helloserviceproxyfactory.java

来自「java写的一个静态代理的例子 大家看看 虽u然小 但能是说明问题」· Java 代码 · 共 22 行

package proxy;
import java.lang.reflect.*;
public class HelloServiceProxyFactory {
  public static HelloService getHelloServiceProxy(final HelloService helloService){
    InvocationHandler handler=new InvocationHandler(){
      public Object invoke(Object proxy,Method method,Object args[])throws Exception{
        System.out.println("before calling "+method);
        Object result=method.invoke(helloService,args);
        System.out.println("after calling "+method);
        return result;
      }
  };

    Class classType=HelloService.class;
    return (HelloService)Proxy.newProxyInstance(classType.getClassLoader(),
                                          new Class[]{classType},
                                          handler);

  }
}