package com.gyarmy.datesource;



import java.lang.reflect.InvocationHandler;

import java.lang.reflect.Method;

import java.lang.reflect.Proxy;



import org.junit.Test;



public class TestData1 {

	

	@Test

	public void test1(){

		System.out.println("test1");

		

		//继承

		Cat car1 = new Cat(){

			@Override

			public void run(){

				

				System.out.println("cat 100");

				super.run();

			}

		};

		car1.run();

		

		//装饰设计模式

	}

	

	@Test

	public void test2(){

		DecractorCat dCat = new DecractorCat(new Cat());

		dCat.run();

		

	}

	

	

	@Test

	public void test3(){

		

		final ICat cat = new Cat();

		

		ICat proxyCat  = (ICat)Proxy.newProxyInstance(Cat.class.getClassLoader(), cat.getClass().getInterfaces(), new InvocationHandler() {

			

			@Override

			public Object invoke(Object proxy, Method method, Object[] args)

					throws Throwable {

				// TODO Auto-generated method stub

				

				//System.out.println("www.gyarmy.com");

				if(method.getName().equalsIgnoreCase("run")){

					System.out.println("折耳猫 跑步");

				}

				

				if(method.getName().equalsIgnoreCase("eat")){

					System.out.println("折耳猫 吃饭");

					

					//调用底层方法

					return method.invoke(cat, args);

					

				}

				//调用原有的方法

				return method.invoke(cat, args);

			}

		});

		

		

		proxyCat.eat();

		System.out.println(proxyCat.hashCode());

		

		

		

	}

	

	

	

	

	

}



class DecractorCat implements ICat{

	private ICat cat;

	public DecractorCat(ICat cat){

		this.cat = cat;

	}

	@Override

	public void run() {

		// TODO Auto-generated method stub

		//方法加强

		System.out.println("加菲猫 跑步");

		cat.run();

	}

	@Override

	public void eat() {

		// TODO Auto-generated method stub

		System.out.println("加菲猫 吃饭");

		cat.run();

	}

}



class Cat implements ICat{

	public void run(){

		System.out.println("猫跑步");

	}

	

	public void eat(){

		System.out.println("猫 吃饭");

	}

}



interface ICat{

	public void run();

	public void eat();

}