InversionOfControl/Castle.MicroKernel/SubSystems/Conversion/Converters/ListConverter.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.SubSystems.Conversion
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         using Castle.Core.Configuration;
  21
  22
  23         [Serializable]
  24         public class ListConverter : AbstractTypeConverter
  25         {
  26                 public ListConverter()
  27                 {
  28                 }
  29
  30                 public override bool CanHandleType(Type type)
  31                 {
  32                         return (type == typeof(IList) || type == typeof(ArrayList));
  33                 }
  34
  35                 public override object PerformConversion(String value, Type targetType)
  36                 {
  37                         throw new NotImplementedException();
  38                 }
  39
  40                 public override object PerformConversion(IConfiguration configuration, Type targetType)
  41                 {
  42                         System.Diagnostics.Debug.Assert( targetType == typeof(IList) || targetType == typeof(ArrayList) );
  43
  44                         ArrayList list = new ArrayList();
  45
  46                         String itemType = configuration.Attributes["type"];
  47                         Type convertTo = typeof(String);
  48
  49                         if (itemType != null)
  50                         {
  51                                 convertTo = (Type) Context.Composition.PerformConversion( itemType, typeof(Type) );
  52                         }
  53
  54                         foreach(IConfiguration itemConfig in configuration.Children)
  55                         {
  56                                 list.Add( Context.Composition.PerformConversion(itemConfig.Value, convertTo) );
  57                         }
  58
  59                         return list;
  60                 }
  61         }
  62 }