자바 과정 11회차/spring mvc1 게시판

0920 AOP실습 Anno

y2on 2019. 1. 5. 01:20

pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>AOPAnno</groupId>
  <artifactId>AOPAnno</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  <build>
    <sourceDirectory>src</sourceDirectory>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.7.0</version>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-war-plugin</artifactId>
        <version>3.2.1</version>
        <configuration>
          <warSourceDirectory>WebContent</warSourceDirectory>
        </configuration>
      </plugin>
    </plugins>
  </build>
  
  <dependencies>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>5.0.8.RELEASE</version>
    </dependency>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aop</artifactId>
        <version>5.0.8.RELEASE</version>
    </dependency>
      <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjweaver</artifactId>
        <version>1.8.13</version>
    </dependency>
        
  </dependencies>
  
</project>
cs


cats.java

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package com.aopex;
 
public class Cat {
    
    private String name;
    private int age;
    private String color;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getColor() {
        return color;
    }
    public void setColor(String color) {
        this.color = color;
    }
    @Override
    public String toString() {
        return "Cat [name=" + name + ", age=" + age + ", color=" + color + "]";
    }
    
    public void catInfo() {
        System.out.println("이름:" + name);
        System.out.println("나이:" + age);
        System.out.println("컬러:" + color);
    }
    
    
 
}
cs


bean.xml

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<?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: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/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
 
    <aop:aspectj-autoproxy/>
 
    <bean id="logAOP" class="com.aopex.LogAOP"/>
            
    <bean id="myCat" class="com.aopex.Cat">
        <property name="name" value="야옹이"/>
        <property name="age" value="2"/>
        <property name="color" value="노랑"/>
    </bean>
 
</beans>
cs


9행 :  어노테이션 적용하기 위해 추가 



logaop.java

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package com.aopex;
 
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
 
@Aspect
public class LogAOP {
    
    @Around("within(com.aopex.*)")
    public Object loggerAop(ProceedingJoinPoint joinpoint)throws Throwable {
        
        String signatureStr = joinpoint.getSignature().toShortString();
        
        System.out.println(signatureStr + "시작");        
        System.out.println("실행전:" + System.currentTimeMillis());
        
        try {
            Object obj = joinpoint.proceed();    // 핵심기능 실행
            return obj;
        }finally {
            System.out.println("실행후:" + System.currentTimeMillis());            
            System.out.println(signatureStr + "종료");
        }
    }
 
}
cs


7행 : @Aspect   어노테이션

16행 : 출력


    

mainClass.java

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package com.aopex;
 
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;
 
public class mainClass {
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        AbstractApplicationContext ctx
        = new GenericXmlApplicationContext("classpath:bean.xml");
    
        Cat myC = ctx.getBean("myCat", Cat.class);
        
        myC.catInfo();
    }
 
}
cs



* 실행값


이름 : 야옹이

나이 : 2

컬러 : 노랑

실행 전 : 현재시간 1231533

Cat.catInfo() 종료