2 // Permission is hereby granted, free of charge, to any person obtaining
3 // a copy of this software and associated documentation files (the
4 // "Software"), to deal in the Software without restriction, including
5 // without limitation the rights to use, copy, modify, merge, publish,
6 // distribute, sublicense, and/or sell copies of the Software, and to
7 // permit persons to whom the Software is furnished to do so, subject to
8 // the following conditions:
10 // The above copyright notice and this permission notice shall be
11 // included in all copies or substantial portions of the Software.
13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
15 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
17 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
18 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
19 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 // System.Web.UI.PropertyConverter.cs
25 // Jackson Harper (jackson@ximian.com)
27 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
29 using System.Reflection;
30 using System.ComponentModel;
31 using System.Security.Permissions;
33 namespace System.Web.UI {
35 // CAS - no InheritanceDemand here as the class is sealed
36 [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
38 public static class PropertyConverter {
40 public sealed class PropertyConverter {
42 private PropertyConverter ()
44 // no instantiation for you
47 public static object EnumFromString (Type enumType, string value)
52 res = Enum.Parse (enumType, value, true);
59 public static string EnumToString (Type enumType, object enumValue)
61 return Enum.Format (enumType, enumValue, "G");
64 public static object ObjectFromString (Type objType,
65 MemberInfo propertyInfo, string value)
67 if (objType == typeof (string))
70 // Is there a less kludgy way to get the converter?
71 PropertyDescriptorCollection col = TypeDescriptor.GetProperties (
72 propertyInfo.ReflectedType);
73 PropertyDescriptor pd = col.Find (propertyInfo.Name, false);
74 if (pd.Converter == null || !pd.Converter.CanConvertFrom (typeof (string))) {
75 throw new HttpException (Locale.GetText ("Cannot create an object " +
76 "of type '{0}' from its string representation '{1}' for the " +
77 "'{2}' property", objType, value, propertyInfo.Name));
79 return pd.Converter.ConvertFromInvariantString (value);