Spring AOP JoinPoints and Advice Arguments

Spring JoinPoints and Advice Arguments

Join point: A point during the execution of a program, such as the execution of a method or the handling of an exception. In Spring AOP, a join point always represents a method execution. Join point information is available in advice bodies by declaring a parameter of type org.aspectj.lang.JoinPoint.

We’ll now learn about join points, and how we can use arguments in the advice methods to get information about join points.

package com.dineshonjava.sdnext.aop.tutorial.aspectJ;

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

import com.dineshonjava.sdnext.aop.tutorial.aspectJ.service.ShapeService;

public class AopTest {

    public static void main(String args[])
        ApplicationContext context=new ClassPathXmlApplicationContext("applicationContext.xml");
        ShapeService service=context.getBean("shapeService",ShapeService.class);
        service.getCircle().setName("Dummy Circle");
package com.dineshonjava.sdnext.aop.tutorial.aspectJ;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

import com.dineshonjava.sdnext.aop.tutorial.aspectJ.model.Circle;

public class LoggingAspect {
    public void loggingAdvice(JoinPoint joinpoint)
        System.out.println("Run Advice..... get method Executed");
        Circle c=(Circle)joinpoint.getTarget();
//    @Before("args(name)")
//    public void allStringMethodArguments(String name){
//        System.out.println("A setter method has been executed............"+name);
//    }
    public void allStringMethodArguments(){
    System.out.println("A setter method has been executed............");
    public void allCircleMethods(){}

package com.dineshonjava.sdnext.aop.tutorial.aspectJ.model;

public class Circle {

    private String name;

    public String getName() {
        return name;

    public void setName(String name) {
        this.name = name;

package com.dineshonjava.sdnext.aop.tutorial.aspectJ.model;

public class Triangle {

    private String name;

    public String getName() {
        return name;

    public void setName(String name) {
        this.name = name;

package com.dineshonjava.sdnext.aop.tutorial.aspectJ.service;

import com.dineshonjava.sdnext.aop.tutorial.aspectJ.model.Circle;
import com.dineshonjava.sdnext.aop.tutorial.aspectJ.model.Triangle;

public class ShapeService {

    private Triangle triangle;
    private Circle circle;
    public Triangle getTriangle() {
        return triangle;
    public void setTriangle(Triangle triangle) {
        this.triangle = triangle;
    public Circle getCircle() {
        return circle;
    public void setCircle(Circle circle) {
        this.circle = circle;

<beans xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" 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
                http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd">
    <bean class="com.dineshonjava.sdnext.aop.tutorial.aspectJ.model.Triangle" name="triangle">
    <property name="name" value="triangle name">
    <bean class="com.dineshonjava.sdnext.aop.tutorial.aspectJ.model.Circle" name="circle">
    <property name="name" value="circle name">
    <bean class="com.dineshonjava.sdnext.aop.tutorial.aspectJ.service.ShapeService" name="shapeService">
    <property name="triangle" ref="triangle">
    <property name="circle" ref="circle">
    <bean class="com.dineshonjava.sdnext.aop.tutorial.aspectJ.Aspect.LoggingAspect" name="loggingAdvice">

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