InversionOfControl/Castle.MicroKernel/Proxy/ProxyUtil.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.MicroKernel.Proxy
  16 {
  17         using System.Runtime.Remoting;
  18         using Castle.Core;
  19         using Castle.Core.Interceptor;
  20
  21         /// <summary>
  22         /// Helper support for proxy configuration.
  23         /// </summary>
  24         public abstract class ProxyUtil
  25         {
  26                 /// <summary>
  27                 /// Obtains the <see cref="ProxyOptions"/> associated with the <see cref="ComponentModel"/>.
  28                 /// </summary>
  29                 /// <param name="model">The component model.</param>
  30                 /// <param name="createOnDemand">true if the options should be created if not present.</param>
  31                 /// <returns>The associated proxy options for the component model.</returns>
  32                 public static ProxyOptions ObtainProxyOptions(ComponentModel model, bool createOnDemand)
  33                 {
  34                         ProxyOptions options = model.ExtendedProperties[ProxyConstants.ProxyOptionsKey] as ProxyOptions;
  35
  36                         if (options == null && createOnDemand)
  37                         {
  38                                 options = new ProxyOptions();
  39                                 model.ExtendedProperties[ProxyConstants.ProxyOptionsKey] = options;
  40                         }
  41
  42                         return options;
  43                 }
  44
  45                 public static object GetUnproxiedInstance(object instance)
  46                 {
  47                         if (!RemotingServices.IsTransparentProxy(instance))
  48                         {
  49                                 IProxyTargetAccessor accessor = instance as IProxyTargetAccessor;
  50
  51                                 if (accessor != null)
  52                                 {
  53                                         instance = accessor.DynProxyGetTarget();
  54                                 }
  55                         }
  56
  57                         return instance;
  58                 }
  59         }
  60 }