Sicherung

Config.Net/Stores/AppConfigStore.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Specialized;
+using System.Configuration;
+
+namespace Config.Net.Stores
+{
+   /// <summary>
+   /// Standard app.config (web.config) configuration store. Read-only.
+   /// </summary>
+   class AppConfigStore : IConfigStore
+   {
+      public string Name => "App.config";
+
+      public bool CanRead => true;
+
+      public bool CanWrite => false;
+
+      public string? Read(string key)
+      {
+         if(key == null) return null;
+
+         //first, look at appsettings and connection strings
+         string? value = ConfigurationManager.AppSettings[key] ?? ConfigurationManager.ConnectionStrings[key]?.ConnectionString;
+
+         if(value == null)
+         {
+            int idx = key.IndexOf('.');
+            if(idx != -1)
+            {
+               string sectionName = key.Substring(0, idx);
+               if(ConfigurationManager.GetSection(sectionName) is NameValueCollection nvsc)
+               {
+                  string keyName = key.Substring(idx + 1);
+                  value = nvsc[keyName];
+               }
+            }
+         }
+
+         return value;
+      }
+
+      public void Write(string key, string? value) => throw new NotSupportedException();
+
+      public void Dispose()
+      {
+      }
+   }
+}