[Octave-bug-tracker] [bug #44882] java arrays are not automatically converted to octave types

[Philip Nienhuis]

Follow-up Comment #9, bug #44882 (project octave):

With the patch, the UNO interface (invoking LibreOffice) doesn't work
anymore.

After backing out the patch and rebuilding, UNO works again.

It is this statement in L.83 of io package's private/__UNO_spsh_open__.m where
it breaks:

lProp = javaObject ...
("com.sun.star.beans.PropertyValue", "FilterName", 0, filtnam, []);


where "filtnam" = "MS Excel 97". (Could be "calc8" as well if one is to
experiment on the command line)

AFAICS it is the empty array [] that is the offending argument ("error:
invalid conversion from real matrix to real scalar") but I haven't uncovered
what type is expected.
The only thing I know is that before the patch it somehow worked, after the
patch is doesn't.

That said, the LibreOffice Java interface is very fragile and picky. Yet it is
the only purely OSS-based interface that offers a wide variety of spreadsheet
formats, so I'm hesitating to let it go.

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