On Wed, 5 Sep 2007, Yegor Kozlov wrote:
Well, we do have a GPL header in org.apache.poi.hdgf.LZW4HDGF.
Yup, that class is GPL v3 licenced. It's a straight java port of something
out of vsdump.
I asked the author of vsdump if he'd consider dual licensing it as ASL/GPL
(it was GPL v2), but he wasn't keen on that. He changed the license to GPL
v3, so it could be used with other apache code within poi.
The class in question only supports decompressing visio LZW, and isn't
very sane Java (since it's basically c!). If you take a look at
http://poi.apache.org/hdgf/
you'll see that the first thing on the todo is to replace it :)
So currently, yes, there is one class in the poi scratchpad (and only the
scratchpad) that's gpl v3. Very soon, it'll be gone (ideally it'd have
gone by now, but I've been a bit busy). It's not ideal, but the licence
notice distributed with poi 3.0.1 does state this. If it's a problem, just
zap hdgf from your scratchpad for now. The problem will be gone shortly,
even sooner if someone wants to help me re-implement the crazy visio lzw
engine :)
Nick
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