mono/mcs/class/System.ServiceModel.Web/System.ServiceModel.Configuration/EncodingConverter.cs

//
// EncodingConverter.cs
//
// Author:
//	Sander Rijken <[email protected]>
//
// Copyright (C) 2010 Sander Rijken <[email protected]>
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
namespace System.ServiceModel.Configuration
{
	internal class EncodingConverter : TypeConverter
	{
		public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
		{
			return sourceType == typeof(string) || base.CanConvertFrom (context, sourceType);
		}

		public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
		{
			if(!value is string)
				return base.ConvertFrom (context, culture, value);
				
			string source = (string) value;
			Encoding encoding = Encoding.GetEncoding (source);
			if (encoding == null)
				throw new ArgumentException ("Invalid encoding", "value");
			
			return encoding;
		}
	}
}