springAOP : After

Employee.java

==========

package com.mohan;

public  class Employee{

          public void msg(){System.out.println("msg() method invoked");}

          public int m(){System.out.println("m() method invoked");return 2;}

          public int k(){System.out.println("k() method invoked");return 3;}

}

      

TrackEmployee.java

=============

package com.mohan;

import org.aspectj.lang.JoinPoint;

public class TrackEmployee{

         

          public void myadvice(JoinPoint jp)//it is advice

          {

                   System.out.println("additional concern");

                   //System.out.println("Method Signature: "  + jp.getSignature());

          }

}

Beans.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"

          xsi:schemaLocation="http://www.springframework.org/schema/beans

          http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

          http://www.springframework.org/schema/aop

          http://www.springframework.org/schema/aop/spring-aop-3.0.xsd ">

<aop:aspectj-autoproxy />

<bean id="opBean" class="com.mohan.Employee">       </bean>

         

<bean id="trackAspect" class="com.mohan.TrackEmployee"></bean>

                  

<aop:config>

  <aop:aspect id="myaspect" ref="trackAspect" >

     <!-- @After -->

     <aop:pointcut id="pointCutAfter"         expression="execution(* com.mohan.Employee.*(..))" />

     <aop:after method="myadvice" pointcut-ref="pointCutAfter" />

  </aop:aspect>

</aop:config>

         

</beans>

 

Test.java

======

package com.mohan;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test{

          public static void main(String[] args){

        ApplicationContext context = new ClassPathXmlApplicationContext("Beans.xml");

        Employee e = (Employee) context.getBean("opBean");

        System.out.println("calling msg...");

        e.msg();

        System.out.println("calling m...");

        e.m();

        System.out.println("calling k...");

        e.k();

          }

}