Components/DictionaryAdapter/Castle.Components.DictionaryAdapter/Attributes/DictionaryKeySubstitutionAttribute.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.Components.DictionaryAdapter
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         /// <summary>
  21         /// Substitutes part of key with another string.
  22         /// </summary>
  23         [AttributeUsage(AttributeTargets.Interface | AttributeTargets.Property, AllowMultiple = true, Inherited = true)]
  24         public class DictionaryKeySubstitutionAttribute : DictionaryBehaviorAttribute, IDictionaryKeyBuilder
  25         {
  26                 private readonly String oldValue;
  27                 private readonly String newValue;
  28
  29                 /// <summary>
  30                 /// Initializes a new instance of the <see cref="DictionaryKeySubstitutionAttribute"/> class.
  31                 /// </summary>
  32                 /// <param name="oldValue">The old value.</param>
  33                 /// <param name="newValue">The new value.</param>
  34                 public DictionaryKeySubstitutionAttribute(String oldValue, String newValue)
  35                 {
  36                         this.oldValue = oldValue;
  37                         this.newValue = newValue;
  38                 }
  39
  40                 String IDictionaryKeyBuilder.GetKey(IDictionary dictionary, String key,
  41                                                    PropertyDescriptor property)
  42                 {
  43                         return key.Replace(oldValue, newValue);
  44                 }
  45         }
  46 }