			</list>
		</property>
	</bean>
     
	/*
 	<bean id="classicAroundAdvisor" class="org.springframework.aop.support.DefaultPointcutAdvisor"> 
		<property name="advice" ref="logAroundAdvice"/>
		<property name="pointcut" ref="classicPointCut"/>
	</bean>
    */
	
    // 위에서 아래로 변경
	<bean id="classicAroundAdvisor" class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor"> 
		<property name="advice" ref="logAroundAdvice"/>
		<property name="mappedName" value="total" />
	</bean>
	
	<bean id="proxy" class="org.springframework.aop.framework.ProxyFactoryBean">
		<property name="target" ref="target" />
		<property name="interceptorNames">
			<list>
				<value>classicAroundAdvisor</value>
				<value>classicBeforeAdvisor</value>
				<value>logAfterReturningAdvice</value>
				<value>logAfterThrowingAdvice</value>
			</list>
		</property>
	</bean>

</beans>

 

public class Program {

	public static void main(String[] args) {
		
		ApplicationContext context = new ClassPathXmlApplicationContext("spring/aop/setting.xml");
		
		Exam proxy = (Exam) context.getBean("proxy");
		
		System.out.printf("total is %d\n", proxy.total());
		System.out.printf("avg is %f\n", proxy.avg());
	}
}

// <출력>
//앞에서 실행될 로직
//returnValue:4, method:total
//201ms 시간이 걸렸습니다.
//total is 4
//앞에서 실행될 로직
//returnValue:1.0, method:avg
//avg is 1.000000

 

    /*	
	<bean id="classicBeforeAdvisor" class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor">
		<property name="advice" ref="logBeforeAdvice"/>
		<property name="mappedNames" >
			<list>
				<value>total</value>
				<value>avg</value>
			</list>
		</property>
	</bean>
    */
 
 	// 정규표현식 사용
 	<bean id="classicBeforeAdvisor" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
		<property name="advice" ref="logBeforeAdvice"/>
		<property name="patterns" >
			<list>
				<value>.*to.*</value>
			</list>
		</property>
	</bean>

 

참고자료

[1] 유튜브 채널 뉴렉처 - 간소화된 Advisor