Tools/Castle.DynamicProxy2/Castle.DynamicProxy.Tests/Interceptors/KeepDataInterceptor.cs

   1 // Copyright 2004-2007 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.DynamicProxy.Tests.Interceptors
  16 {
  17         using System;
  18         using System.Reflection;
  19         using Castle.Core.Interceptor;
  20
  21         public class KeepDataInterceptor : IInterceptor
  22         {
  23                 private IInvocation invocation;
  24
  25                 public IInvocation Invocation
  26                 {
  27                         get { return invocation; }
  28                 }
  29
  30                 public void Intercept(IInvocation invocation)
  31                 {
  32                         this.invocation = invocation;
  33                         MethodInfo concreteMethod = invocation.GetConcreteMethod();
  34
  35                         if (!invocation.MethodInvocationTarget.IsAbstract)
  36                         {
  37                                 invocation.Proceed();
  38                         }
  39                         else if (concreteMethod.ReturnType.IsValueType && !concreteMethod.ReturnType.Equals(typeof(void)))
  40                                 // ensure valid return value
  41                         {
  42                                 invocation.ReturnValue = Activator.CreateInstance(concreteMethod.ReturnType);
  43                         }
  44                 }
  45         }
  46 }