Facilities/Wcf/Castle.Facilities.WcfIntegration/Client/DefaulttChannelBuilder.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 System.Reflection;
  19         using System.ServiceModel;
  20         using System.ServiceModel.Channels;
  21         using System.ServiceModel.Description;
  22         using Castle.MicroKernel;
  23
  24         /// <summary>
  25         /// The default implementation of <see cref="IClientChannelBuilder{M}"/>.
  26         /// </summary>
  27         public class DefaultChannelBuilder : AbstractChannelBuilder<WcfClientModel>
  28         {
  29                 private readonly IKernel kernel;
  30
  31                 public DefaultChannelBuilder(IKernel kernel)
  32                 {
  33                         this.kernel = kernel;
  34                 }
  35
  36                 protected override ChannelCreator GetChannelCreator(WcfClientModel clientModel, Type contract,
  37                                                                         ServiceEndpoint endpoint)
  38                 {
  39                         return CreateChannelCreator(contract, endpoint);
  40                 }
  41
  42                 protected override ChannelCreator GetChannelCreator(WcfClientModel clientMode, Type contract,
  43                                                                         string configurationName)
  44                 {
  45                         return CreateChannelCreator(contract, configurationName);
  46                 }
  47
  48                 protected override ChannelCreator GetChannelCreator(WcfClientModel clientModel, Type contract,
  49                                                                         Binding binding, string address)
  50                 {
  51                         return CreateChannelCreator(contract, binding, address);
  52                 }
  53
  54                 protected override ChannelCreator GetChannelCreator(WcfClientModel clientModel, Type contract,
  55                                                                         Binding binding, EndpointAddress address)
  56                 {
  57                         return CreateChannelCreator(contract, binding, address);
  58                 }
  59
  60                 private ChannelCreator CreateChannelCreator(Type contract, params object[] channelFactoryArgs)
  61                 {
  62                         Type type = typeof(ChannelFactory<>).MakeGenericType(new Type[] { contract });
  63
  64                         ChannelFactory channelFactory = (ChannelFactory)
  65                                 Activator.CreateInstance(type, channelFactoryArgs);
  66                         channelFactory.Opening += ChannelFactory_Opening;
  67
  68                         MethodInfo methodInfo = type.GetMethod("CreateChannel", new Type[0]);
  69                         return (ChannelCreator)Delegate.CreateDelegate(
  70                                 typeof(ChannelCreator), channelFactory, methodInfo);
  71                 }
  72
  73                 private void ChannelFactory_Opening(object sender, EventArgs e)
  74                 {
  75                         ChannelFactory channelFactory = (ChannelFactory)sender;
  76                         ServiceEndpoint endpoint = channelFactory.Endpoint;
  77
  78                         IHandler[] endPointBehaviors = kernel.GetAssignableHandlers(typeof(IEndpointBehavior));
  79                         foreach (IHandler handler in endPointBehaviors)
  80                         {
  81                                 endpoint.Behaviors.Add((IEndpointBehavior)handler.Resolve(CreationContext.Empty));
  82                         }
  83
  84                         IHandler[] operationBehaviors = kernel.GetAssignableHandlers(typeof(IOperationBehavior));
  85                         foreach (OperationDescription operation in endpoint.Contract.Operations)
  86                         {
  87                                 foreach (IHandler operationHandler in operationBehaviors)
  88                                 {
  89                                         operation.Behaviors.Add((IOperationBehavior)
  90                                                 operationHandler.Resolve(CreationContext.Empty));
  91                                 }
  92                         }
  93                 }
  94         }
  95 }