Java: CGLib

 

  <dependency>
      <groupId>cglib</groupId>
      <artifactId>cglib</artifactId>
      <version>3.3.0</version>
  </dependency>

 

Code Generation Library:

package io.veer.redis.proxy;


import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

public class ProxyFactory implements MethodInterceptor{
  // 注入被代理对象
  private final Station station = new Station();

  public static void main(String[] args){
    // 创建代理对象工厂
    ProxyFactory proxyFactory = new ProxyFactory();
    // 获取代理对象
    Station proxyObject = proxyFactory.getProxyObject();
    // 调用代理对象的sell方法
    proxyObject.sell();
  }

  @Override
  public Object intercept(Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable{
    System.out.println("\033[37;7m" + "cglib" + "\033[0m");
    // 调用被代理对象
    return method.invoke(station, objects);
  }

  public Station getProxyObject(){
    // 创建Enhancer对象, 类似JDK的Proxy
    Enhancer enhancer = new Enhancer();
    // 设置父类的类对象, 指定父类
    enhancer.setSuperclass(Station.class);
    // 设置回调函数
    enhancer.setCallback(this);
    // 创建返回代理对象
    return (Station) enhancer.create();
  }
}

class Station{
  public void sell(){
    System.out.println("\033[37;7m" + "sell" + "\033[0m");
  }
}