package com.safeluck.aykj.annotation;

import com.safeluck.aykj.decoder.*;

import java.lang.reflect.Field;
import java.util.HashMap;

/**
 * Created by zhouwei on 2016/12/1.
 */
public final class AnnotationRegister {

    static HashMap hashMap = new HashMap();

    static
    {
        register(Int16.class,new Int16Coder());
        register(Int32.class,new Int32Coder());
        register(Int8.class,new ByteCoder());
        register(GBK.class,new GBKStringDecoder());
        register(Ascii.class,new GBKStringDecoder());

        register(BitState.class,new BitStateCoder());
        register(Hex.class,new DefaultHexCoder());
        register(UTF8.class,new UTF8StringDecoder());
        register(Bytes.class,new BytesCoder());
        register(Message.class,new BinMessageCoder());
        register(BcdDate.class,new BcdDateCoder());
        register(BcdDateTime.class,new BcdDateTimeCoder());
        register(Int16LE.class,new Int16LECoder());
        register(Int32LE.class,new Int32LECoder());


    }

    public static void register(Class annotation, IMessageCoder<?> coder)
    {
        hashMap.put(annotation,coder);
    }
    public static IMessageCoder getCoder(Class annotation)
    {
        IMessageCoder decoder =  (IMessageCoder)hashMap.get(annotation);
        if(decoder instanceof BaseDecoder)
        {
            BaseDecoder baseDecoder = (BaseDecoder)decoder;
            if(!baseDecoder.isSingleton)
            {
                try {
                    decoder = decoder.getClass().newInstance();
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            }
        }
        return decoder;
    }

}