content: package com.alibaba.fastjson.support.spring;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.parser.Feature;
  import com.alibaba.fastjson.serializer.ContextAutoTypeBeforeHandler;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  import org.springframework.data.redis.serializer.RedisSerializer;
  import org.springframework.data.redis.serializer.SerializationException;
  
  /**
   * Fastjson for Spring Data Redis Serializer(Generic implement).
   * <p>
   * Compatible fastjson 1.2.x
   *
   * @author lihengming
   * @author Victor.Zxy
   * @see RedisSerializer
   * @since 2.0.2
   */
  public class GenericFastJsonRedisSerializer
          implements RedisSerializer<Object> {
      ContextAutoTypeBeforeHandler contextFilter;
  
      public GenericFastJsonRedisSerializer() {
          this.contextFilter = null;
      }
  
      public GenericFastJsonRedisSerializer(String[] acceptNames) {
          contextFilter = new ContextAutoTypeBeforeHandler(acceptNames);
      }
  
      @Override
      public byte[] serialize(Object object) throws SerializationException {
          if (object == null) {
              return new byte[0];
          }
          try {
              return JSON.toJSONBytes(object, SerializerFeature.WriteClassName);
          } catch (Exception ex) {
              throw new SerializationException("Could not serialize: " + ex.getMessage(), ex);
          }
      }
  
      @Override
      public Object deserialize(byte[] bytes) throws SerializationException {
          if (bytes == null || bytes.length == 0) {
              return null;
          }
          try {
              return JSON.parseObject(bytes, Object.class, contextFilter, Feature.SupportAutoType);
          } catch (Exception ex) {
              throw new SerializationException("Could not deserialize: " + ex.getMessage(), ex);
          }
      }
  }
  