simplyfied exception handler

Author: FabianGosebrink

SampleWebApiAspNetCore/Helpers/ExceptionExtension.cs

@@ -0,0 +1,32 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Diagnostics;
+using Microsoft.Extensions.Logging;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Hosting;
+
+namespace SampleWebApiAspNetCore.Helpers
+{
+    public static class ExceptionExtension
+    {
+        public static void AddProductionExceptionHandling(this IApplicationBuilder app, ILoggerFactory loggerFactory)
+        {
+            app.UseExceptionHandler(errorApp =>
+            {
+                errorApp.Run(async context =>
+                {
+                    context.Response.StatusCode = 500;
+                    context.Response.ContentType = "text/plain";
+                    var errorFeature = context.Features.Get<IExceptionHandlerFeature>();
+                    if (errorFeature != null)
+                    {
+                        var logger = loggerFactory.CreateLogger("Global exception logger");
+                        logger.LogError(500, errorFeature.Error, errorFeature.Error.Message);
+                    }
+
+                    await context.Response.WriteAsync("There was an error");
+                });
+            });
+        }
+    }
+}

SampleWebApiAspNetCore/Startup.cs

@@ -15,6 +15,7 @@
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using Newtonsoft.Json.Serialization;
+using SampleWebApiAspNetCore.Helpers;
 using SampleWebApiAspNetCore.MappingProfiles;
 using SampleWebApiAspNetCore.Repositories;
 using SampleWebApiAspNetCore.Services;
@@ -102,22 +103,7 @@ public void Configure(
             else
             {
                 app.UseHsts();
-                app.UseExceptionHandler(errorApp =>
-                {
-                    errorApp.Run(async context =>
-                    {
-                        context.Response.StatusCode = 500;
-                        context.Response.ContentType = "text/plain";
-                        var errorFeature = context.Features.Get<IExceptionHandlerFeature>();
-                        if (errorFeature != null)
-                        {
-                            var logger = loggerFactory.CreateLogger("Global exception logger");
-                            logger.LogError(500, errorFeature.Error, errorFeature.Error.Message);
-                        }
-
-                        await context.Response.WriteAsync("There was an error");
-                    });
-                });
+                app.AddProductionExceptionHandling(loggerFactory);
             }
 
             app.UseHttpsRedirection();