mcs/class/System.Web/System.Web.Configuration_2.0/LowerCaseStringConverter.cs

   1 //
   2 // System.Web.Configuration.LowerCaseStringConverter
   3 //
   4 // Authors:
   5 //      Chris Toshok (toshok@ximian.com)
   6 //
   7 // (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.ComponentModel;
  32 using System.Globalization;
  33
  34 #if NET_2_0
  35
  36 namespace System.Web.Configuration {
  37
  38         public sealed class LowerCaseStringConverter : TypeConverter
  39         {
  40                 public override bool CanConvertFrom (ITypeDescriptorContext ctx, Type type)
  41                 {
  42                         return (type == typeof (string));
  43                 }
  44
  45                 public override bool CanConvertTo (ITypeDescriptorContext ctx, Type type)
  46                 {
  47                         return (type == typeof (string));
  48                 }
  49
  50                 public override object ConvertFrom (ITypeDescriptorContext ctx, CultureInfo ci, object data)
  51                 {
  52                         return ((string)data).ToLowerInvariant ();
  53                 }
  54
  55                 public override object ConvertTo (ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
  56                 {
  57                         if (value == null)
  58                                 return "";
  59
  60                         if (! (value is string))
  61                                 throw new ArgumentException ("value");
  62
  63                         return ((string)value).ToLowerInvariant ();
  64                 }
  65         }
  66 }
  67
  68 #endif