Catel - Part 4 of n: Unit testing with Catel

// --------------------------------------------------------------------------------------------------------------------
// <copyright file="DataFormats.cs" company="Catel development team">
//   Copyright (c) 2008 - 2011 Catel development team. All rights reserved.
// </copyright>
// <summary>
//   DataFormats helper class.
// </summary>
// --------------------------------------------------------------------------------------------------------------------

namespace Catel.Windows.Documents
{
    /// <summary>
    /// DataFormats helper class.
    /// </summary>
    public static class DataFormats
    {
        /// <summary>
        /// Returns the DataFormat string of the text.
        /// </summary>
        /// <param name="text">Text to check.</param>
        /// <returns>Value from the <see cref="DataFormats"/> enumeration.</returns>
        public static string GetDataFormat(this string text)
        {
            if (string.IsNullOrEmpty(text))
            {
                return System.Windows.DataFormats.Text;
            }

            if (text.StartsWith(@"{\rtf"))
            {
                return System.Windows.DataFormats.Rtf;
            }

			if (text.StartsWith(@"<Section"))
			{
			    return System.Windows.DataFormats.Xaml;
			}

            return System.Windows.DataFormats.Text;
        }
    }
}