//http://validationframework.codeplex.com/
//License: Microsoft Permissive License (Ms-PL) v1.1
using System;
using System.Xml;
namespace ValidationFramework.Extensions
{
public static class XmlElementExtensions
{
///
/// Attempts to get and convert an attribute from a . If the item does not exist or can't be converted a is returned.
///
/// The to try to convert to.
/// The to extract the attribute value from.
/// The key to use or the extraction
/// The default value if is not found.
/// The value from if exists; otherwise .
internal static T GetAttribute(this XmlElement element, string key, T defaultValue)
{
if (!element.HasAttribute(key))
return defaultValue;
var stringValue = element.GetAttribute(key);
var converter = System.ComponentModel.TypeDescriptor.GetConverter(typeof(T));
if (!converter.CanConvertFrom(typeof(string)))
return defaultValue;
return (T)converter.ConvertFromString(stringValue);
}
}
}