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【网络综合 - 全国计算机等级考试（NCRE）指南】：
/**
　　*
　　*/
　　package poxy;
　　import java.lang.reflect.InvocationHandler;
　　import java.lang.reflect.InvocationTargetException;
　　import java.lang.reflect.Method;
　　import java.lang.reflect.Proxy;
　　import java.util.*;
　　import callback.PrimitiveUtil;
　　/**
　　* More industrial-level dynamic proxy , which main detach the Invocation handler and the real instance of a proxy class,
　　* which can store many proxy handler with them listener, this is very useful.
　　* Mean while, it also can work in multi thread env, so you can use it with Thread pool and Scheduler!
　　**
　　*/
　　public class IndustrialDynamicProxy {
　　/*
　　* container of iface & his InvocationHandler
　　* Note: work in multithread env
　　*/
　　private Map _iface2Handler = new HashMap();
　　/*
　　* Generates the ’caller’ side of the caller/listener relationship.
　　*/
　　public Object generateCaller(Class iFace, CallBackType type) {
　　CallBackHanlder newHandler;
　　Object proxy=null;
　　//check iface
　　if(!iFace.isInterface()){
　　throw new IllegalArgumentException("Class [" + iFace.getName() + "] is not an interface");
　　}
　　//generate a new handler
　　newHandler = new CallBackHanlder(type);
　　//generate the face’s proxy
　　proxy = Proxy.newProxyInstance(iFace.getClassLoader(),
　　new Class[] { iFace },
　　newHandler);
　　//register iface & proxy
　　synchronized(_iface2Handler){
　　if(_iface2Handler.containsKey(iFace)){
　　throw new IllegalArgumentException("Caller already generated " + " for interface [" +iFace.getName() + "]");
　　}
　　_iface2Handler.put(iFace, newHandler);
　　}
　　return proxy;
　　}