Merge PR from feature branch into v4-development branch for System.Text.Json serialization (#3612)

* Updates serialization for JSON protocols to use System.Text.Json

Author: peterrsongg

generator/.DevConfigs/eaa9b1fa-a182-44bd-bca5-8bbb9918e45f.json

@@ -0,0 +1,9 @@
+{
+    "core": {
+      "changeLogMessages": [
+        "Updates serialization for JSON-based services to use System.Text.Json instead of LitJson for improved performance and smaller memory allocations."
+      ],
+      "type": "patch",
+      "updateMinimum": true
+    }
+  }

generator/ServiceClientGeneratorLib/Generators/Marshallers/AWSQueryEC2ResponseUnmarshaller.cs

@@ -273,7 +273,7 @@ public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext conte
         /// <returns></returns>
         public override AmazonServiceException UnmarshallException(XmlUnmarshallerContext context, Exception innerException, HttpStatusCode statusCode)
         {
-            ErrorResponse errorResponse = ErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
+            ErrorResponse errorResponse = XmlErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
 ");
 
             #line 121 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryEC2ResponseUnmarshaller.tt"

generator/ServiceClientGeneratorLib/Generators/Marshallers/AWSQueryEC2ResponseUnmarshaller.tt

@@ -117,7 +117,7 @@ namespace <#=this.Config.Namespace #>.Model.Internal.MarshallTransformations
         /// <returns></returns>
         public override AmazonServiceException UnmarshallException(XmlUnmarshallerContext context, Exception innerException, HttpStatusCode statusCode)
         {
-            ErrorResponse errorResponse = ErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
+            ErrorResponse errorResponse = XmlErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
 <#
     foreach (var exception in this.Operation.Exceptions)
     {

generator/ServiceClientGeneratorLib/Generators/Marshallers/AWSQueryExceptionUnmarshaller.cs

@@ -18,7 +18,7 @@ namespace ServiceClientGenerator.Generators.Marshallers
     /// Class to produce the template output
     /// </summary>
 
-    #line 1 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+    #line 1 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.TextTemplating", "17.0.0.0")]
     public partial class AWSQueryExceptionUnmarshaller : BaseResponseUnmarshaller
     {
@@ -29,7 +29,7 @@ public partial class AWSQueryExceptionUnmarshaller : BaseResponseUnmarshaller
         public override string TransformText()
         {
 
-            #line 6 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 6 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
     AddLicenseHeader();
 
@@ -40,29 +40,29 @@ public override string TransformText()
             #line hidden
             this.Write("#pragma warning disable CS0612,CS0618\r\nnamespace ");
 
-            #line 12 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 12 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.Config.Namespace));
 
             #line default
             #line hidden
             this.Write(".Model.Internal.MarshallTransformations\r\n{\r\n    /// <summary>\r\n    /// Response U" +
                     "nmarshaller for ");
 
-            #line 15 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 15 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.UnmarshallerBaseName));
 
             #line default
             #line hidden
             this.Write(" operation\r\n    /// </summary>  \r\n    public class ");
 
-            #line 17 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 17 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.UnmarshallerBaseName));
 
             #line default
             #line hidden
-            this.Write("Unmarshaller : IErrorResponseUnmarshaller<");
+            this.Write("Unmarshaller : IXmlErrorResponseUnmarshaller<");
 
-            #line 17 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 17 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.UnmarshallerBaseName));
 
             #line default
@@ -72,7 +72,7 @@ public override string TransformText()
                     "\n        /// <param name=\"context\"></param>\r\n        /// <returns></returns>\r\n  " +
                     "      public ");
 
-            #line 24 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 24 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.UnmarshallerBaseName));
 
             #line default
@@ -90,22 +90,22 @@ public override string TransformText()
         /// <returns></returns>
         public ");
 
-            #line 35 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 35 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.UnmarshallerBaseName));
 
             #line default
             #line hidden
             this.Write(" Unmarshall(XmlUnmarshallerContext context, Amazon.Runtime.Internal.ErrorResponse" +
                     " errorResponse)\r\n        {\r\n            ");
 
-            #line 37 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 37 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.UnmarshallerBaseName));
 
             #line default
             #line hidden
             this.Write(" response = new ");
 
-            #line 37 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 37 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(this.UnmarshallerBaseName));
 
             #line default
@@ -125,7 +125,7 @@ public override string TransformText()
                 {
 ");
 
-            #line 50 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 50 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
     if(this.Structure != null)
     {
@@ -138,14 +138,14 @@ public override string TransformText()
             #line hidden
             this.Write("                    if (context.TestExpression(\"");
 
-            #line 57 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 57 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(testExpression));
 
             #line default
             #line hidden
             this.Write("\", targetDepth))\r\n                    {\r\n");
 
