1 files changed, 21 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Web/Clients/AuthenticationClientCollection.cs b/src/DotNetOpenAuth.Web/Clients/AuthenticationClientCollection.cs
new file mode 100644
index 0000000..8f730e1
--- /dev/null
+++ b/src/DotNetOpenAuth.Web/Clients/AuthenticationClientCollection.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.ObjectModel;
+
+namespace DotNetOpenAuth.Web.Clients
+{
+    /// <summary>
+    /// A collection to store instances of IAuthenticationClient by keying off ProviderName.
+    /// </summary>
+    internal sealed class AuthenticationClientCollection : KeyedCollection<string, IAuthenticationClient>
+    {
+        public AuthenticationClientCollection()
+            : base(StringComparer.OrdinalIgnoreCase)
+        {
+        }
+
+        protected override string GetKeyForItem(IAuthenticationClient item)
+        {
+            return item.ProviderName;
+        }
+    }
+}