Java(CS)请求分流

接收信息,调用入口

    protected void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {
        System.out.println(msg);
        curCtx = ctx ;
        //ExplainString(msg); 
        RequetMap.instance().map(msg , this);
    }

RequetMap:
1.单例
2.init初始化
3.map

import java.io.File;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import net.sf.json.JSONObject;
import server.MyServerHanlder;

/**
 * @author kimi
 *
 */ 
public class RequetMap {

     List<Element> infos ;
    
    /**
     * 将请求的json 解析  将rid根据 xml分流到具体的方法  
     * exp: RequetMap.instance().map("{id:'8000',content:{name:'AA'}}");
     * @param info
     */
    public  void  map( String  info, MyServerHanlder handler)
    {
        
        JSONObject  r = JSONObject.fromObject(info) ;
        
        String  id = r.getString("id") ;
        String  content = r.getString("content") ;
        for (Element el : infos) {
            if( el.attributeValue("id").equals(id))
            {
                // 映射方法
                try {
                    Class<?> class1 = Class.forName( el.attributeValue("class"));
                    
                    IMapDemo  demo = ( IMapDemo) class1.newInstance() ;
                    demo.Init(content , handler);
                    
                } catch ( Exception e) {
                    e.printStackTrace();
                } 
            }
        }
        
        

    }
    
    
    /**
     * 初始化请求映射器
     * @throws DocumentException 
     */
    public void Init()  
    {
        // 加载xml文件并缓存在变量里面
        
           SAXReader saxReader = new SAXReader();

            Document document;
            try {
                document = saxReader.read(new File("conf/responseMapping.xml"));
    
            // 获取根元素
            Element root = document.getRootElement(); 81 
            // 获取所有子元素
            infos = root.elements();
            
            } catch (DocumentException e) {
                e.printStackTrace();
            }
            
    }
    
    static RequetMap _instance ;
    public static  RequetMap instance()
    {
        if( _instance == null) _instance = new RequetMap() ;
        return  _instance ;
    }
}

IMapDemo

public interface IMapDemo {
 
    /**
     * 
     * @param info
     * 传参数进来的信息  需要进行再处理
     */
    public  void Init( String  info, Object handler) ;
}

GameLogin

import model.GameCenter;
import server.MyServerHanlder;

public class GameLogin implements IMapDemo {

    @Override
    public void Init(String info , Object handler)  {
        // TODO Auto-generated method stub
        MyServerHanlder myhandler = (MyServerHanlder) handler ; 
        // TODO Auto-generated method stub
        myhandler.curPlayer = GameCenter.instance().AddPlayer(info) ;
        GameCenter.instance().RefreshState();
    }

}

responseMapping.xml

<?xml version="1.0" encoding="UTF-8"?>
<include>
    <item id="8000"  desc="请求描述8000"  class="MapFunc.MapLoginLogin"/>
    <item id="8001"  desc="请求描述8001"  class="MapFunc.MapLoginLogout"/>
    
    <item id="0001"  desc="添加用户注册名字"       class="MapFunc.GameLogin"/>
    <item id="0002"  desc="用户准备"          　　class="MapFunc.GamePrepare"/>
    <item id="0003"  desc="用户报数"         　　 class="MapFunc.GameCount"/>
    <item id="0004"  desc="用户下一局"         　 class="MapFunc.GameNext"/>
</include>