Co-Authored-By: ta264 <ta264@users.noreply.github.com>pull/17/head
Qstick
3 years ago
parent
428c9c034c
commit
596ba2dcbc
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using System;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace NzbDrone.Common.Serializer
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{
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public class PolymorphicWriteOnlyJsonConverter<T> : JsonConverter<T>
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{
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public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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return JsonSerializer.Deserialize<T>(ref reader, options);
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}
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public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
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{
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JsonSerializer.Serialize(writer, value, value.GetType(), options);
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}
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}
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}
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using System;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using NzbDrone.Common.Http;
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namespace NzbDrone.Common.Serializer
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{
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public class STJHttpUriConverter : JsonConverter<HttpUri>
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{
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public override HttpUri Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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return new HttpUri(reader.GetString());
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}
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public override void Write(Utf8JsonWriter writer, HttpUri value, JsonSerializerOptions options)
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{
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if (value == null)
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{
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writer.WriteNullValue();
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}
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else
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{
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writer.WriteStringValue(value.FullUri);
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}
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}
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}
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}
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using System;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace NzbDrone.Common.Serializer
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{
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public class STJUtcConverter : JsonConverter<DateTime>
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{
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public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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return DateTime.Parse(reader.GetString());
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}
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public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
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{
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writer.WriteStringValue(value.ToUniversalTime().ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ssZ"));
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}
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}
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}
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@ -0,0 +1,48 @@
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using System;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace NzbDrone.Common.Serializer
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{
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public class STJVersionConverter : JsonConverter<Version>
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{
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public override Version Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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if (reader.TokenType == JsonTokenType.Null)
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{
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return null;
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}
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else
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{
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if (reader.TokenType == JsonTokenType.String)
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{
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try
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{
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Version v = new Version(reader.GetString());
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return v;
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}
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catch (Exception)
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{
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throw new JsonException();
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}
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}
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else
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{
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throw new JsonException();
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}
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}
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}
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public override void Write(Utf8JsonWriter writer, Version value, JsonSerializerOptions options)
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{
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if (value == null)
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{
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writer.WriteNullValue();
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}
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else
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{
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writer.WriteStringValue(value.ToString());
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}
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}
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}
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}
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@ -0,0 +1,88 @@
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using System;
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using System.IO;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace NzbDrone.Common.Serializer
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{
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public static class STJson
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{
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private static readonly JsonSerializerOptions SerializerSettings = GetSerializerSettings();
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private static readonly JsonWriterOptions WriterOptions = new JsonWriterOptions
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{
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Indented = true
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};
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public static JsonSerializerOptions GetSerializerSettings()
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{
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var serializerSettings = new JsonSerializerOptions
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{
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AllowTrailingCommas = true,
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DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
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PropertyNameCaseInsensitive = true,
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DictionaryKeyPolicy = JsonNamingPolicy.CamelCase,
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
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WriteIndented = true
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};
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serializerSettings.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, true));
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serializerSettings.Converters.Add(new STJVersionConverter());
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serializerSettings.Converters.Add(new STJHttpUriConverter());
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serializerSettings.Converters.Add(new STJTimeSpanConverter());
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serializerSettings.Converters.Add(new STJUtcConverter());
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return serializerSettings;
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}
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public static T Deserialize<T>(string json)
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where T : new()
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{
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return JsonSerializer.Deserialize<T>(json, SerializerSettings);
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}
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public static object Deserialize(string json, Type type)
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{
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return JsonSerializer.Deserialize(json, type, SerializerSettings);
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}
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public static object Deserialize(Stream input, Type type)
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{
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return JsonSerializer.DeserializeAsync(input, type, SerializerSettings).GetAwaiter().GetResult();
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}
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public static bool TryDeserialize<T>(string json, out T result)
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where T : new()
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{
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try
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{
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result = Deserialize<T>(json);
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return true;
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}
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catch (JsonException)
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{
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result = default(T);
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return false;
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}
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}
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public static string ToJson(object obj)
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{
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return JsonSerializer.Serialize(obj, SerializerSettings);
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}
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public static void Serialize<TModel>(TModel model, Stream outputStream, JsonSerializerOptions options = null)
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{
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if (options == null)
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{
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options = SerializerSettings;
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}
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// Cast to object to get all properties written out
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// https://github.com/dotnet/corefx/issues/38650
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using (var writer = new Utf8JsonWriter(outputStream, options: WriterOptions))
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{
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JsonSerializer.Serialize(writer, (object)model, options);
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}
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}
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}
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}
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@ -0,0 +1,90 @@
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using System;
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using System.Reflection;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace NzbDrone.Core.Datastore
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{
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public class LazyLoadedConverterFactory : JsonConverterFactory
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{
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public override bool CanConvert(Type typeToConvert)
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{
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if (!typeToConvert.IsGenericType)
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{
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return false;
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}
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return typeToConvert.GetGenericTypeDefinition() == typeof(LazyLoaded<>);
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}
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public override JsonConverter CreateConverter(Type type, JsonSerializerOptions options)
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{
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var childType = type.GetGenericArguments()[0];
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return (JsonConverter)Activator.CreateInstance(
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typeof(LazyLoadedConverter<>).MakeGenericType(childType),
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BindingFlags.Instance | BindingFlags.Public,
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binder: null,
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args: new object[] { options },
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culture: null);
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}
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private class LazyLoadedConverter<TChild> : JsonConverter<LazyLoaded<TChild>>
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{
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private readonly JsonConverter<TChild> _childConverter;
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private readonly Type _childType;
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public LazyLoadedConverter(JsonSerializerOptions options)
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{
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// For performance, use the existing converter if available.
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_childConverter = (JsonConverter<TChild>)options
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.GetConverter(typeof(TChild));
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// Cache the type.
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_childType = typeof(TChild);
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}
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public override LazyLoaded<TChild> Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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TChild value;
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if (_childConverter != null)
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{
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reader.Read();
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value = _childConverter.Read(ref reader, _childType, options);
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}
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else
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{
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value = JsonSerializer.Deserialize<TChild>(ref reader, options);
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}
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if (value != null)
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{
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return new LazyLoaded<TChild>(value);
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}
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else
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{
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return null;
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}
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}
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public override void Write(Utf8JsonWriter writer, LazyLoaded<TChild> value, JsonSerializerOptions options)
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{
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if (value.IsLoaded)
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{
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if (_childConverter != null)
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{
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_childConverter.Write(writer, value.Value, options);
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}
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else
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{
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JsonSerializer.Serialize(writer, value.Value, options);
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}
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}
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else
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{
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writer.WriteNullValue();
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}
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}
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}
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}
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}
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