private static XmlQualifiedName ValueAsQName(XmlAttribute attribute)
{
if (attribute == null)
{
return(null);
}
// split QName into prefix and local name
string[] pieces = attribute.Value.Split(':');
if (pieces.Length < 2)
{
// unprefixed name
pieces = new string[] { string.Empty, pieces[0] };
}
else if (pieces.Length > 2)
{
// actually, this is not a valid QName - be lenient
pieces = new string[] {
pieces[0],
attribute.Value.Substring(pieces[0].Length + 1)
};
}
return(new XmlQualifiedName(pieces[1] ?? string.Empty,
attribute
.GetNamespaceOfPrefix(pieces[0])));
}
public static StatusCode Parse(XmlElement statusCode)
{
XmlNamespaceManager nsmngr = new XmlNamespaceManager(statusCode.OwnerDocument.NameTable);
nsmngr.AddNamespace("samlp", samlp);
XmlAttribute statusCodeValue = statusCode.Attributes["Value"];
if (statusCodeValue == null)
{
throw new SamlException("sampl:StatusCode does not contain a Value attribute");
}
String[] parts = statusCodeValue.Value.Split(':');
String codeValueNs;
String codeValueLocal;
switch (parts.Length)
{
case 1:
codeValueNs = statusCodeValue.GetNamespaceOfPrefix("");
codeValueLocal = parts[0];
break;
case 2:
codeValueNs = statusCodeValue.GetNamespaceOfPrefix(parts[0]);
codeValueLocal = parts[1];
break;
default:
throw new SamlException(String.Format("Illegal sampl:StatusCode/@Value content: {0}", statusCodeValue.Value));
}
StatusCode subStatus = null;
XmlElement subStatusCode = (XmlElement)statusCode.SelectSingleNode("samlp:StatusCode", nsmngr);
if (subStatusCode != null)
{
subStatus = Parse(subStatusCode);
}
return(new StatusCode(codeValueLocal, codeValueNs, subStatus));
}
