RFR: 8307779: Relax the java.awt.Robot specification [v2]

[Phil Race]

On Wed, 10 May 2023 13:48:20 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

>> src/java.desktop/share/classes/java/awt/Robot.java line 431:
>> 
>>> 429:      * to capture screen content, and the required permissions are not granted,
>>> 430:      * then a {@code SecurityException} may be thrown,
>>> 431:      * or the content of the returned {@code Color} is undefined.
>> 
>> Given that a `SecurityException` is only thrown on some platforms, is it worth throwing at all? Undefined colors can still occur, so I'm not sure I see much value in an exception. What do you envision that an application would do with the exception?
>
> I agree, I'll try to come up with something less confusing.

If there's no exception, how does the application know the colours aren't valid ?
I think throwing the exception should be preferred behaviour and undefined colours would be just if we had no way to detect that there was a problem.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13809#discussion_r1190311693