-            #line 59 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 59 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
             if (member.IsMap || member.IsList)
             {
@@ -155,42 +155,42 @@ public override string TransformText()
             #line hidden
             this.Write("                        if (response.");
 
-            #line 63 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 63 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(MemberAccessorFor(member.PropertyName)));
 
             #line default
             #line hidden
             this.Write(" == null)\r\n                        {\r\n                            response.");
 
-            #line 65 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 65 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(MemberAccessorFor(member.PropertyName)));
 
             #line default
             #line hidden
             this.Write(" = new ");
 
-            #line 65 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 65 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(member.DetermineType()));
 
             #line default
             #line hidden
             this.Write("();\r\n                        }\r\n                        var item = ");
 
-            #line 67 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 67 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(member.DetermineTypeUnmarshallerInstantiate()));
 
             #line default
             #line hidden
             this.Write(".Unmarshall(context);\r\n                        response.");
 
-            #line 68 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 68 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(MemberAccessorFor(member.PropertyName)));
 
             #line default
             #line hidden
             this.Write(".Add(item);\r\n");
 
-            #line 69 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 69 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
             }
             else
@@ -201,21 +201,21 @@ public override string TransformText()
             #line hidden
             this.Write("                        response.");
 
-            #line 74 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 74 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(MemberAccessorFor(member.PropertyName)));
 
             #line default
             #line hidden
             this.Write(" = ");
 
-            #line 74 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 74 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
             this.Write(this.ToStringHelper.ToStringWithCulture(member.DetermineTypeUnmarshallerInstantiate()));
 
             #line default
             #line hidden
             this.Write(".Unmarshall(context);\r\n");
 
-            #line 75 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 75 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
             }
 
@@ -224,7 +224,7 @@ public override string TransformText()
             #line hidden
             this.Write("                    }\r\n");
 
-            #line 79 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 79 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
         }
     }
@@ -234,7 +234,7 @@ public override string TransformText()
             #line hidden
             this.Write("                }\r\n            }\r\n            return response;\r\n        }\r\n\r\n");
 
-            #line 88 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+            #line 88 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
     this.AddStructureSingletonMethod();
 
@@ -245,7 +245,7 @@ public override string TransformText()
             return this.GenerationEnvironment.ToString();
         }
 
-        #line 94 "C:\codebase\v3\AWSDotNetPublic\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
+        #line 94 "C:\Dev\Repos\aws-sdk-net-staging\generator\ServiceClientGeneratorLib\Generators\Marshallers\AWSQueryExceptionUnmarshaller.tt"
 
 // if the result fields have been wrapped in a subordinate structure, wire the accessor
 // to use it when addressing a member

generator/ServiceClientGeneratorLib/Generators/Marshallers/AWSQueryExceptionUnmarshaller.tt

@@ -14,7 +14,7 @@ namespace <#=this.Config.Namespace #>.Model.Internal.MarshallTransformations
     /// <summary>
     /// Response Unmarshaller for <#=this.UnmarshallerBaseName #> operation
     /// </summary>  
-    public class <#=this.UnmarshallerBaseName #>Unmarshaller : IErrorResponseUnmarshaller<<#=this.UnmarshallerBaseName #>, XmlUnmarshallerContext>
+    public class <#=this.UnmarshallerBaseName #>Unmarshaller : IXmlErrorResponseUnmarshaller<<#=this.UnmarshallerBaseName #>, XmlUnmarshallerContext>
     {
         /// <summary>
         /// Unmarshaller the response from the service to the response class.

generator/ServiceClientGeneratorLib/Generators/Marshallers/AWSQueryResponseUnmarshaller.cs

@@ -316,7 +316,7 @@ public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext conte
         /// <returns></returns>
         public override AmazonServiceException UnmarshallException(XmlUnmarshallerContext context, Exception innerException, HttpStatusCode statusCode)
         {
-            ErrorResponse errorResponse = ErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
+            ErrorResponse errorResponse = XmlErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
             errorResponse.InnerException = innerException;
             errorResponse.StatusCode = statusCode;
 

generator/ServiceClientGeneratorLib/Generators/Marshallers/AWSQueryResponseUnmarshaller.tt

@@ -138,7 +138,7 @@ namespace <#=this.Config.Namespace #>.Model.Internal.MarshallTransformations
         /// <returns></returns>
         public override AmazonServiceException UnmarshallException(XmlUnmarshallerContext context, Exception innerException, HttpStatusCode statusCode)
         {
-            ErrorResponse errorResponse = ErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
+            ErrorResponse errorResponse = XmlErrorResponseUnmarshaller.GetInstance().Unmarshall(context);
             errorResponse.InnerException = innerException;
             errorResponse.StatusCode = statusCode;