added an abstraction layer for json serializer, should work in mono.

NzbDrone.Api/ErrorManagement/ApiException.cs

@@ -1,8 +1,6 @@
 using System;
-using System.Linq;
 using Nancy;
 using Nancy.Responses;
-using Newtonsoft.Json;
 using NzbDrone.Api.Extensions;
 
 namespace NzbDrone.Api.ErrorManagement
@@ -15,7 +13,7 @@ public abstract class ApiException : Exception
         public HttpStatusCode StatusCode { get; private set; }
 
         protected ApiException(HttpStatusCode statusCode, object content = null)
-                : base(GetMessage(statusCode, content))
+            : base(GetMessage(statusCode, content))
         {
             StatusCode = statusCode;
             Content = content;
@@ -32,7 +30,7 @@ private static string GetMessage(HttpStatusCode statusCode, object content)
 
             if (content != null)
             {
-                result = result + " :" + JsonConvert.SerializeObject(content);
+                result = result + " :" + content;
             }
 
             return result;

NzbDrone.Api/Extensions/NancyJsonSerializer.cs

@@ -1,14 +1,19 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using Nancy;
-using Newtonsoft.Json;
+using NzbDrone.Common;
 
 namespace NzbDrone.Api.Extensions
 {
     public class NancyJsonSerializer : ISerializer
     {
-        public readonly static NancyJsonSerializer Instance = new NancyJsonSerializer();
+        private readonly IJsonSerializer _jsonSerializer;
+
+        public NancyJsonSerializer(IJsonSerializer jsonSerializer)
+        {
+            _jsonSerializer = jsonSerializer;
+        }
+
 
         public bool CanSerialize(string contentType)
         {
@@ -17,9 +22,7 @@ public bool CanSerialize(string contentType)
 
         public void Serialize<TModel>(string contentType, TModel model, Stream outputStream)
         {
-            var jsonTextWriter = new JsonTextWriter(new StreamWriter(outputStream));
+            _jsonSerializer.Serialize(model, outputStream);
-            Serializer.Instance.Serialize(jsonTextWriter, model);
-            jsonTextWriter.Flush();
         }
 
         public IEnumerable<string> Extensions { get; private set; }

NzbDrone.Api/Extensions/RequestExtensions.cs

@@ -1,25 +1,26 @@
 using System.IO;
-using System.Linq;
 using Nancy;
 using Nancy.Responses;
-using Newtonsoft.Json;
+using NzbDrone.Common;
 
 namespace NzbDrone.Api.Extensions
 {
     public static class JsonExtensions
     {
-        public static T FromJson<T>(this Stream body)
+        private static readonly JsonSerializer Serializer = new JsonSerializer();
+        private static readonly NancyJsonSerializer NancySerializer = new NancyJsonSerializer(Serializer);
+
+        public static T FromJson<T>(this Stream body) where T : class, new()
         {
             var reader = new StreamReader(body, true);
             body.Position = 0;
             var value = reader.ReadToEnd();
-            return JsonConvert.DeserializeObject<T>(value, Serializer.Settings);
+            return Serializer.Deserialize<T>(value);
         }
 
         public static JsonResponse<TModel> AsResponse<TModel>(this TModel model, HttpStatusCode statusCode = HttpStatusCode.OK)
         {
-            var jsonResponse = new JsonResponse<TModel>(model, new NancyJsonSerializer()) { StatusCode = statusCode };
+            return new JsonResponse<TModel>(model, NancySerializer) { StatusCode = statusCode };
-            return jsonResponse;
         }
     }
 }

NzbDrone.Api/Extensions/Serializer.cs

@@ -1,33 +0,0 @@
-using System.Linq;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Serialization;
-
-namespace NzbDrone.Api.Extensions
-{
-    public static class Serializer
-    {
-        static Serializer()
-        {
-            Settings = new JsonSerializerSettings
-                {
-                        DateTimeZoneHandling = DateTimeZoneHandling.Utc,
-                        NullValueHandling = NullValueHandling.Ignore,
-                        Formatting = Formatting.Indented,
-                        DefaultValueHandling = DefaultValueHandling.IgnoreAndPopulate
-                };
-
-            Instance = new JsonSerializer
-                {
-                        DateTimeZoneHandling = Settings.DateTimeZoneHandling,
-                        NullValueHandling = NullValueHandling.Ignore,
-                        Formatting = Formatting.Indented,
-                        DefaultValueHandling = DefaultValueHandling.IgnoreAndPopulate,
-                        ContractResolver =  new CamelCasePropertyNamesContractResolver()
-                };
-        }
-
-        public static JsonSerializerSettings Settings { get; private set; }
-
-        public static JsonSerializer Instance { get; private set; }
-    }
-}

