Facilities/DynamicLoader/Castle.Facilities.DynamicLoader/DynamicLoaderInspector.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.Facilities.DynamicLoader
  16 {
  17         using System;
  18
  19         using Castle.Core;
  20         using Castle.MicroKernel;
  21         using Castle.MicroKernel.ModelBuilder;
  22
  23         /// <summary>
  24         /// Inspects component configuration nodes, looking for <c>domain</c>
  25         /// attributes. When found, register a custom activator: <see cref="DynamicLoaderActivator"/>.
  26         /// </summary>
  27         public class DynamicLoaderInspector : IContributeComponentModelConstruction
  28         {
  29                 private readonly DynamicLoaderRegistry registry;
  30
  31                 /// <summary>
  32                 /// Constructor.
  33                 /// </summary>
  34                 public DynamicLoaderInspector(DynamicLoaderRegistry registry)
  35                 {
  36                         this.registry = registry;
  37                 }
  38
  39                 /// <summary>
  40                 /// Performs the inspection on the model.
  41                 /// </summary>
  42                 public void ProcessModel(IKernel kernel, ComponentModel model)
  43                 {
  44                         if (model.Configuration == null)
  45                                 return;
  46
  47                         string domainId = model.Configuration.Attributes["domain"];
  48                         if (String.IsNullOrEmpty(domainId))
  49                                 return;
  50
  51                         model.ExtendedProperties.Add("dynamicLoader.loader", registry.GetLoader(domainId));
  52                         model.CustomComponentActivator = typeof(DynamicLoaderActivator);
  53                 }
  54         }
  55 }