Hi Nick,
Apologies if I missed this... but is there any documentation
anywhere about POI's various library dependencies?
I'm not sure there is that much, no. I think David has put it on his
list of things to do when updating the site though!
The components are currently listed on the bottom of the home page. I
plan a new Components page and have now added a good description of
the Run / Compile time dependencies to my to do list.
(We track the license / attribution stuff quite carefully, see
NOTICE, but that's the main thing)
I plan to link to this from a couple of obvious places, and the
components page is one.
I see the various jar files in the distribution, but it isn't clear
to me whether they're all needed, or whether some only apply to
particular features or subsets of POI. Can I leave out some of the
files?
Generally, everything in /lib/ is needed no matter what you're
doing, though you can skip junit if you don't want to run the tests
Everything in /ooxml-lib/ is needed if you want to work with the
ooxml files (.xlsx, .docx, .pptx). If you only want to use the older
ole2 file formats, you can skip these
Exactly.
And in some cases our existing libraries are either older or newer
than the ones in POI, so I'm not sure whether to upgrade/downgrade
what we have, or whether or not POI *requires* the older/newer
version.
Generally that's a question you'll need to ask of the libraries
themselves. They should generally say how well applications compiled
against them cope with older/newer versions. For example, I know
that XmlBeans say that you should generally be fine to run against a
newer runtime than you did the compiling with, but not an older one.
Most libraries should have something similar to saw
The rewritten "How to Build" page more carefully describes the Ant,
JUnit and Forrest build dependencies and the versions. Ant is always
required and we have checked out against the latest version 1.7.1, but
the build ought to work with earlier versions - probably 1.6 and up.
JUnit requirements are always described as get the latest. You only
need JUnit if you are building the "test" or "dist" targets. Forrest
requires the very old version 0.5 and is only needed for "docs" and
"dist" targets. When we have the new documentation released - there
will be links to the correct pages.
Regards,
Dave
Nick
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