Hi Ivan & list,
I'm writing an application that uses LibreOffice API, however in order to
connect to LibreOffice I've ended up using a certain JAR (originally
published on OpenOffice forums) that allows to specify a path to
LibreOffice binary named bootstrapconnector.jar.
I know which bootstrapconnector you mean. Certain Java library built over
Libreoffice UNO API I accidentally ended up contributing to (noa-libre [1]) was
using it as well. However I dropped it from there recently in favour of
Libreoffice's own bootstrapping mechanism (see below).
Maybe you can still dig the jar out of the depths of github and see if it's
any better than the one from Maven central, but I'm pretty certain it was
using this old-style CLI syntax with single dash as well and noa-libre was
working around that in its own code somehow.
Of course, I don't know what kind of application you are writing, but maybe
you might want to have a look at noa-libre, if it matches your needs. It
greatly simplifies the code when it comes to basic things such as bootstrapping
and connecting to Libreoffice and it also has some pretty nice wrapper around
UNO API for Writer functionality (some wrapper for Calc/Impress too, but those
are in rather unfinished state *grin* )
My question is -- does LibreOffice has it's own version of this module
(perhaps included in some other package or named differently)? If not, then
perhaps LibreOffice should have it as well?
Actually, nope. It's not that I'd know all the reasoning and history behind
technical decisions made, but last time I asked, I was told that "The
Libreoffice Way" to bootstrap UNO from Java code is to use the combination of:
* javaunohelper (juh.jar) bootstrap class (com.sun.star.comp.helper.Bootstrap)
* and customized class loader (com.sun.star.lib.loader) from Libreoffice SDK
Since javaunohelper's bootstrapping mechanism doesn't allow to specify path to
Libreoffice binary, one needs the customized classloader (the one from SDK is
Java's URLClassLoader on LSD) that will then try to find UNO on the system in
different places, looking at Java properties, environment variables, Windows
registry and more.
HTH
[1] https://github.com/LibreOffice/noa-libre/
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Katarina Behrens
Softwareentwicklerin LibreOffice
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