package us.codecraft.tinyioc.aop;
import org.junit.Test;
import us.codecraft.tinyioc.HelloWorldService;
import us.codecraft.tinyioc.HelloWorldServiceImpl;
import us.codecraft.tinyioc.context.ApplicationContext;
import us.codecraft.tinyioc.context.ClassPathXmlApplicationContext;
/**
* @author yihua.huang@dianping.com
*/
public class JdkDynamicAopProxyTest {
@Test
public void testInterceptor() throws Exception {
// --------- helloWorldService without AOP
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("tinyioc.xml");
HelloWorldService helloWorldService = (HelloWorldService) applicationContext.getBean("helloWorldService");
helloWorldService.helloWorld();
// --------- helloWorldService with AOP
// 1. 设置被代理对象(Joinpoint)
AdvisedSupport advisedSupport = new AdvisedSupport();
TargetSource targetSource = new TargetSource(helloWorldService, HelloWorldServiceImpl.class,
HelloWorldService.class);
advisedSupport.setTargetSource(targetSource);
// 2. 设置拦截器(Advice)
TimerInterceptor timerInterceptor = new TimerInterceptor();
advisedSupport.setMethodInterceptor(timerInterceptor);
// 3. 创建代理(Proxy)
JdkDynamicAopProxy jdkDynamicAopProxy = new JdkDynamicAopProxy(advisedSupport);
HelloWorldService helloWorldServiceProxy = (HelloWorldService) jdkDynamicAopProxy.getProxy();
// 4. 基于AOP的调用
helloWorldServiceProxy.helloWorld();
}
}