4 files changed, 110 insertions, 0 deletions
diff --git a/Jellyfin.Api/Formatters/CamelCaseJsonProfileFormatter.cs b/Jellyfin.Api/Formatters/CamelCaseJsonProfileFormatter.cs
new file mode 100644
index 000000000..96b29b1cb
--- /dev/null
+++ b/Jellyfin.Api/Formatters/CamelCaseJsonProfileFormatter.cs
@@ -0,0 +1,20 @@
+using Jellyfin.Extensions.Json;
+using Microsoft.AspNetCore.Mvc.Formatters;
+using Microsoft.Net.Http.Headers;
+
+namespace Jellyfin.Api.Formatters;
+
+/// <summary>
+/// Camel Case Json Profile Formatter.
+/// </summary>
+public class CamelCaseJsonProfileFormatter : SystemTextJsonOutputFormatter
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="CamelCaseJsonProfileFormatter"/> class.
+    /// </summary>
+    public CamelCaseJsonProfileFormatter() : base(JsonDefaults.CamelCaseOptions)
+    {
+        SupportedMediaTypes.Clear();
+        SupportedMediaTypes.Add(MediaTypeHeaderValue.Parse(JsonDefaults.CamelCaseMediaType));
+    }
+}
diff --git a/Jellyfin.Api/Formatters/CssOutputFormatter.cs b/Jellyfin.Api/Formatters/CssOutputFormatter.cs
new file mode 100644
index 000000000..0a3891138
--- /dev/null
+++ b/Jellyfin.Api/Formatters/CssOutputFormatter.cs
@@ -0,0 +1,35 @@
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc.Formatters;
+
+namespace Jellyfin.Api.Formatters;
+
+/// <summary>
+/// Css output formatter.
+/// </summary>
+public class CssOutputFormatter : TextOutputFormatter
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="CssOutputFormatter"/> class.
+    /// </summary>
+    public CssOutputFormatter()
+    {
+        SupportedMediaTypes.Add("text/css");
+
+        SupportedEncodings.Add(Encoding.UTF8);
+        SupportedEncodings.Add(Encoding.Unicode);
+    }
+
+    /// <summary>
+    /// Write context object to stream.
+    /// </summary>
+    /// <param name="context">Writer context.</param>
+    /// <param name="selectedEncoding">Unused. Writer encoding.</param>
+    /// <returns>Write stream task.</returns>
+    public override Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding)
+    {
+        var stringResponse = context.Object?.ToString();
+        return stringResponse is null ? Task.CompletedTask : context.HttpContext.Response.WriteAsync(stringResponse);
+    }
+}
diff --git a/Jellyfin.Api/Formatters/PascalCaseJsonProfileFormatter.cs b/Jellyfin.Api/Formatters/PascalCaseJsonProfileFormatter.cs
new file mode 100644
index 000000000..b5b575278
--- /dev/null
+++ b/Jellyfin.Api/Formatters/PascalCaseJsonProfileFormatter.cs
@@ -0,0 +1,23 @@
+using System.Net.Mime;
+using Jellyfin.Extensions.Json;
+using Microsoft.AspNetCore.Mvc.Formatters;
+using Microsoft.Net.Http.Headers;
+
+namespace Jellyfin.Api.Formatters;
+
+/// <summary>
+/// Pascal Case Json Profile Formatter.
+/// </summary>
+public class PascalCaseJsonProfileFormatter : SystemTextJsonOutputFormatter
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PascalCaseJsonProfileFormatter"/> class.
+    /// </summary>
+    public PascalCaseJsonProfileFormatter() : base(JsonDefaults.PascalCaseOptions)
+    {
+        SupportedMediaTypes.Clear();
+        // Add application/json for default formatter
+        SupportedMediaTypes.Add(MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json));
+        SupportedMediaTypes.Add(MediaTypeHeaderValue.Parse(JsonDefaults.PascalCaseMediaType));
+    }
+}
diff --git a/Jellyfin.Api/Formatters/XmlOutputFormatter.cs b/Jellyfin.Api/Formatters/XmlOutputFormatter.cs
new file mode 100644
index 000000000..d5dea0f09
--- /dev/null
+++ b/Jellyfin.Api/Formatters/XmlOutputFormatter.cs
@@ -0,0 +1,32 @@
+using System.Net.Mime;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc.Formatters;
+
+namespace Jellyfin.Api.Formatters;
+
+/// <summary>
+/// Xml output formatter.
+/// </summary>
+public class XmlOutputFormatter : TextOutputFormatter
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="XmlOutputFormatter"/> class.
+    /// </summary>
+    public XmlOutputFormatter()
+    {
+        SupportedMediaTypes.Clear();
+        SupportedMediaTypes.Add(MediaTypeNames.Text.Xml);
+
+        SupportedEncodings.Add(Encoding.UTF8);
+        SupportedEncodings.Add(Encoding.Unicode);
+    }
+
+    /// <inheritdoc />
+    public override Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding)
+    {
+        var stringResponse = context.Object?.ToString();
+        return stringResponse is null ? Task.CompletedTask : context.HttpContext.Response.WriteAsync(stringResponse);
+    }
+}