Spring AOP 之 BeforeAdviceDemo2

平台：Spring2.5

 

IHello.java   HelloSpeaker.java  log4j.properties和AroundAdviceDemo2相同

LogBeforeAdvice.java

package onlyfun.caterpillar;

import java.util.logging.Level;
import java.util.logging.Logger;

import org.aspectj.lang.JoinPoint;

public class LogBeforeAdvice {
    private Logger logger =
            Logger.getLogger(this.getClass().getName());
   
    public void before(JoinPoint jointPoint) {
        logger.log(Level.INFO,
            "method starts..." +
            jointPoint.getSignature().getDeclaringTypeName() +
            "." + jointPoint.getSignature().getName());
   }
}

 

applicationContext.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-2.0.xsd
  http://www.springframework.org/schema/aop
  http://www.springframework.org/schema/aop/spring-aop-2.0.xsd">
 
    <bean id="logBeforeAdvice"
          class="onlyfun.caterpillar.LogBeforeAdvice"/>

    <bean id="helloSpeaker"
          class="onlyfun.caterpillar.HelloSpeaker"/>

    <aop:config>    
        <aop:aspect id="logging" ref="logBeforeAdvice">
         <aop:before
          pointcut="execution(* onlyfun.caterpillar.IHello.*(..))"
          method="before"/>
     </aop:aspect>
    </aop:config> 

</beans>

 

test.java

 

package onlyfun.caterpillar;

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-config.xml");
        IHello helloSpeaker =
            (IHello) context.getBean("helloSpeaker");
        helloSpeaker.hello("Justin");
    }
}