package Proxy.jdk;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;

/**
 * @author ngfngf
 *JDK动态代理
 */
public class TimerHandler implements InvocationHandler {
	private Object target;

	public TimerHandler(Object target) {
		super();
		this.target = target;
	}

	/*
	 * 参数: proxy 被代理的对象
	 * method 被代理的对象的方法
	 * args 方法的参数
	 */
	@Override
	public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
		long startTime = System.currentTimeMillis();
		System.out.println("开始行驶");
		method.invoke(target);
		long endTime = System.currentTimeMillis();
		System.out.println("结束行驶 行驶时间为:" + (endTime - startTime));
		return null;
	}

}