dineshonjava

Spring AOP XML Based Configuration

We'll learn how to configure aspects, advice and pointcuts using the traditional XML way.
package com.dineshonjava.Spring.Aop;

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

import com.venkat.Spring.Aop.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();
}
}
package com.dineshonjava.Spring.Aop;

public @interface Loggable {

}
package com.dineshonjava.Spring.Aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Aspect;

@Aspect
public class LoggingAspect {

// @Pointcut("execution(*  get*())")
// public void allGetters(){}
// @Around("@annotation(com.dineshonjava.Spring.Aop.Aspect.Loggable)")
public Object myAroundAdvice(ProceedingJoinPoint proceedingJoinPoint) 
{
Object returnValue=null;
try {
System.out.println("Before method Executed");
returnValue=proceedingJoinPoint.proceed();
System.out.println("After Method Executed....");
} catch (Throwable e) {
System.out.println("Around Advice throws exception");
}
System.out.println("After Finally executed........");
return returnValue;
}
}
package com.dineshonjava.Spring.Aop;

 public class Circle {

private String name;

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
System.out.println("Setter method is called.....");
throw(new RuntimeException());
}
public String setNameAndReturning(String name) {
this.name = name;
System.out.println("Setter Method and return the value method executed....");
return name;
}
}
package com.dineshonjava.Spring.Aop;

 public class Triangle {

private String name;

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}
}
package com.dineshonjava.Spring.Aop;

import com.dineshonjava.Spring.Aop.Aspect.Loggable;
import com.dineshonjava.Spring.Aop.model.Circle;
import com.dineshonjava.Spring.Aop.model.Triangle;

public class ShapeService {

private Triangle triangle;
private Circle circle;
public Triangle getTriangle() {
return triangle;
}
public void setTriangle(Triangle triangle) {
this.triangle = triangle;
}
@Loggable
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">
<aop:aspectj-autoproxy>
<bean class="com.dineshonjava.Spring.Aop.model.Triangle" name="triangle">
<property name="name" value="triangle name">
</property></bean>
<bean class="com.dineshonjava.Spring.Aop.model.Circle" name="circle">
<!-- <property name="name" value="circle name"/>  -->
</bean>
<bean class="com.dineshonjava.Spring.Aop.service.ShapeService" name="shapeService">
<property name="triangle" ref="triangle">
<property name="circle" ref="circle">
</property></property></bean>
<bean class="com.dineshonjava.Spring.Aop.Aspect.LoggingAspect" name="loggingAdviceBean">
<aop:config>
<aop:aspect id="loggingAdvice" ref="loggingAdviceBean">
<aop:pointcut expression="execution(*  get*())" id="allGetters">
<aop:around method="myAroundAdvice" pointcut-ref="allGetters">
</aop:around></aop:pointcut></aop:aspect>
</aop:config>
</bean></aop:aspectj-autoproxy></beans>

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