Spring AOP

Person

package org.zbq.aop;

public interface Person {
	public void run();
	public void info();
}

PersonImpl

package org.zbq.aop;

public class PersonImpl implements Person {
	private int age;
	private String name;
	
	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String getName() {
		return name;
	}

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

	@Override
	public void info() {
		System.out.println("My name is " + name + " I am " + age);
	}

	@Override
	public void run() {
		System.out.print("I am " + age + ",");
		if(age < 35){
			System.out.println("I am young");
		}else {
			System.out.println("I am Old");
		}
	}

}

MyBeforAdvisor

package org.zbq.aop;

import java.lang.reflect.Method;

import org.springframework.aop.MethodBeforeAdvice;

public class MyBeforAdvisor implements MethodBeforeAdvice {

	@Override
	public void before(Method arg0, Object[] arg1, Object arg2)
			throws Throwable {
		System.out.println("方法调用之前……");
		System.out.println("方法是：" + arg0);
		System.out.println("参数是：" + arg1);
		System.out.println("对象是：" + arg2);
	}

}

MyAfterAdvisor

package org.zbq.aop;

import java.lang.reflect.Method;

import org.springframework.aop.AfterReturningAdvice;

public class MyAfterAdvisor implements AfterReturningAdvice {

	@Override
	public void afterReturning(Object arg0, Method arg1, Object[] arg2,
			Object arg3) throws Throwable {
		System.out.println("方法调用之前……");
		System.out.println("方法是：" + arg1);
		System.out.println("参数是：" + arg2);
		System.out.println("对象是：" + arg3);
	}

}

MyAroundInterceptor

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;

public class MyAroundInterceptor implements MethodInterceptor {

	@Override
	public Object invoke(MethodInvocation invocation) throws Throwable {
		return invocation.proceed();
	}

}

Client

package org.zbq.aop;

import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;

public class Client {

	public static void main(String[] args) {
		ClassPathResource cpr = new ClassPathResource("applicationContext.xml");
		XmlBeanFactory factory = new XmlBeanFactory(cpr);
		
		Person p = (Person) factory.getBean("person");
		p.info();
		p.run();
	}

}

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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
	<bean id="personTarget" class="org.zbq.aop.PersonImpl">
		<property name="name">
			<value>Tom</value>
		</property>
		<property name="age">
			<value>51</value>
		</property>
	</bean>
	
	<bean id="myAdvisor" class="org.zbq.aop.MyBeforAdvisor"/>
	<bean id="myAroundInterceptor" class="org.zbq.aop.MyAroundInterceptor"/>
	
	<bean id="runAdvisor" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
		<!-- advice属性确定处理bean -->
		<property name="advice">
			<!-- 此处的处理bean定义采用嵌套bean，也可以引用容器的另一个bean -->
			<bean class="org.zbq.aop.MyAfterAdvisor"/>
		</property>
		
		<!-- patterns确定正则表达式模式 -->
		<property name="patterns">
			<list>
				<!-- 确定正则表达式列表 -->
				<value>.*run.*</value>
			</list>
		</property>
	</bean>
	
	<bean id="person" class="org.springframework.aop.framework.ProxyFactoryBean">
		<property name="proxyInterfaces">
			<value>org.zbq.aop.Person</value>
		</property>
		<property name="target">
			<ref local="personTarget"/>
		</property>
		<property name="interceptorNames">
			<list>
				<value>runAdvisor</value>
				<value>myAdvisor</value>
				<value>myAroundInterceptor</value>
			</list>
		</property>
	</bean>
</beans>