/// <summary>
/// Gets the value of the XAttribute as double.
/// </summary>
/// <param name="attribute">The XAttribute.</param>
/// <returns>The XAttribute value as double or null.</returns>
public static double?GetValueAsDouble(this XAttribute attribute)
{
double result;
if (attribute != null && double.TryParse(attribute.GetValue(), out result))
{
return(result);
}
return(null);
}
/// <summary>
/// Gets the value of the XAttribute as Guid.
/// </summary>
/// <param name="attribute">The XAttribute.</param>
/// <returns>The XAttribute value as Guid or a emtpy Guid.</returns>
public static Guid GetValueAsGuid(this XAttribute attribute)
{
try
{
return(new Guid(attribute.GetValue()));
}
catch
{
return(Guid.Empty);
}
}
/// <summary>
/// Gets the value of the XAttribute as double.
/// </summary>
/// <param name="attribute">The XAttribute.</param>
/// <returns>The XAttribute value as double or null.</returns>
public static double?GetValueAsDouble(this XAttribute attribute)
{
double result;
if (attribute != null && double.TryParse(attribute.GetValue(), System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out result))
{
return(result);
}
return(null);
}
/// <summary>
/// Gets the value of the XAttribute as long.
/// </summary>
/// <param name="attribute">The XAttribute.</param>
/// <returns>The XAttribute value as long or null.</returns>
public static long?GetValueAsLong(this XAttribute attribute)
{
long result;
if (attribute != null && long.TryParse(attribute.GetValue(), out result))
{
return(result);
}
return(null);
}
/// <summary>
/// Gets the value of the XElement as Uri.
/// </summary>
/// <param name="attribute">The XElement.</param>
/// <param name="uriKind">The UriKind used to try to create the Uri.</param>
/// <returns>The XElement value as Uri or null.</returns>
public static Uri GetValueAsUri(this XAttribute attribute, UriKind uriKind)
{
Uri uri;
if (attribute != null && Uri.TryCreate(attribute.GetValue(), uriKind, out uri))
{
return(uri);
}
return(null);
}
/// <summary>
/// Gets the value of the XElement as int.
/// </summary>
/// <param name="attribute">The XElement.</param>
/// <returns>The XElement value as int or null.</returns>
public static bool?GetValueAsBoolean(this XAttribute attribute)
{
bool result;
if (attribute != null && bool.TryParse(attribute.GetValue(), out result))
{
return(result);
}
return(null);
}
/// <summary>
/// Gets the value of the XElement as int.
/// </summary>
/// <param name="attribute">The XElement.</param>
/// <returns>The XElement value as int or null.</returns>
public static int?GetValueAsInt(this XAttribute attribute)
{
int result;
if (attribute != null && int.TryParse(attribute.GetValue(), out result))
{
return(result);
}
return(null);
}
public static string GetValue(this XAttribute element)
{
return(element.GetValue(string.Empty));
}
public static Uri GetValueAsUri(this XAttribute attribute)
{
Uri result;
return((Uri.TryCreate(attribute.GetValue(), UriKind.RelativeOrAbsolute, out result)) ? result : null);
}
public static TimeSpan?GetValueAsTimeSpan(this XAttribute attribute)
{
TimeSpan result;
return((TimeSpan.TryParse(attribute.GetValue(), out result)) ? result : (TimeSpan?)null);
}
public static string GetValue(this XAttribute attribute, string defaultValue)
{
string value = attribute.GetValue();
return(value ?? defaultValue);
}