MappingSerializer (Newtonsoft or SystemText)-Json

src/WireMock.Net.Minimal/Serialization/MappingSerializer.cs

@@ -0,0 +1,49 @@
+// Copyright © WireMock.Net
+
+using System;
+using JsonConverter.Abstractions;
+using Newtonsoft.Json.Linq;
+#if NETSTANDARD2_0_OR_GREATER || NETCOREAPP3_1_OR_GREATER || NET6_0_OR_GREATER || NET461
+using System.Text.Json;
+#endif
+
+namespace WireMock.Serialization;
+
+internal class MappingSerializer(IJsonConverter jsonConverter)
+{
+    internal T[] DeserializeJsonToArray<T>(string value)
+    {
+        return DeserializeObjectToArray<T>(jsonConverter.Deserialize<object>(value)!);
+    }
+
+    internal static T[] DeserializeObjectToArray<T>(object value)
+    {
+        if (value is JArray jArray)
+        {
+            return jArray.ToObject<T[]>()!;
+        }
+
+        if (value is JObject jObject)
+        {
+            var singleResult = jObject.ToObject<T>();
+            return [singleResult!];
+        }
+
+#if NETSTANDARD2_0_OR_GREATER || NETCOREAPP3_1_OR_GREATER || NET6_0_OR_GREATER || NET461
+        if (value is JsonElement jElement)
+        {
+            if (jElement.ValueKind == JsonValueKind.Array)
+            {
+                return jElement.Deserialize<T[]>()!;
+            }
+
+            if (jElement.ValueKind == JsonValueKind.Object)
+            {
+                var singleResult = jElement.Deserialize<T>();
+                return [singleResult!];
+            }
+        }
+#endif
+        throw new InvalidOperationException("Cannot deserialize the provided value to an array or object.");
+    }
+}

src/WireMock.Net.Minimal/Server/WireMockServer.Admin.cs

@@ -236,7 +236,7 @@ public bool ReadStaticMappingAndAddOrUpdate(string path)
 
         if (FileHelper.TryReadMappingFileWithRetryAndDelay(_settings.FileSystemHandler, path, out var value))
         {
-            var mappingModels = DeserializeJsonToArray<MappingModel>(value);
+            var mappingModels = _mappingSerializer.DeserializeJsonToArray<MappingModel>(value);
             if (mappingModels.Length == 1 && Guid.TryParse(filenameWithoutExtension, out var guidFromFilename))
             {
                 ConvertMappingAndRegisterAsRespondProvider(mappingModels[0], guidFromFilename, path);
@@ -859,6 +859,18 @@ private static ResponseMessage ToResponseMessage(string text)
         };
     }
 
+    private static T[] DeserializeRequestMessageToArray<T>(IRequestMessage requestMessage)
+    {
+        if (requestMessage.BodyData?.DetectedBodyType == BodyType.Json && requestMessage.BodyData.BodyAsJson != null)
+        {
+            var bodyAsJson = requestMessage.BodyData.BodyAsJson!;
+
+            return MappingSerializer.DeserializeObjectToArray<T>(bodyAsJson);
+        }
+
+        throw new NotSupportedException();
+    }
+
     private static T DeserializeObject<T>(IRequestMessage requestMessage) where T : new()
     {
         switch (requestMessage.BodyData?.DetectedBodyType)
@@ -874,32 +886,4 @@ private static ResponseMessage ToResponseMessage(string text)
                 throw new NotSupportedException();
         }
     }
-
-    private static T[] DeserializeRequestMessageToArray<T>(IRequestMessage requestMessage)
-    {
-        if (requestMessage.BodyData?.DetectedBodyType == BodyType.Json && requestMessage.BodyData.BodyAsJson != null)
-        {
-            var bodyAsJson = requestMessage.BodyData.BodyAsJson;
-
-            return DeserializeObjectToArray<T>(bodyAsJson);
-        }
-
-        throw new NotSupportedException();
-    }
-
-    private static T[] DeserializeJsonToArray<T>(string value)
-    {
-        return DeserializeObjectToArray<T>(JsonUtils.DeserializeObject(value));
-    }
-
-    private static T[] DeserializeObjectToArray<T>(object value)
-    {
-        if (value is JArray jArray)
-        {
-            return jArray.ToObject<T[]>()!;
-        }
-
-        var singleResult = ((JObject)value).ToObject<T>();
-        return new[] { singleResult! };
-    }
 }

src/WireMock.Net.Minimal/Server/WireMockServer.ImportWireMockOrg.cs

@@ -31,7 +31,7 @@ public void ReadStaticWireMockOrgMappingAndAddOrUpdate(string path)
 
