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How can I distinguish between a name and UUID?

Geoff Alexander (19623948) | asked Sep 29 '20, 3:04 p.m.
edited Sep 29 '20, 3:17 p.m.

I'm working on a script that uses the RTC CLI to access RTC in which a user can reference an RTC object by either its name or its UUID.  How can I determine if the user referenced the object by name or UUID.  Can I take the object reference to be UUID if and only if it begins with an underscore?

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David Lafreniere (4.8k7) | answered Oct 08 '20, 8:21 p.m.

If you have access to the RTC plain-Java API, you can call, and if that call throws an IllegalArgumentException, then it was not a valid UUID (that's the main fool proof way).
(but yes, a UUID is 22 characters long and starts with an _  , but just keep in mind it's always possible for a crazy user to have a stream name start with an underscore and happen to also be 22 characters long)

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