From c10f7628c4505f90b0db5140bfb2ca1b3c54f554 Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Tue, 29 Jul 2025 21:03:52 +0800
Subject: [PATCH] Remove `ObjectToInferredTypesConverter` from
 `SystemTextJsonOutputFormatter`.

---
 .../AspNetCore/Mvc/AbpMvcOptionsExtensions.cs  | 18 +++++++++++++++++-
 .../ObjectToInferredTypesConverter.cs          |  5 -----
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/AbpMvcOptionsExtensions.cs b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/AbpMvcOptionsExtensions.cs
index 081342b913..cb63a9e6c8 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/AbpMvcOptionsExtensions.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/AbpMvcOptionsExtensions.cs
@@ -1,5 +1,9 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.Json;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Formatters;
 using Microsoft.AspNetCore.Mvc.ModelBinding;
 using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
 using Microsoft.Extensions.DependencyInjection;
@@ -14,6 +18,7 @@ using Volo.Abp.AspNetCore.Mvc.Response;
 using Volo.Abp.AspNetCore.Mvc.Uow;
 using Volo.Abp.AspNetCore.Mvc.Validation;
 using Volo.Abp.Content;
+using Volo.Abp.Json.SystemTextJson.JsonConverters;
 
 namespace Volo.Abp.AspNetCore.Mvc;
 
@@ -32,6 +37,17 @@ internal static class AbpMvcOptionsExtensions
     private static void AddFormatters(MvcOptions options)
     {
         options.OutputFormatters.Insert(0, new RemoteStreamContentOutputFormatter());
+        var systemTextJsonOutputFormatter = options.OutputFormatters
+            .Where(f => f is SystemTextJsonOutputFormatter)
+            .Cast<SystemTextJsonOutputFormatter>().FirstOrDefault();
+
+        if (systemTextJsonOutputFormatter != null)
+        {
+            options.OutputFormatters.Remove(systemTextJsonOutputFormatter);
+            var jsonOptions = new JsonSerializerOptions(systemTextJsonOutputFormatter.SerializerOptions);
+            jsonOptions.Converters.RemoveAll(x => x is ObjectToInferredTypesConverter);
+            options.OutputFormatters.Add(new SystemTextJsonOutputFormatter(jsonOptions));
+        }
     }
 
     private static void AddConventions(MvcOptions options, IServiceCollection services)
diff --git a/framework/src/Volo.Abp.Json.SystemTextJson/Volo/Abp/Json/SystemTextJson/JsonConverters/ObjectToInferredTypesConverter.cs b/framework/src/Volo.Abp.Json.SystemTextJson/Volo/Abp/Json/SystemTextJson/JsonConverters/ObjectToInferredTypesConverter.cs
index 5daadb865b..74dbe5bc33 100644
--- a/framework/src/Volo.Abp.Json.SystemTextJson/Volo/Abp/Json/SystemTextJson/JsonConverters/ObjectToInferredTypesConverter.cs
+++ b/framework/src/Volo.Abp.Json.SystemTextJson/Volo/Abp/Json/SystemTextJson/JsonConverters/ObjectToInferredTypesConverter.cs
@@ -9,11 +9,6 @@ namespace Volo.Abp.Json.SystemTextJson.JsonConverters;
 /// </summary>
 public class ObjectToInferredTypesConverter : JsonConverter<object>
 {
-    public override bool CanConvert(Type typeToConvert)
-    {
-        return typeToConvert == typeof(object);
-    }
-
     public override object Read(
         ref Utf8JsonReader reader,
         Type typeToConvert,