MonoRail/Castle.MonoRail.Framework/Attributes/DynamicActionProviderAttribute.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.MonoRail.Framework
  16 {
  17         using System;
  18
  19         /// <summary>
  20         /// Associates a provider that can add dynamic actions
  21         /// to a controller
  22         /// </summary>
  23         [AttributeUsage(AttributeTargets.Class, AllowMultiple=true), Serializable]
  24         public class DynamicActionProviderAttribute : Attribute
  25         {
  26                 private readonly Type providerType;
  27
  28                 /// <summary>
  29                 /// Constructs a <see cref="DynamicActionProviderAttribute"/>
  30                 /// associating the supplied type as the action provider.
  31                 /// </summary>
  32                 /// <param name="providerType"></param>
  33                 public DynamicActionProviderAttribute( Type providerType )
  34                 {
  35                         if (!typeof(IDynamicActionProvider).IsAssignableFrom( providerType ))
  36                         {
  37                                 throw new ArgumentException( "The specified provider does not implement IDynamicActionProvider" );
  38                         }
  39
  40                         this.providerType = providerType;
  41                 }
  42
  43                 /// <summary>
  44                 /// Gets the provider type
  45                 /// </summary>
  46                 public Type ProviderType
  47                 {
  48                         get { return providerType; }
  49                 }
  50         }
  51 }