스프링 Part2 AOP 강좌 05강 _ BeforeAdvice 구현하기

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package spring.aop;


import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import spring.aop.entity.Exam;
import spring.aop.entity.NewlecExam;
import spring.di.NewlecDiConfig;

public class Program {
public static void main(String[] args) {
ApplicationContext context
//=new AnnotationConfigApplicationContext(NewlecDiConfig.class);
= new ClassPathXmlApplicationContext("spring/aop/setting.xml");

Exam exam = (Exam)context.getBean("exam");

System.out.printf("total is %d\n",exam.total());
System.out.printf("avg is %f\n",exam.avg());
}
}

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<?xml version="1.0" encoding="UTF-8"?>

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.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.3.xsd">

<bean id="target" class="spring.aop.entity.NewlecExam" p:kor="1" p:eng="1" p:math="1" p:com="1"/>
<bean id="logAroundAdvice" class="spring.aop.advice.LogAroundAdvice" />
<bean id="logBeforeAdvice" class="spring.aop.advice.LogBeforeAdvice" />
<bean id="exam" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="target" ref="target"/>
<property name="interceptorNames">
<list>
<value>logAroundAdvice</value>
<value>logBeforeAdvice</value>
</list>
</property>
</bean>
</beans>

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package spring.aop.advice;
import java.lang.reflect.Method;
import org.springframework.aop.MethodBeforeAdvice;

public class LogBeforeAdvice implements MethodBeforeAdvice{
@Override
public void before(Method method, Object[] args, Object target) throws Throwable {
// TODO Auto-generated method stub
System.out.println("앞에서 실행될 로직");
}
}

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https://www.youtube.com/watch?v=oysjZMw9S6M&list=PLq8wAnVUcTFUHYMzoV2RoFoY2HDTKru3T&index=22