Spring代理处理参数和方法
时间:2011-03-26
Spring代理处理参数和方法:
package com.rx.spring.dynamicmock;
public interface UserManager {
public void addUser(String username, String password);
public void deleteUser(int id);
}
package com.rx.spring.dynamicmock;
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.dynamicmock;
import org.aspectj.lang.JoinPoint;
public class SecurityHandler {
/***
* 处理连接点
* @param joinPoint
*/
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.dynamicmock;
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("applicationContextMockSpring.xml");
UserManager userManager = (UserManager)factory.getBean("userManager");
userManager.addUser("abc", "123");
}
}
<?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">
<bean id="securityHandler" class="com.rx.spring.dynamicmock.SecurityHandler"/>
<bean id="userManager" class="com.rx.spring.dynamicmock.UserManagerImpl"/>
<aop:config>
<aop:aspect id="security" ref="securityHandler">
<aop:pointcut id="allAddMethod" expression="execution(* com.rx.spring.dynamicmock.UserManagerImpl.add*(..))"/>
<aop:before method="checkSecurity" pointcut-ref="allAddMethod"/>
</aop:aspect>
</aop:config>
</beans>运行结果：
abc
123
addUser
----------checkSecurity()---------------
-------UserManagerImpl.addUser()----------
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