         if (FileHelper.TryReadMappingFileWithRetryAndDelay(_settings.FileSystemHandler, path, out var value))
         {
-            var mappings = DeserializeJsonToArray<OrgMapping>(value);
+            var mappings = _mappingSerializer.DeserializeJsonToArray<OrgMapping>(value);
             foreach (var mapping in mappings)
             {
                 if (mappings.Length == 1 && Guid.TryParse(filenameWithoutExtension, out var guidFromFilename))

src/WireMock.Net.Minimal/Server/WireMockServer.cs

@@ -8,9 +8,11 @@
 using System.Linq;
 using System.Net;
 using System.Net.Http;
+using System.Runtime;
 using System.Threading;
 using AnyOfTypes;
 using JetBrains.Annotations;
+using JsonConverter.Newtonsoft.Json;
 using Newtonsoft.Json;
 using Stef.Validation;
 using WireMock.Admin.Mappings;
@@ -47,6 +49,7 @@ public partial class WireMockServer : IWireMockServer
     private readonly MappingBuilder _mappingBuilder;
     private readonly IGuidUtils _guidUtils = new GuidUtils();
     private readonly IDateTimeUtils _dateTimeUtils = new DateTimeUtils();
+    private readonly MappingSerializer _mappingSerializer;
 
     /// <inheritdoc />
     [PublicAPI]
@@ -357,6 +360,8 @@ protected WireMockServer(WireMockServerSettings settings)
     {
         _settings = Guard.NotNull(settings);
 
+        _mappingSerializer = new MappingSerializer(settings.MappingJsonSerializer ?? new NewtonsoftJsonConverter());
+
         // Set default values if not provided
         _settings.Logger = settings.Logger ?? new WireMockNullLogger();
         _settings.FileSystemHandler = settings.FileSystemHandler ?? new LocalFileSystemHandler();
@@ -639,7 +644,7 @@ public IWireMockServer WithMapping(params MappingModel[] mappings)
     [PublicAPI]
     public IWireMockServer WithMapping(string mappings)
     {
-        var mappingModels = DeserializeJsonToArray<MappingModel>(mappings);
+        var mappingModels = _mappingSerializer.DeserializeJsonToArray<MappingModel>(mappings);
         foreach (var mappingModel in mappingModels)
         {
             ConvertMappingAndRegisterAsRespondProvider(mappingModel, mappingModel.Guid ?? Guid.NewGuid());

src/WireMock.Net.Minimal/WireMock.Net.Minimal.csproj

@@ -57,8 +57,8 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="JsonConverter.Abstractions" Version="0.7.0" />
-        <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+        <!--<PackageReference Include="JsonConverter.Abstractions" Version="0.7.0" />-->
+        <PackageReference Include="JsonConverter.Newtonsoft.Json" Version="0.7.0" />
         <PackageReference Include="NJsonSchema.Extensions" Version="0.1.0" />
         <PackageReference Include="NSwag.Core" Version="13.16.1" />
         <PackageReference Include="SimMetrics.Net" Version="1.0.5" />
@@ -118,11 +118,13 @@
 
         <!-- https://github.com/wiremock/WireMock.Net/issues/507 -->
         <PackageReference Include="Microsoft.AspNetCore.Server.IIS" Version="2.2.6" />
+        <PackageReference Include="JsonConverter.System.Text.Json" Version="0.7.0" />
     </ItemGroup>
 
     <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0' or '$(TargetFramework)' == 'net6.0' or '$(TargetFramework)' == 'net7.0' or '$(TargetFramework)' == 'net8.0'">
         <FrameworkReference Include="Microsoft.AspNetCore.App" />
         <PackageReference Include="Scriban.Signed" Version="5.5.0" />
+        <PackageReference Include="JsonConverter.System.Text.Json" Version="0.7.0" />
     </ItemGroup>
 
     <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">

src/WireMock.Net.Shared/Settings/WireMockServerSettings.cs

@@ -14,6 +14,7 @@
 using WireMock.Types;
 using System.Globalization;
 using WireMock.Models;
+using JsonConverter.Abstractions;
 
 #if USE_ASPNETCORE
 using Microsoft.Extensions.DependencyInjection;
@@ -338,4 +339,14 @@ public class WireMockServerSettings
     /// </summary>
     [PublicAPI]
     public HandlebarsSettings? HandlebarsSettings { get; set; }
+
+    /// <summary>
+    /// Gets or sets the JSON converter used for MappingModel serialization.
+    /// </summary>
+    /// <remarks>
+    /// Set this property to customize how objects are serialized to and deserialized from JSON during mapping.
+    /// If not set, the NewtonsoftJsonConverter will be used.
+    /// </remarks>
+    [PublicAPI]
+    public IJsonConverter? MappingJsonSerializer { get; set; }
 }