Add some analyzers to MediaBrowser.MediaEncoding

MediaBrowser.MediaEncoding/Configuration/EncodingConfigurationStore.cs

@@ -0,0 +1,38 @@
+#pragma warning disable CS1591
+
+using System;
+using System.Globalization;
+using System.IO;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Configuration;
+
+namespace MediaBrowser.MediaEncoding.Configuration
+{
+    public class EncodingConfigurationStore : ConfigurationStore, IValidatingConfiguration
+    {
+        public EncodingConfigurationStore()
+        {
+            ConfigurationType = typeof(EncodingOptions);
+            Key = "encoding";
+        }
+
+        public void Validate(object oldConfig, object newConfig)
+        {
+            var newPath = ((EncodingOptions)newConfig).TranscodingTempPath;
+
+            if (!string.IsNullOrWhiteSpace(newPath)
+                && !string.Equals(((EncodingOptions)oldConfig).TranscodingTempPath, newPath, StringComparison.Ordinal))
+            {
+                // Validate
+                if (!Directory.Exists(newPath))
+                {
+                    throw new DirectoryNotFoundException(
+                        string.Format(
+                            CultureInfo.InvariantCulture,
+                            "{0} does not exist.",
+                            newPath));
+                }
+            }
+        }
+    }
+}