spring学习笔记aopproxy

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SpringAopProxy.java


package com.lin.test;

import static org.junit.Assert.*;

import java.lang.reflect.Method;

import org.junit.Test;
import org.springframework.aop.AfterReturningAdvice;
import org.springframework.aop.MethodBeforeAdvice;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/*******************************************************************************

 * SpringAopProxy.java Created on 2014年7月23日

 * Author: linfenliang

 * Description:

 * Version: 1.0

 ******************************************************************************/

public class SpringAopProxyTest {
@Test
public void test() {
ApplicationContext context = new ClassPathXmlApplicationContext("SpringAopProxyTest_applicationContext.xml");
MyUserDao dao = new MyUserDaoImpl();
dao = (MyUserDao) context.getBean("proxyFactory");
dao.userLogin("linfenliang", "123456");
}
@Test
public void test2() {
ApplicationContext context2 = new ClassPathXmlApplicationContext("SpringAopAutoProxyTest_applicationContext.xml");
MyUserDao dao = new MyUserDaoImpl();
dao = (MyUserDao) context2.getBean("userDaoImpl");
dao.userLogin("linfenliang", "123456");
}

}
interface MyUserDao{
public abstract void userLogin(String username,String password);
}
class MyUserDaoImpl implements MyUserDao{
@Override
public void userLogin(String username, String password) {
System.out.println("username:".concat(username).concat(",password:").concat(password));
}
}
class MyUserDaoProxy implements MethodBeforeAdvice,AfterReturningAdvice{
@Override
public void afterReturning(Object returnValue, Method method, Object[] args, Object target) throws Throwable {
System.out.println("afterReturning");

}
@Override
public void before(Method method, Object[] args, Object target) throws Throwable {
System.out.println("before");

}
}

SpringAopProxyTest_applicationContext.xml

<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"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd">
    <!-- 启用注解方式注入 -->
    <context:annotation-config/>
<bean id="userDaoImpl" class="com.lin.test.MyUserDaoImpl"></bean>
<!-- 定义代理类 -->
<bean id="userDaoProxy" class="com.lin.test.MyUserDaoProxy"></bean>
<!-- 定义切入点 -->
<bean id="userDaoPointCut" class="org.springframework.aop.support.JdkRegexpMethodPointcut">
<!-- 对所有方法都过滤 -->
<property name="pattern" value=".*"></property>
</bean>
<!-- 定义通知 -->
<bean id="pointcutAdvisor" class="org.springframework.aop.support.DefaultPointcutAdvisor">
<property name="advice" ref="userDaoProxy"></property>
<property name="pointcut" ref="userDaoPointCut"></property>
</bean>
<!-- 定义代理工厂 -->
<bean id="proxyFactory" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="target" ref="userDaoImpl"></property>
<property name="interceptorNames" value="pointcutAdvisor"></property>
<property name="proxyInterfaces" value="com.lin.test.MyUserDao"></property>
</bean>
</beans>

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