content: package com.snow.common.redis.configure;
  
  import java.nio.charset.Charset;
  import org.springframework.data.redis.serializer.RedisSerializer;
  import org.springframework.data.redis.serializer.SerializationException;
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONReader;
  import com.alibaba.fastjson2.JSONWriter;
  import com.alibaba.fastjson2.filter.Filter;
  import com.snow.common.core.constant.Constants;
  
  /**
   * Redis使用FastJson序列化
   *
   * @author snow
   */
  public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T>
  {
      public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
  
      static final Filter AUTO_TYPE_FILTER = JSONReader.autoTypeFilter(Constants.JSON_WHITELIST_STR);
  
      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, JSONWriter.Feature.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 JSON.parseObject(str, clazz, AUTO_TYPE_FILTER);
      }
  }
  