토비 6-5

spring-toby/spring-project/build.gradle

@@ -1,9 +1,8 @@
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework:spring-jdbc'
-
     implementation 'com.h2database:h2:1.4.197'
-
+    compile 'org.aspectj:aspectjweaver:1.8.9'
     testImplementation('org.springframework.boot:spring-boot-starter-test') {
         exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
     }

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter1/term/IoC_용어정리/ChapterOneConfiguration.java

@@ -52,7 +52,7 @@ public UserRepository sessionUserRepository() {
 
     #173 IoC/DI) userService빈은 UserRepository 빈을 DI 받는다.(IoC 컨테이너에 의해)
      */
-    @Bean
+//    @Bean
     public UserService userService() {
         /*
         의존관계 주입 특징 3) 사용할 오브젝트에 대한 레퍼런스 -> defaultUserRepository 는 외부에서 주입(생성자, Setter,,)

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter6/term/AnotherAopUserService.java

@@ -0,0 +1,11 @@
+package com.javabom.toby.chapter6.term;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class AnotherAopUserService implements AopTestInterface {
+    @Override
+    public void test() {
+
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter6/term/AopTestInterface.java

@@ -0,0 +1,5 @@
+package com.javabom.toby.chapter6.term;
+
+interface AopTestInterface {
+    void test();
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter6/term/AopUserService.java

@@ -0,0 +1,21 @@
+package com.javabom.toby.chapter6.term;
+
+import org.springframework.stereotype.Service;
+
+@Service(value = "aopUserService")
+public class AopUserService implements AopTestInterface {
+
+    public void hello() {
+        System.out.println("Hello!");
+    }
+
+    public void bye() {
+        System.out.println("bye~!");
+    }
+
+    @Override
+    public void test() {
+        System.out.println("Test");
+    }
+
+}

spring-toby/spring-project/src/test/java/com/javabom/toby/chapter6/AopUserServiceTest.java

@@ -0,0 +1,56 @@
+package com.javabom.toby.chapter6;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.aop.aspectj.AspectJExpressionPointcut;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.support.AbstractApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@SpringBootTest
+class AopUserServiceTest {
+
+    @DisplayName("표현식으로 포인트컷을 지정할 수 있다")
+    @Test
+    void methodSignature() throws NoSuchMethodException {
+        AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
+        pointcut.setExpression("execution(* hello(..))");
+
+        /**
+         * 포인트컷은 클래스필터와 매서드매처를 둘다 지정할 수 있다.
+         */
+        assertThat(pointcut.getClassFilter().matches(AopUserService.class)).isTrue();
+        assertThat(pointcut.getMethodMatcher().matches(AopUserService.class.getMethod("bye"), AopUserService.class)).isFalse();
+    }
+
+    @DisplayName("포인트컷으로 인터페이스를 지정하면 해당 인터페이스를 구현한 메서드만 적용된다")
+    @Test
+    void interfacePointcut() throws NoSuchMethodException {
+        AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
+        pointcut.setExpression("execution(* *..AopTestInterface.*(..))");
+
+        assertThat(pointcut.getClassFilter().matches(AopUserService.class)).isTrue();
+        assertThat(pointcut.getMethodMatcher().matches(AopUserService.class.getMethod("test"), AopUserService.class)).isTrue();
+        assertThat(pointcut.getMethodMatcher().matches(AopUserService.class.getMethod("hello"), AopUserService.class)).isFalse();
+    }
+
+    @DisplayName("포인트컷 표현식의 클래스 이름에 적용되는 패턴은 타입패턴이다")
+    @Test
+    void typePattern() {
+        AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
+        pointcut.setExpression("execution(* *..AnotherAopUserService.*(..))");
+
+        assertThat(pointcut.getClassFilter().matches(AopUserService.class)).isTrue();
+    }
+
+    @Test
+    void advice() {
+        AbstractApplicationContext ctx =
+                new ClassPathXmlApplicationContext("classpath:applicationContext-test.xml");
+
+        AopTestInterface aopUserService = ctx.getBean("aopUserService", AopTestInterface.class);
+        aopUserService.test();
+    }
+}

spring-toby/spring-project/src/test/resources/applicationContext-test.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:aop="http://www.springframework.org/schema/aop"
+       xmlns="http://www.springframework.org/schema/beans"
+       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-3.2.xsd">
+
+    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
+        <property name="dataSource" ref="dataSource"/>
+    </bean>
+
+    <bean id="dataSource" class="org.springframework.jdbc.datasource.SimpleDriverDataSource">
+        <property name="driverClass" value="org.h2.Driver"/>
+        <property name="url" value="jdbc:h2:file:~/toby-db;AUTO_SERVER=TRUE"/>
+        <property name="username" value="sa"/>
+    </bean>
+
+    <bean id="aopUserService" class="com.javabom.toby.chapter6.AopUserService"/>
+
+    <bean id="aopUserServiceAdvice" class="com.javabom.toby.chapter6.AopUserServiceAdvice"/>
+
+    <aop:config>
+        <aop:aspect id="aopUserServiceAdvice" ref="aopUserServiceAdvice">
+            <aop:pointcut id="testPointcut" expression="execution(* *..AopTestInterface.*(..))"/>
+            <aop:around pointcut-ref="testPointcut" method="advice"/>
+        </aop:aspect>
+    </aop:config>
+</beans>