NzbDrone.Api/NzbDrone.Api.csproj

@@ -66,10 +66,6 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Nancy.0.16.1\lib\net40\Nancy.dll</HintPath>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
-    </Reference>
     <Reference Include="NLog, Version=2.0.1.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\NLog.2.0.1.2\lib\net40\NLog.dll</HintPath>
@@ -86,7 +82,6 @@
     <Compile Include="Episodes\EpisodeModule.cs" />
     <Compile Include="Episodes\EpisodeResource.cs" />
     <Compile Include="Extensions\NancyJsonSerializer.cs" />
-    <Compile Include="Extensions\Serializer.cs" />
     <Compile Include="Frontend\IndexModule.cs" />
     <Compile Include="Frontend\StaticResourceProvider.cs" />
     <Compile Include="Frontend\StaticResourceMapper.cs" />

NzbDrone.Api/packages.config

@@ -3,6 +3,5 @@
   <package id="AutoMapper" version="2.2.1" targetFramework="net40" />
   <package id="FluentValidation" version="3.4.6.0" targetFramework="net40" />
   <package id="Nancy" version="0.16.1" targetFramework="net40" />
-  <package id="Newtonsoft.Json" version="5.0.2" targetFramework="net40" />
   <package id="NLog" version="2.0.1.2" targetFramework="net40" />
 </packages>

NzbDrone.Common/IJsonSerializer.cs

@@ -0,0 +1,58 @@
+using System.IO;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+
+namespace NzbDrone.Common
+{
+    public interface IJsonSerializer
+    {
+        T Deserialize<T>(string json) where T : class, new();
+        string Serialize(object obj);
+        void Serialize<TModel>(TModel model, Stream outputStream);
+    }
+
+    public class JsonSerializer : IJsonSerializer
+    {
+        private readonly Newtonsoft.Json.JsonSerializer _jsonNetSerializer;
+
+        public JsonSerializer()
+        {
+            var setting = new JsonSerializerSettings
+                {
+                    DateTimeZoneHandling = DateTimeZoneHandling.Utc,
+                    NullValueHandling = NullValueHandling.Ignore,
+                    Formatting = Formatting.Indented,
+                    DefaultValueHandling = DefaultValueHandling.IgnoreAndPopulate
+                };
+
+            _jsonNetSerializer = new Newtonsoft.Json.JsonSerializer()
+                {
+                    DateTimeZoneHandling = setting.DateTimeZoneHandling,
+                    NullValueHandling = NullValueHandling.Ignore,
+                    Formatting = Formatting.Indented,
+                    DefaultValueHandling = DefaultValueHandling.IgnoreAndPopulate,
+                    ContractResolver = new CamelCasePropertyNamesContractResolver()
+                };
+        }
+
+
+
+        public T Deserialize<T>(string json) where T : class, new()
+        {
+            return JsonConvert.DeserializeObject<T>(json);
+        }
+
+        public string Serialize(object obj)
+        {
+            return JsonConvert.SerializeObject(obj);
+        }
+
+
+        public void Serialize<TModel>(TModel model, Stream outputStream)
+        {
+            var jsonTextWriter = new JsonTextWriter(new StreamWriter(outputStream));
+            _jsonNetSerializer.Serialize(jsonTextWriter, model);
+            jsonTextWriter.Flush();
+        }
+    }
+}

NzbDrone.Common/NzbDrone.Common.csproj

@@ -67,7 +67,7 @@
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net35\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="NLog, Version=2.0.1.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -115,6 +115,7 @@
     <Compile Include="Expansive\TreeNode.cs" />
     <Compile Include="Expansive\TreeNodeList.cs" />
     <Compile Include="HostController.cs" />
+    <Compile Include="IJsonSerializer.cs" />
     <Compile Include="Instrumentation\VersionLayoutRenderer.cs" />
     <Compile Include="StringExtention.cs" />
     <Compile Include="HttpProvider.cs" />

