Understanding the com.sun.* APIs being (ab)used by the community

Jonathan Giles jonathan.giles at oracle.com
Wed Jun 3 22:05:02 UTC 2015


Thanks everyone for emailing me your jdeps output - I now have 15 files 
and plenty of data to do some more analysis. You can stop emailing me 
files now! :-)

Also, Nicolai and Kevin are correct - I'm not relying on JDeps to do any 
analysis of the output for me, I'm just using it to dump all referenced 
classes. I can then analyse the output of all the output files and group 
it into one report.

-- Jonathan

On 3/06/2015 6:17 p.m., Jonathan Giles wrote:
> Hi folks,
>
> I've written a tool that analyses the output of JDeps. This allows for 
> me to quickly understand what com.sun.* APIs are being used by 
> projects. It basically just gives a tally of each com.sun.* class that 
> is being used, given a directory of files that are output from JDeps 
> (where each file is the output from running JDeps against a single jar 
> file). The more of these JDeps text files I have, the more data I can 
> have about what APIs are being (ab)used.
>
> Also, before I go further, lets try to keep this simple - I'd rather 
> not have this discussion get political about the merits of modularity, 
> choosing which APIs are most important, etc, etc, etc! I'm just a 
> lowly engineer trying to make things as good as I can for you all. The 
> remainder of the political discussion can start in ~2 weeks when I'm 
> on vacation ;-)
>
> If you want to give me more data, please do the following from your 
> computer, and then email me (off-list!) the resulting text file. My 
> example command line instruction is what I run against Scene Builder, 
> but please don't send me the output against your Scene Builder jar - I 
> want to know what the output is against your projects.
>
> Here's the command line instruction (for my Windows 8 machine, your 
> mileage may vary):
>
> jdeps -v SceneBuilder-8.0.0.jar > SceneBuilder-8.0.0.txt
>
> Send me (again, off-list!) the resulting text file. I don't want your 
> jar files or anything else, I don't think my inbox could handle it :-)
>
> Thanks,
> -- Jonathan



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