public static string ReadStringAttribute(this XElement element, string attributeName, AttributeReadType readType = AttributeReadType.Mandatory)
{
if (element == null)
{
if (readType == AttributeReadType.Mandatory)
{
throw new ArgumentNullException("element");
}
return string.Empty;
}
var attribute = element.Attribute(attributeName);
if (attribute == null)
{
if (readType == AttributeReadType.Mandatory)
{
throw new NullReferenceException(string.Format("Attribute {0} is null.", attributeName));
}
return string.Empty;
}
return attribute.Value;
}
public static bool? ReadBooleanAttribute(this XElement element, string attributeName, AttributeReadType readType = AttributeReadType.Mandatory)
{
var stringVal = element.ReadStringAttribute(attributeName, readType);
if (string.IsNullOrEmpty(stringVal) && readType == AttributeReadType.Optional)
{
return null;
}
return Convert.ToBoolean(stringVal);
}
public static List<string> ReadStringListAttribute(this XElement element, string attributeName, AttributeReadType readType = AttributeReadType.Mandatory)
{
var stringVal = element.ReadStringAttribute(attributeName, readType);
if (string.IsNullOrEmpty(stringVal) && readType == AttributeReadType.Optional)
{
return null;
}
var result = stringVal.Split(',').Select(r => r.Trim()).Distinct().ToList();
return result;
}
public static List <string> ReadStringListAttribute(this XElement element, string attributeName, AttributeReadType readType = AttributeReadType.Mandatory)
{
var stringVal = element.ReadStringAttribute(attributeName, readType);
if (string.IsNullOrEmpty(stringVal) && readType == AttributeReadType.Optional)
{
return(null);
}
var result = stringVal.Split(',').Select(r => r.Trim()).Distinct().ToList();
return(result);
}
public static bool?ReadBooleanAttribute(this XElement element, string attributeName, AttributeReadType readType = AttributeReadType.Mandatory)
{
var stringVal = element.ReadStringAttribute(attributeName, readType);
if (string.IsNullOrEmpty(stringVal) && readType == AttributeReadType.Optional)
{
return(null);
}
return(Convert.ToBoolean(stringVal));
}
public static string ReadStringAttribute(this XElement element, string attributeName, AttributeReadType readType = AttributeReadType.Mandatory)
{
if (element == null)
{
if (readType == AttributeReadType.Mandatory)
{
throw new ArgumentNullException("element");
}
return(string.Empty);
}
var attribute = element.Attribute(attributeName);
if (attribute == null)
{
if (readType == AttributeReadType.Mandatory)
{
throw new NullReferenceException(string.Format("Attribute {0} is null.", attributeName));
}
return(string.Empty);
}
return(attribute.Value);
}