NzbDrone.Core.Test/NzbDrone.Core.Test.csproj

@@ -91,8 +91,7 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\NCrunch.Framework.1.45.0.11\lib\net35\NCrunch.Framework.dll</HintPath>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+    <Reference Include="Newtonsoft.Json">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="NLog, Version=2.0.1.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
@@ -171,7 +170,6 @@
     <Compile Include="UpdateTests\UpdateServiceFixture.cs" />
     <Compile Include="ProviderTests\XemCommunicationProviderTests\GetSceneTvdbMappingsFixture.cs" />
     <Compile Include="ProviderTests\XemCommunicationProviderTests\GetXemSeriesIdsFixture.cs" />
-    <Compile Include="Services\ParseErrorServiceFixture.cs" />
     <Compile Include="HelperTests\SortHelperTest.cs" />
     <Compile Include="DecisionEngineTests\AcceptableSizeSpecificationFixture.cs" />
     <Compile Include="Qualities\QualitySizeServiceFixture.cs" />

NzbDrone.Core.Test/Services/ParseErrorServiceFixture.cs

@@ -1,30 +0,0 @@
-using System;
-using System.Linq;
-using System.Reflection;
-using NUnit.Framework;
-using NzbDrone.Core.Test.Framework;
-
-namespace NzbDrone.Core.Test.Services
-{
-    [TestFixture]
-    public class ParseErrorServiceFixture : CoreTest
-    {
-
-        public ParseErrorServiceFixture()
-        {
-            AppDomain.CurrentDomain.AssemblyResolve +=
-                new ResolveEventHandler(CurrentDomain_AssemblyResolve);
-        }
-
-
-        Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
-        {
-            var name = new AssemblyName(args.Name);
-            if (name.Name == "Newtonsoft.Json")
-            {
-                return typeof(Newtonsoft.Json.JsonSerializer).Assembly;
-            }
-            return null;
-        }
-    }
-}

NzbDrone.Core/NzbDrone.Core.csproj

@@ -144,7 +144,7 @@
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net35\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="NLog, Version=2.0.1.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>

NzbDrone.Libraries.Test/Json/JsonFixture.cs

@@ -1,10 +1,11 @@
 using NUnit.Framework;
-using Newtonsoft.Json;
+using NzbDrone.Common;
+using NzbDrone.Test.Common;
 
 namespace NzbDrone.Libraries.Test.Json
 {
     [TestFixture]
-    public class JsonFixture
+    public class JsonFixture : TestBase<JsonSerializer>
     {
         public class TypeWithNumbers
         {
@@ -16,9 +17,9 @@ public void should_be_able_to_deserialize_numbers()
         {
             var quality = new TypeWithNumbers { Id = 12 };
 
-            var json = JsonConvert.SerializeObject(quality);
+            var json = Subject.Serialize(quality);
 
-            JsonConvert.DeserializeObject(json);
+            Subject.Deserialize<TypeWithNumbers>(json);
         }
     }
 }

NzbDrone.Libraries.Test/NzbDrone.Libraries.Test.csproj

@@ -22,6 +22,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -32,9 +33,6 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
-    </Reference>
     <Reference Include="nunit.framework">
       <HintPath>..\packages\NUnit.2.6.2\lib\nunit.framework.dll</HintPath>
     </Reference>
@@ -54,10 +52,18 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\NzbDrone.Common\NzbDrone.Common.csproj">
+      <Project>{F2BE0FDF-6E47-4827-A420-DD4EF82407F8}</Project>
+      <Name>NzbDrone.Common</Name>
+    </ProjectReference>
     <ProjectReference Include="..\NzbDrone.Core\NzbDrone.Core.csproj">
       <Project>{FF5EE3B6-913B-47CE-9CEB-11C51B4E1205}</Project>
       <Name>NzbDrone.Core</Name>
     </ProjectReference>
+    <ProjectReference Include="..\NzbDrone.Test.Common\NzbDrone.Test.Common.csproj">
+      <Project>{CADDFCE0-7509-4430-8364-2074E1EEFCA2}</Project>
+      <Name>NzbDrone.Test.Common</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="$(SolutionDir)\.nuget\nuget.targets" />

NzbDrone.Libraries.Test/packages.config

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="5.0.2" targetFramework="net40" />
   <package id="NUnit" version="2.6.2" targetFramework="net40" />
 </packages>