linux-packaging-mono/mcs/class/referencesource/System.ServiceModel.Discovery/System/ServiceModel/Discovery/Configuration/DiscoveryVersionConverter.cs

//----------------------------------------------------------------
// Copyright (c) Microsoft Corporation.  All rights reserved.
//----------------------------------------------------------------

namespace System.ServiceModel.Discovery.Configuration
{
    using System.ComponentModel;
    using System.ComponentModel.Design.Serialization;
    using System.Globalization;

    public class DiscoveryVersionConverter : TypeConverter
    {
        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
        {
            if (typeof(string) == sourceType)
            {
                return true;
            }

            return base.CanConvertFrom(context, sourceType);
        }

        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        {
            if (typeof(InstanceDescriptor) == destinationType)
            {
                return true;
            }

            return base.CanConvertTo(context, destinationType);
        }

        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        {
            if (value is string)
            {
                return DiscoveryVersion.FromName((string)value);
            }
            else
            {
                return base.ConvertFrom(context, culture, value);
            }
        }

        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
        {
            if (typeof(string) == destinationType && value is DiscoveryVersion)
            {
                return ((DiscoveryVersion)value).Name;
            }
            else
            {
                return base.ConvertTo(context, culture, value, destinationType);
            }
        }
    }
}