[cas-dev] method resolvePrincipal of Interface CredentialsToPrincipleResolver not throwing an Exception?

[ssozonoff]

Hi Scott,

Sure and I was not implying that throwing an IOException was acceptable what
I meant was that other than returning a null for the principle I see no way
of indicating a failure.

So is returning a null value for the Principle is acceptable?

Thanks,
Serge



scott_battaglia wrote:
> 
> An exception like an IOException is specific to the implementation of the
> resolver (not all of them would need to do this).  In addition, any
> handling
> of that exception would only be able to occur within that resolver (as
> none
> of the items that call it assume that resolvers require IO operations).
> Anything that couldn't be handled by the resolver is something that most
> likely could not be handled at all and thus would be a RuntimeException
> (which are generally not declared in the signature as you do not want to
> force people to catch something they probably won't be able to handle.
> 
> -Scott
> 
> 

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