Add NewtonsoftStringValueTypeJsonConverter.

modules/feature-management/src/Volo.Abp.FeatureManagement.Application.Contracts/Volo/Abp/FeatureManagement/AbpFeatureManagementApplicationContractsModule.cs

@@ -2,6 +2,7 @@
 using Volo.Abp.Application;
 using Volo.Abp.Authorization;
 using Volo.Abp.FeatureManagement.JsonConverters;
+using Volo.Abp.Json.Newtonsoft;
 using Volo.Abp.Json.SystemTextJson;
 using Volo.Abp.Modularity;
 using Volo.Abp.VirtualFileSystem;
@@ -22,6 +23,11 @@ namespace Volo.Abp.FeatureManagement
                 options.FileSets.AddEmbedded<AbpFeatureManagementApplicationContractsModule>();
             });
 
+            Configure<AbpNewtonsoftJsonSerializerOptions>(options =>
+            {
+                options.Converters.Add<NewtonsoftStringValueTypeJsonConverter>();
+            });
+
             Configure<AbpSystemTextJsonSerializerOptions>(options =>
             {
                 options.JsonSerializerOptions.Converters.AddIfNotContains(new StringValueTypeJsonConverter());

modules/feature-management/src/Volo.Abp.FeatureManagement.Application.Contracts/Volo/Abp/FeatureManagement/JsonConverters/NewtonsoftStringValueTypeJsonConverter.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.Validation.StringValues;
+
+namespace Volo.Abp.FeatureManagement.JsonConverters
+{
+    public class NewtonsoftStringValueTypeJsonConverter : JsonConverter, ITransientDependency
+    {
+        public override bool CanWrite => false;
+
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType == typeof(IStringValueType);
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            throw new NotImplementedException("This method should not be called to write (since CanWrite is false).");
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            if (reader.TokenType != JsonToken.StartObject)
+            {
+                return null;
+            }
+
+            var jsonObject = JObject.Load(reader);
+
+            var stringValue = CreateStringValueTypeByName(jsonObject, jsonObject["name"].ToString());
+            foreach (var o in serializer.Deserialize<Dictionary<string, object>>(
+                new JsonTextReader(new StringReader(jsonObject["properties"].ToString()))))
+            {
+                stringValue[o.Key] = o.Value;
+            }
+
+            stringValue.Validator = CreateValueValidatorByName(jsonObject["validator"], jsonObject["validator"]["name"].ToString());
+            foreach (var o in serializer.Deserialize<Dictionary<string, object>>(
+                new JsonTextReader(new StringReader(jsonObject["validator"]["properties"].ToString()))))
+            {
+                stringValue.Validator[o.Key] = o.Value;
+            }
+
+            return stringValue;
+        }
+
+        protected virtual IStringValueType CreateStringValueTypeByName(JObject jObject, string name)
+        {
+            if (name == "SelectionStringValueType")
+            {
+                var selectionStringValueType = new SelectionStringValueType();
+                if (jObject["itemSource"].HasValues)
+                {
+                    selectionStringValueType.ItemSource = new StaticSelectionStringValueItemSource(jObject["itemSource"]["items"]
+                        .Select(item => new LocalizableSelectionStringValueItem()
+                        {
+                            Value = item["value"].ToString(),
+                            DisplayText = new LocalizableStringInfo(item["displayText"]["resourceName"].ToString(), item["displayText"]["name"].ToString())
+                        }).ToArray());
+                }
+
+                return selectionStringValueType;
+            }
+
+            return name switch
+            {
+                "FreeTextStringValueType" => new FreeTextStringValueType(),
+                "ToggleStringValueType" => new ToggleStringValueType(),
+                _ => throw new ArgumentException($"{nameof(IStringValueType)} named {name} was not found!")
+            };
+        }
+
+        protected virtual IValueValidator CreateValueValidatorByName(JToken jObject, string name)
+        {
+            return name switch
+            {
+                "NULL" => new AlwaysValidValueValidator(),
+                "BOOLEAN" => new BooleanValueValidator(),
+                "NUMERIC" => new NumericValueValidator(),
+                "STRING" => new StringValueValidator(),
+                _ => throw new ArgumentException($"{nameof(IValueValidator)} named {name} was not found!")
+            };
+        }
+    }
+}

modules/feature-management/test/Volo.Abp.FeatureManagement.Application.Tests/Volo/Abp/FeatureManagement/NewtonsoftStringValueJsonConverter_Tests.cs

@@ -0,0 +1,16 @@
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Json;
+
+namespace Volo.Abp.FeatureManagement
+{
+    public class NewtonsoftStringValueJsonConverter_Tests : StringValueJsonConverter_Tests
+    {
+        protected override void AfterAddApplication(IServiceCollection services)
+        {
+            services.PreConfigure<AbpJsonOptions>(options =>
+            {
+                options.UseHybridSerializer = true;
+            });
+        }
+    }
+}

modules/feature-management/test/Volo.Abp.FeatureManagement.Application.Tests/Volo/Abp/FeatureManagement/StringValueJsonConverter_Tests.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Text.Json;
 using Shouldly;
 using Volo.Abp.Json;
 using Volo.Abp.Validation.StringValues;
@@ -8,7 +7,7 @@ using Xunit;
 
 namespace Volo.Abp.FeatureManagement
 {
-    public class StringValueJsonConverter_Tests : FeatureManagementApplicationTestBase
+    public abstract class StringValueJsonConverter_Tests : FeatureManagementApplicationTestBase
     {
         private readonly IJsonSerializer _jsonSerializer;
 

modules/feature-management/test/Volo.Abp.FeatureManagement.Application.Tests/Volo/Abp/FeatureManagement/SystemTextJsonStringValueJsonConverter_Tests.cs

@@ -0,0 +1,16 @@
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Json;
+
+namespace Volo.Abp.FeatureManagement
+{
+    public class SystemTextJsonStringValueJsonConverter_Tests : StringValueJsonConverter_Tests
+    {
+        protected override void AfterAddApplication(IServiceCollection services)
+        {
+            services.PreConfigure<AbpJsonOptions>(options =>
+            {
+                options.UseHybridSerializer = false;
+            });
+        }
+    }
+}