package com.open.capacity.redis.config.util;

import java.nio.charset.Charset;

import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;

public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T> {
 
    public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
 
    private Class<T> clazz;
 
    public FastJson2JsonRedisSerializer(Class<T> clazz) {
        super();
        this.clazz = clazz;
    }
 
    @Override
    public byte[] serialize(T t) throws SerializationException {
        if (t == null) {
            return new byte[0];
        }
        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);
    }
 
    @Override
    public T deserialize(byte[] bytes) throws SerializationException {
        if (bytes == null || bytes.length <= 0) {
            return null;
        }
        String str = new String(bytes, DEFAULT_CHARSET);
 
        return (T) JSON.parseObject(str, clazz);
    }
 
}