public virtual void FromXml(SecurityElement et)
{
if (et == null)
{
throw new ArgumentNullException("et");
}
if (et.Tag != tagName)
{
string msg = String.Format("Invalid tag {0} expected {1}", et.Tag, tagName);
throw new ArgumentException(msg, "et");
}
list.Clear();
if (CodeAccessPermission.IsUnrestricted(et))
{
state = PermissionState.Unrestricted;
#if NET_2_0
// no need to continue for an unrestricted permission
// because identity permissions now "supports" unrestricted
return;
#endif
}
else
{
state = PermissionState.None;
}
if (et.Children != null)
{
foreach (SecurityElement se in et.Children)
{
string className = se.Attribute("class");
if (className == null)
{
throw new ArgumentException(Locale.GetText(
"No permission class is specified."));
}
if (Resolver != null)
{
#if !DISABLE_SECURITY
// policy class names do not have to be fully qualified
className = Resolver.ResolveClassName(className);
#else
className = null;
#endif
}
list.Add(PermissionBuilder.Create(className, se));
}
}
}