Review Request: 8001533: Java launcher must launch JavaFX applications

[David DeHaven]

>>>   L496-517 somewhat duplicates the logic added for FX in the
>>>   getMainClassFromJar method.  Have you considered some refactoring
>>>   work you could do to simplify the fix since I think once you get
>>>   the classname of the entry point (either from a JAR or command-line
>>>   and with and without the static void main method), the logic is
>>>   essentially the same.  To elaborate, I see that FXHelper.launchName
>>>   L707-725 is needed mainly to give a useful error message.  When
>>>   you find the classname of the entry point, perhaps you can load
>>>   the class and catch any linkage error and determine if it's caused
>>>   by the absence of FX runtime and output an appropriate error.
>>>   If the main class is successfully loaded, then proceed with
>>>   L496-517 (or something like that).  Just an idea you can explore.
>> Yes, I do feel that especially in the -jar case there is some repetition. The trouble is the ambiguity of ClassNotFoundException.
>> 
>> I'll poke at it and see what I can come up with.
> 
> That's good.
> Mandy

I cleaned it up quite a bit, I think it looks a lot better now:
http://cr.openjdk.java.net/~ddehaven/8001533/webrev.1/

The comments still need some attention, I'll get that first thing on the morrow.

-DrD-