Samples/PestControl/Castle.Applications.PestControl/Services/BuildSystems/BuildSystemManager.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.Applications.PestControl.Services.BuildSystems
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         using Castle.Core;
  21
  22         using Castle.MicroKernel;
  23
  24         /// <summary>
  25         /// Summary description for BuildSystemManager.
  26         /// </summary>
  27         public class BuildSystemManager : IInitializable, IDisposable
  28         {
  29                 private IKernel _kernel;
  30
  31                 public BuildSystemManager(IKernel kernel)
  32                 {
  33                         _kernel = kernel;
  34                 }
  35
  36                 public void Initialize()
  37                 {
  38                 }
  39
  40                 public void Dispose()
  41                 {
  42 //                      _kernel = null;
  43                 }
  44
  45                 /// <summary>
  46                 /// Queries the kernel for implementations of IBuildSystem.
  47                 /// This allow new build system to be registered even without
  48                 /// restarting the application. A more efficient approach however
  49                 /// is to issue this query only once, but then you lost the ability
  50                 /// to add/remove buildsystems at runtime
  51                 /// </summary>
  52                 /// <remarks>
  53                 /// This approach invokes Resolve on the handler,
  54                 /// but do not invoke the counter part release.
  55                 /// </remarks>
  56                 /// <returns></returns>
  57                 public virtual IBuildSystem[] AvailableBuildSystems()
  58                 {
  59                         ArrayList list = new ArrayList();
  60
  61                         IHandler[] handlers = _kernel.GetHandlers( typeof(IBuildSystem) );
  62
  63                         foreach(IHandler handler in handlers)
  64                         {
  65                                 if (handler.CurrentState == HandlerState.Valid)
  66                                 {
  67                                         list.Add( handler.Resolve(CreationContext.Empty) );
  68                                 }
  69                         }
  70
  71                         return (IBuildSystem[]) list.ToArray( typeof(IBuildSystem) );
  72                 }
  73         }
  74 }