CSHARP-2592: Add .NET Standard 2.0 support.

Author: DmitryLukyanov

build.cake

@@ -15,8 +15,6 @@ var gitVersion = GitVersion();
 var solutionDirectory = MakeAbsolute(Directory("./"));
 var artifactsDirectory = solutionDirectory.Combine("artifacts");
 var artifactsBinDirectory = artifactsDirectory.Combine("bin");
-var artifactsBinNet452Directory = artifactsBinDirectory.Combine("net452");
-var artifactsBinNetStandard15Directory = artifactsBinDirectory.Combine("netstandard1.5");
 var artifactsDocsDirectory = artifactsDirectory.Combine("docs");
 var artifactsDocsApiDocsDirectory = artifactsDocsDirectory.Combine("ApiDocs-" + gitVersion.LegacySemVer);
 var artifactsDocsRefDocsDirectory = artifactsDocsDirectory.Combine("RefDocs-" + gitVersion.LegacySemVer);
@@ -75,7 +73,7 @@ Task("BuildArtifacts")
     .IsDependentOn("Build")
     .Does(() =>
     {
-        foreach (var targetFramework in new[] { "net452", "netstandard1.5" })
+        foreach (var targetFramework in new[] { "net452", "netstandard1.5", "netstandard2.0" })
         {
             var toDirectory = artifactsBinDirectory.Combine(targetFramework);
             CleanDirectory(toDirectory);

src/MongoDB.Bson/MongoDB.Bson.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.5;net452</TargetFrameworks>
+    <TargetFrameworks>netstandard1.5;netstandard2.0;net452</TargetFrameworks>
     <LangVersion>7.3</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <WarningsAsErrors />

src/MongoDB.Bson/Serialization/Serializers/BsonClassMapSerializer.cs

@@ -15,7 +15,9 @@
 
 using System;
 using System.Collections.Generic;
+#if NET452 || NETSTANDARD2_0
 using System.ComponentModel;
+#endif
 using System.Linq;
 using System.Reflection;
 using MongoDB.Bson.IO;
@@ -155,7 +157,7 @@ public TClass DeserializeClass(BsonDeserializationContext context)
 
             Dictionary<string, object> values = null;
             var document = default(TClass);
-#if NET452
+#if NET452 || NETSTANDARD2_0
             ISupportInitialize supportsInitialization = null;
 #endif
             if (_classMap.HasCreatorMaps)
@@ -168,7 +170,7 @@ public TClass DeserializeClass(BsonDeserializationContext context)
                 // for mutable classes we deserialize the values directly into the result object
                 document = (TClass)_classMap.CreateInstance();
 
-#if NET452
+#if NET452 || NETSTANDARD2_0
                 supportsInitialization = document as ISupportInitialize;
                 if (supportsInitialization != null)
                 {
@@ -319,7 +321,7 @@ public TClass DeserializeClass(BsonDeserializationContext context)
 
             if (document != null)
             {
-#if NET452
+#if NET452 || NETSTANDARD2_0
                 if (supportsInitialization != null)
                 {
                     supportsInitialization.EndInit();
@@ -471,7 +473,7 @@ private TClass CreateInstanceUsingCreator(Dictionary<string, object> values)
             var creatorMap = ChooseBestCreator(values);
             var document = creatorMap.CreateInstance(values); // removes values consumed
 
-#if NET452
+#if NET452 || NETSTANDARD2_0
             var supportsInitialization = document as ISupportInitialize;
             if (supportsInitialization != null)
             {
@@ -491,7 +493,7 @@ private TClass CreateInstanceUsingCreator(Dictionary<string, object> values)
                 }
             }
 
-#if NET452
+#if NET452 || NETSTANDARD2_0
             if (supportsInitialization != null)
             {
                 supportsInitialization.EndInit();

src/MongoDB.Bson/TargetFramework.cs

@@ -0,0 +1,29 @@
+/* Copyright 2020-present MongoDB Inc.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+namespace MongoDB.Bson
+{
+    internal static class TargetFramework
+    {
+        public static string Moniker =>
+#if NET452
+            "net452";
+#elif NETSTANDARD1_5
+            "netstandard15";
+#elif NETSTANDARD2_0
+            "netstandard20";
+#endif
+    }
+}

src/MongoDB.Driver.Core/MongoDB.Driver.Core.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.5;net452</TargetFrameworks>
+    <TargetFrameworks>netstandard1.5;netstandard2.0;net452</TargetFrameworks>
     <LangVersion>7.3</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <WarningsAsErrors />

src/MongoDB.Driver.Core/TargetFramework.cs

@@ -0,0 +1,29 @@
+/* Copyright 2020-present MongoDB Inc.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+namespace MongoDB.Driver.Core
+{
+    internal static class TargetFramework
+    {
+        public static string Moniker =>
+#if NET452
+            "net452";
+#elif NETSTANDARD1_5
+            "netstandard15";
+#elif NETSTANDARD2_0
+            "netstandard20";
+#endif
+    }
+}

src/MongoDB.Driver.GridFS/MongoDB.Driver.GridFS.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.5;net452</TargetFrameworks>
+    <TargetFrameworks>netstandard1.5;netstandard2.0;net452</TargetFrameworks>
     <LangVersion>7.3</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <WarningsAsErrors />

src/MongoDB.Driver.GridFS/TargetFramework.cs

@@ -0,0 +1,29 @@
+/* Copyright 2020-present MongoDB Inc.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+namespace MongoDB.Driver.GridFS
+{
+    internal static class TargetFramework
+    {
+        public static string Moniker =>
+#if NET452
+            "net452";
+#elif NETSTANDARD1_5
+            "netstandard15";
+#elif NETSTANDARD2_0
+            "netstandard20";
+#endif
+    }
+}

src/MongoDB.Driver.Legacy/MongoDB.Driver.Legacy.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.5;net452</TargetFrameworks>
+    <TargetFrameworks>netstandard1.5;netstandard2.0;net452</TargetFrameworks>
     <LangVersion>7.3</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <WarningsAsErrors />

src/MongoDB.Driver.Legacy/TargetFramework.cs

@@ -0,0 +1,29 @@
+/* Copyright 2020-present MongoDB Inc.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+namespace MongoDB.Driver.Legacy
+{
+    internal static class TargetFramework
+    {
+        public static string Moniker =>
+#if NET452
+            "net452";
+#elif NETSTANDARD1_5
+            "netstandard15";
+#elif NETSTANDARD2_0
+            "netstandard20";
+#endif
+    }
+}