jackson序列化问题Type id handling not implemented for type java.util.Date
jackson序列化问题Type id handling not implemented for type java.util.Date。重写serializeWithType方法。使用自定义序列化,Date类型使用的是。于是我们就可以做点坏事了。
·
jackson序列化问题Type id handling not implemented for type java.util.Date
https://blog.csdn.net/Ellen_Tangxiang/article/details/111310153
使用自定义序列化,Date类型使用的是
com.fasterxml.jackson.databind.JsonSerializer#serializeWithType
于是我们就可以做点坏事了
重写serializeWithType方法
package com.zhaolaobao.redis.mode;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.core.type.WritableTypeId;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;
import org.springframework.data.redis.serializer.SerializationUtils;
import org.springframework.lang.Nullable;
import java.io.IOException;
import java.util.Date;
/**
* @Author qiuxinyao
* @Description //TODO
* @Date 16:08 2020/8/27
* @Param
* @return
**/
public class DateToTimestamplUtil extends JsonSerializer<Object> {
@Override
public void serialize(Object value, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
if (value != null) {
Date date = translateToDate(value);
jsonGenerator.writeNumber(date.getTime());
}
}
/**
* 将Object对象转成Date对象
* @param object
* @return
*/
public static Date translateToDate(Object object){
Date date;
if(object instanceof Date){
date=(Date)object;
}else {
date = new Date();
}
return date;
}
@Override
public void serializeWithType(Object value, JsonGenerator g, SerializerProvider provider,
TypeSerializer typeSer) throws IOException
{
// NOTE: need not really be string; just indicates "scalar of some kind"
WritableTypeId typeIdDef = typeSer.writeTypePrefix(g,
typeSer.typeId(value, JsonToken.VALUE_STRING));
serialize(value, g, provider);
typeSer.writeTypeSuffix(g, typeIdDef);
}
}
更多推荐
所有评论(0)