62 lines
1.2 KiB
C#
62 lines
1.2 KiB
C#
using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System;
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using zero.Core.Entities;
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using zero.Core.Extensions;
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namespace zero.Core.Utils
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{
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public class RefJsonConverter : JsonConverter
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{
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private readonly Type type;
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public RefJsonConverter()
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{
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type = typeof(Ref<>);
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}
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public override bool CanRead => true;
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public override bool CanWrite => true;
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public override bool CanConvert(Type objectType) => objectType.IsGenericType && objectType.GetGenericTypeDefinition() == type;
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public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
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{
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string id = null;
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if (value is Ref)
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{
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id = (value as Ref).Id;
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}
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if (id.IsNullOrEmpty())
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{
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writer.WriteNull();
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}
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else
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{
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writer.WriteValue(id);
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}
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}
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public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
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{
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if (!(reader.Value is string))
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{
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return null;
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}
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if (((string)reader.Value).IsNullOrEmpty())
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{
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return null;
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}
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return Activator.CreateInstance(objectType, new object[1] { reader.Value });
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}
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}
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}
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