upgraded to autofac 3. created nancy only mode for nzbdrone.exe /n

Autofac.Integration.Mvc/ExtensibleActionInvoker.cs

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+// This software is part of the Autofac IoC container
+// Copyright © 2011 Autofac Contributors
+// http://autofac.org
+//
+// Permission is hereby granted, free of charge, to any person
+// obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without
+// restriction, including without limitation the rights to use,
+// copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.Web.Mvc;
+
+namespace Autofac.Integration.Mvc
+{
+    /// <summary>
+    /// Injects services from the container into the ASP.NET MVC invocation pipeline.
+    /// This is a Async Controller Action Invoker which can be used for both async and non-async scenarios
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// Action methods can include parameters that will be resolved from the
+    /// container, along with regular parameters.
+    /// </para>
+    /// </remarks>
+    public class ExtensibleActionInvoker : System.Web.Mvc.Async.AsyncControllerActionInvoker
+    {
+        /// <summary>
+        /// Gets the parameter value.
+        /// </summary>
+        /// <param name="controllerContext">The controller context.</param><param name="parameterDescriptor">The parameter descriptor.</param>
+        /// <returns>
+        /// The parameter value.
+        /// </returns>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown if <paramref name="parameterDescriptor" /> is <see langword="null" />.
+        /// </exception>
+        protected override object GetParameterValue(ControllerContext controllerContext, ParameterDescriptor parameterDescriptor)
+        {
+            if (parameterDescriptor == null)
+            {
+                throw new ArgumentNullException("parameterDescriptor");
+            }
+
+            // Only resolve parameter values if injection is enabled.
+            var context = AutofacDependencyResolver.Current.RequestLifetimeScope;
+            var value = context.ResolveOptional(parameterDescriptor.ParameterType);
+
+            if (value == null)
+            {
+                // Issue #368
+                // If injection is enabled and the value can't be resolved, fall back to
+                // the default behavior. Or if injection isn't enabled, fall back.
+                // Unfortunately we can't do much to pre-determine if model binding will succeed
+                // because model binding "knows" about a lot of stuff like arrays, certain generic
+                // collection types, type converters, and other stuff that may or may not fail.
+                try
+                {
+                    value = base.GetParameterValue(controllerContext, parameterDescriptor);
+                }
+                catch (MissingMethodException)
+                {
+                    // Don't do anything - this means the default model binder couldn't
+                    // activate a new instance or figure out some other way to model
+                    // bind it.
+                }
+            }
+
+            return value;
+        }
+    }
+}