How to update embedded metadata in PPTX

[sp0065 <sp...@gmail.com>]

I delete slides from the PPTX presentation with removeSlide()

Properties of the presentation stored in docProps/app.xml are not changed
with the deletion of slides. For example, number of Words or number of
Slides stays the same. I am using that embedded metadata for search.

Is it possible to update that metadata in docProps/app.xml with Apache-POI?

Thank you,



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Re: How to update embedded metadata in PPTX

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

On Sun, 10 Jun 2012, sp0065 wrote:
> Properties of the presentation stored in docProps/app.xml are not 
> changed with the deletion of slides. For example, number of Words or 
> number of Slides stays the same. I am using that embedded metadata for 
> search.
>
> Is it possible to update that metadata in docProps/app.xml with Apache-POI?

POI allows you to edit that metadata, but doesn't provide anything to help 
you calculate what the values should be

XSLFSlideShow extends from POIXMLDocument, which has getProperties which 
yields a POIXMLProperties. You can then get the low level CT properties 
object which you can manipulate

Nick

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