MonoRail/Castle.MonoRail.WindsorExtension/WindsorContainerAccessorUtil.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.MonoRail.WindsorExtension
  16 {
  17         using System.Web;
  18         using Castle.Windsor;
  19         using Castle.MonoRail.Framework;
  20
  21         public static class WindsorContainerAccessorUtil
  22         {
  23                 public static IWindsorContainer ObtainContainer()
  24                 {
  25                         IContainerAccessor containerAccessor =
  26                                 HttpContext.Current.ApplicationInstance as IContainerAccessor;
  27
  28                         if (containerAccessor == null)
  29                         {
  30                                 throw new MonoRailException("You must extend the HttpApplication in your web project " +
  31                                         "and implement the IContainerAccessor to properly expose your container instance");
  32                         }
  33
  34                         IWindsorContainer container = containerAccessor.Container;
  35
  36                         if (container == null)
  37                         {
  38                                 throw new MonoRailException("The container seems to be unavailable in " +
  39                                         "your HttpApplication subclass");
  40                         }
  41
  42                         return container;
  43                 }
  44         }
  45 }