Hmm better send this to [email protected], don't think you will get a
valuable response on
the oro list..
Mvgr,
Martin
Mingfan.Lu wrote:
> When I use the POI-HLSF to extract the text from the slides.
> My code is very easy:
> PowerPointExtractor ppe = new PowerPointExtractor("c:\\4.ppt");
> String s = ppe.getText(true,true);
> System.out.println(s);
> ppe.close();
>
> But there is a error:
> java.lang.ClassCastException: org.apache.poi.hslf.record.Slide cannot be
> cast to org.apache.poi.hslf.record.MainMaster
> I trace the bug, I find that:
> For the ppt which has more than 2(include 2) MainMasters, the SlideShow
> Constructor could not correctly to get MasterRecords:
>
>
> SlideListWithText masterSLWT =
> _documentRecord.getMasterSlideListWithText();
> SlideListWithText slidesSLWT = _documentRecord.getSlideSlideListWithText();
> SlideListWithText notesSLWT = _documentRecord.getNotesSlideListWithText();
>
> //find master slides
> SlideAtomsSet[] masterSets = new SlideAtomsSet[0];
> org.apache.poi.hslf.record.MainMaster[] masterRecords = null;
> if (masterSLWT != null){
>
> masterSets = masterSLWT.getSlideAtomsSets();
> masterRecords = new org.apache.poi.hslf.record.MainMaster[
> masterSets.length];
> for(int i=0; i<masterRecords.length; i++) {
> masterRecords[i] = (org.apache.poi.hslf.record.MainMaster
> )getCoreRecordForSAS(masterSets[i]);
> }
> }
>
> Eg. The masterSets.length =2, but there is only 1 master records in the
> MostRecentCoreRecords, so the there will be a casting error.
>
> And I also find that the test data given in the Src dir, all ppt file are
> simple, all of them have only 1 master slide,
>
> Did anyone test the ones which have more than 2 master slides?
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