//----------------------------------------------------------------
// <copyright company="Microsoft Corporation">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//----------------------------------------------------------------
 
namespace System.Activities.Core.Presentation
{
    using System;
    using System.Diagnostics.CodeAnalysis;
    using System.Globalization;
    using System.Windows.Data;
 
    [SuppressMessage("Microsoft.Performance", "CA1812:AvoidUninstantiatedInternalClasses", Justification = "Used in XAML")]
    internal sealed class DisplayNameConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            string name = value as string;
            if (name == null)
            {
                return SR.NullName;
            }
            else if (name == string.Empty)
            {
                return SR.EmptyName;
            }
 
            return name;
        }
 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw FxTrace.Exception.AsError(new NotImplementedException());
        }
    }
}