Spring的无接口代理实现AOP[Java编程]
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package com.rx.spring.cglib;
public class UserManagerImpl { // implements UserManager {
public void addUser(String username, String password) {
System.out.println("-------UserManagerImpl.addUser()----------");
}
public void deleteUser(int id) {
System.out.println("-------UserManagerImpl.deleteUser()----------");
}
}
package com.rx.spring.cglib;
import org.aspectj.lang.JoinPoint;
public class SecurityHandler {
private void checkSecurity(JoinPoint joinPoint) {
Object[] args = joinPoint.getArgs();
for (int i=0; i<args.length; i++) {
System.out.println(args[i]);
}
System.out.println(joinPoint.getSignature().getName());
System.out.println("----------checkSecurity()---------------");
}
}
package com.rx.spring.cglib;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Client {
public static void main(String[] args) {
BeanFactory factory = new ClassPathXmlApplicationContext("applicationContextCglib.xml");
UserManagerImpl userManager = (UserManagerImpl)factory.getBean("userManager");
userManager.addUser("abc", "123");
System.out.println("testing");
userManager.deleteUser(1);
}
}
<?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"
xmlns:tx="http://www.springframework.org/schema/tx"
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/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
<!--
<aop:aspectj-autoproxy proxy-target-class="true"/>
-->
<bean id="securityHandler" class="com.rx.spring.cglib.SecurityHandler"/>
<bean id="userManager" class="com.rx.spring.cglib.UserManagerImpl"/>
<aop:config>
<aop:aspect id="security" ref="securityHandler">
<aop:pointcut id="allAddMethod" expression="execution(* com.rx.spring.cglib.UserManagerImpl.add*(..))"/>
<aop:before method="checkSecurity" pointcut-ref="allAddMethod"/>
</aop:aspect>
</aop:config>
</beans>
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