public static string GetUniqueString(string thingId)
{
if (string.IsNullOrWhiteSpace(thingId))
{
throw new ArgumentException("Argument is null or empty.", "thingId");
}
var index = thingId.IndexOf('/');
if (index < 1)
{
throw new ArgumentException("Argument does not contain '/'.", "thingId");
}
if (thingId.Length < (index + 1))
{
throw new ArgumentException("Argument does not contain uniqueString.", "thingId");
}
string uniqueString = thingId.Substring(index + 1);
if (!ThingIdHelper.CheckUniqueString(uniqueString))
{
throw new ArgumentException("Argument does not contain uniqueString.", "thingId");
}
return(uniqueString);
}
public static string Create(string creatorFQDN, string uniqueString, bool allowNull = false)
{
if (!ThingIdHelper.CheckFQDN(creatorFQDN, allowNull))
{
throw new ArgumentException("Argument is not FQDN.", "creatorFQDN");
}
if (!ThingIdHelper.CheckUniqueString(uniqueString, allowNull))
{
throw new ArgumentException("UniqueString is invalid.", "uniqueString");
}
return($"{creatorFQDN}/{uniqueString}");
}
public static string GetFQDN(string thingId)
{
if (string.IsNullOrWhiteSpace(thingId))
{
throw new ArgumentException("Argument is null or empty.", "thingId");
}
var index = thingId.IndexOf('/');
if (index < 1)
{
throw new ArgumentException("Argument does not contain '/'.", "thingId");
}
string fqdn = thingId.Substring(0, index);
if (!ThingIdHelper.CheckFQDN(fqdn))
{
throw new ArgumentException("Argument does not contain FQDN.", "thingId");
}
return(fqdn);
}
