Mixing native and bytecode (Swing)?

[John Moore]

I found out about GCJ only a day or so ago, so please forgive any naivete 
in my question...

I am wanting to distribute a cross-platform Swing-based application, 
elements of which I do not want to be reverse engineered, decompiled. 
Obfuscation only goes a certain part of the way, and the prospect of 
compiling to native code using GCJ struck me as rather exciting when I 
found out about it.

Now, I appreciate that the Swing libraries have not been replicated yet, 
but I'm hoping that does not mean a dead end for my plans. What I am 
wondering is whether it is possible to compile into a native code library 
the part of the application I don't want reverse-engineered and run the 
whole thing with GIJ, with the Swing part being interpreted as bytecode.

Secondly, I know that Sun's license is one of the issues as to why the 
class libraries are having to be recreated in clean-room form. But is this 
simply a distribution issue? I was planning to distribute my application 
with a JRE anyway, so would it contravene the license to compile Sun's own 
Swing stuff to native code and use that, as long as I distribute the JRE 
and associated jars along with it? (I am presuming someone has attempted 
this to determine technical feasibility anyway, in which case has it worked?)

TIA,

John
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