class/System.Web.Services/System.Web.Services.Configuration/TypeTypeConverter.cs

   1 //
   2 // TypeTypeConverter.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto (atsushi@ximian.com)
   6 //
   7 // (C) 2007 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;
  32 using System.Configuration;
  33 using System.ComponentModel;
  34 using System.Globalization;
  35 using System.Security.Permissions;
  36
  37 #if NET_2_0
  38
  39 namespace System.Web.Services.Configuration
  40 {
  41         internal class TypeTypeConverter : TypeConverter
  42         {
  43                 public override bool CanConvertFrom (ITypeDescriptorContext context, Type type)
  44                 {
  45                         return type == typeof (Type) || type == typeof (string);
  46                 }
  47
  48                 public override bool CanConvertTo (ITypeDescriptorContext context, Type type)
  49                 {
  50                         return type == typeof (Type) || type == typeof (string);
  51                 }
  52
  53                 public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
  54                 {
  55                         if (value == null)
  56                                 throw new ArgumentNullException ("value");
  57                         if (value is Type)
  58                                 return (Type) value;
  59                         else if (value is string)
  60                                 return Type.GetType ((string) value);
  61                         else
  62                                 throw new ArgumentException (String.Format ("Incompatible input value type: {0}", value.GetType ()));
  63                 }
  64
  65                 public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
  66                 {
  67                         if (value == null)
  68                                 throw new ArgumentNullException ("value");
  69                         if (destinationType == null)
  70                                 throw new ArgumentNullException ("destinationType");
  71                         if (destinationType == typeof (Type))
  72                                 return (Type) value;
  73                         if (destinationType == typeof (string))
  74                                 return ((Type) value).AssemblyQualifiedName;
  75                         else
  76                                 throw new ArgumentException (String.Format ("Incompatible input destination type: {0}", destinationType));
  77                 }
  78         }
  79 }
  80
  81 #endif
  82