Dreams of Upul

Application-context.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-2.5.xsd

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

 http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">

 <aop:aspectj-autoproxy />

 <bean name="firstAspect"/>

 <bean name="helloWorld"/>

</beans>

FirstAspect.java

package com.iroshan.aop.aspects;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

@Aspect
public class FirstAspect {

 @Pointcut("execution(* sayHello(..))")
 public void helloPointCut(){

 }

 @Before("helloPointCut()")
 public void helloAdvice(){
 System.out.println("Hello There!!!");
 }

 @Around("helloPointCut()")
 public Object helloAroundAdvice(ProceedingJoinPoint pjp) throws Throwable{
 Object retVal = pjp.proceed();
 System.out.println(retVal);
 return 2;
 }

}

HelloWorld.java

package com.iroshan.aop;

public class HelloWorld {

public int sayHello() {
    System.out.println("Hello World");
    return 1;
}

}

Main.java

package com.iroshan.aop;

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

public class Main {

public static void main(String[] args) {
   ApplicationContext factory = new ClassPathXmlApplicationContext("Application-context.xml");
   HelloWorld helloWorld = (HelloWorld) factory.getBean("helloWorld");
   System.out.println(helloWorld.sayHello());
}

}