using System;
using System.Collections.Generic;
using System.Formats.Asn1;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace GpsCardGatewayPosition.Common.Helper
{
    public class StringJsonConvert : JsonConverter
    {
        public override bool CanConvert(Type objectType)
        {
            return objectType == typeof(string);
        }

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.TokenType == JsonToken.String)
            {
                return reader.Value;
            }

            if (reader.TokenType == JsonToken.StartArray)
            {
                //舍弃[]之间的所有内容
                do
                {
                    var temp = reader.Read();
                } while (reader.TokenType != JsonToken.EndArray);
            }
            else if (reader.TokenType == JsonToken.StartObject)
            {
                //舍弃{}之间的所有内容
                do
                {
                    reader.Read();
                } while (reader.TokenType != JsonToken.EndObject);
            }
            return null;
        }

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            writer.WriteValue(value.ToString());
        }
    }
}