Re: User-defined cell styles in HSSF and XSSF

[Nick Burch <ni...@alfresco.com>]

On Fri, 30 Jul 2010, Martin Studer wrote:
> HSSFWorkbook wb = ...
> HSSFCellStyle cs = wb.createCellStyle();
> cs.setUserStyleName(name);
>
> However, when I try to do that I get an "Unable to set user specified style
> names for built in styles!" exception. When I'm creating a new cell style, I
> shouldn't be getting a built-in style, should I?

Looks to be a bug. I've put this in bugzilla as 
https://issues.apache.org/bugzilla/show_bug.cgi?id=49689

> Also, for XSSF workbooks I currently didn't find a way to directly deal 
> with user defined style names. Is this something which is planned for 
> the 3.7 release?

Only if you fancy writing the patch! :)

Try creating a file in excel, which is very simple and has for example one 
cell with a user defined style name. Unzip the .xlsx file (it's really 
just a zip file), and see which bits of xml are involved. That should tell 
you the xmlbeans bean to expose, then wrap that with some XSSF usermodel 
code. Finally, add a unit test, and upload the patch to bugzilla :)

Cheers
Nick

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