Facilities/Wcf/Castle.Facilities.WcfIntegration/Client/WcfClientActivator.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.WcfIntegration
  16 {
  17         using System;
  18         using Castle.Core;
  19         using Castle.MicroKernel;
  20         using Castle.MicroKernel.ComponentActivator;
  21
  22         public class WcfClientActivator : DefaultComponentActivator
  23         {
  24                 private readonly ChannelCreator createChannel;
  25
  26                 public WcfClientActivator(ComponentModel model, IKernel kernel,
  27                         ComponentInstanceDelegate onCreation, ComponentInstanceDelegate onDestruction)
  28                         : base(model, kernel, onCreation, onDestruction)
  29                 {
  30                         createChannel = CreateChannelCreator(kernel, model);
  31                 }
  32
  33                 protected override object InternalCreate(CreationContext context)
  34                 {
  35                         object instance = Instantiate(context);
  36
  37                         ApplyCommissionConcerns(instance);
  38
  39                         return instance;
  40                 }
  41
  42                 protected override object Instantiate(CreationContext context)
  43                 {
  44                         object instance = createChannel();
  45
  46                         try
  47                         {
  48                                 instance = Kernel.ProxyFactory.Create(Kernel, instance, Model);
  49                         }
  50                         catch (Exception ex)
  51                         {
  52                                 throw new ComponentActivatorException("WcfClientActivator: could not proxy service " +
  53                                         Model.Service.FullName, ex);
  54                         }
  55
  56                         return instance;
  57                 }
  58
  59                 private ChannelCreator CreateChannelCreator(IKernel kernel, ComponentModel model)
  60                 {
  61                         WcfClientModel clientModel = (WcfClientModel)
  62                                 model.ExtendedProperties[WcfConstants.ClientModelKey];
  63
  64                         IClientChannelBuilder channelBuilder = kernel.Resolve<IClientChannelBuilder>();
  65                         ChannelCreator creator = channelBuilder.GetChannelCreator(clientModel.Endpoint, model.Service);
  66                         model.ExtendedProperties[WcfConstants.ChannelCreatorKey] = creator;
  67                         return creator;
  68                 }
  69         }
  70 }