웹이 아닌 애플리케이션에서 AOP를 사용했던 방식 그대로 적용하면 된다. 다만, 이용자의 요청에 의해서 실행되는 콘트롤러에서 핵심기능을 호출할 수 있도록 핵심기능을 콘트롤러 안으로 주입(Dependency Injection)해 주어야 한다.
필요한 라이브러리 들
WEB-INF/dispatcher-servlet.xml
<?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"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd">
<bean name="/hello.htm"
class="controller.HelloController" p:myBean-ref="myBean"/>
<bean id="aspectBean" class="aspect.MyAspect"/> <!-- 공통관심사항-->
<aop:config>
<aop:aspect id="myAspect" ref="aspectBean">
<aop:before pointcut="execution(* print*(..))" method="beforeprinteMessage" />
<aop:after-returning pointcut="execution(* print*(..))" method="afterprintMessage" />
</aop:aspect>
</aop:config>
<bean name="myBean" class="bean.MyBean"/> <!--핵심기능-->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>
controller.HelloController
package controller;
import bean.MyBean;
import javax.servlet.http.*;
import org.springframework.web.servlet.*;
import org.springframework.web.servlet.mvc.*;
public class HelloController extends AbstractController {
/* Dependency Injection 을 이용하여 주입될 객체, Core concerns */
private MyBean myBean;
/* Dependency Injection 에 사용될 setter */
public void setMyBean(MyBean myBean) {
this.myBean = myBean;
}
@Override
public ModelAndView handleRequestInternal(HttpServletRequest arg0,
HttpServletResponse arg1) throws Exception {
myBean.printMsg(); //핵심기능 수행
ModelAndView mav = new ModelAndView();
mav.setViewName("hello");
mav.addObject("greeting", "감사해요, Spring2.5");
return mav;
}
}
WebContent/hello.jsp
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>hello.jsp</title>
</head>
<body>
<%=request.getAttribute("greeting") %><br></br>
</body>
</html>
bean.MyBean(Core concerns)
package bean;
public class MyBean {
public void printMsg(){
System.out.println("핵심기능 실행됨");
}
}
aspect.MyAspect (공통관심사항을 포함하는 클래스)
package aspect;
public class MyAspect {
/* 핵심관심사항이 실행되기 전에 실행될 공통관심사항 */
public void beforeprinteMessage() {
System.out.println("핵심관심사항 전에 실행됨");
}
/* 핵심관심사항이 실행되고 메소드가 리턴한 후에 실행될 공통관심사항 */
public void afterprintMessage() {
System.out.println("핵심관심사항 후에 실행됨");
}
}