Hi Michael, this issue was already described in [1] and the svn-version 790931 resolves that issue.
Thanks for your help. Andreas Lehmkühler [1] https://issues.apache.org/jira/browse/PDFBOX-455 Michael Weller schrieb: > Hey Pdfbox-Users, > > I'm using Pdfbox for a custom pdf library. I'm using the TextStripper > class to extract textual contents of the pdf's pages. This works for > alsmost 99% of my pdfs. Here's the old implementation: > <code> > public String getNameAsString( COSName key ) > { > String retval = null; > COSName name = (COSName)getDictionaryObject( key ); > if( name != null ) > { > retval = name.getName(); > } > return retval; > } > </code> > But for some I got ClassCastExceptions in > COSDictionary#getNameAsString(COSName key) (used by TextStripper ..) > because something returned by getDictionaryObject(COSName key) is not > a COSName. After adding an "instanceof"-test I sometimes got > NullPointerExceptions. So here is a new implementation with some > simple checks which works for 100% of my pdfs ;-) > > public String getNameAsString( COSName key ) > { > String retval = null; > > COSBase cb = getDictionaryObject( key ); > if (cb != null) { > if (cb instanceof COSName) { > COSName name = (COSName)cb; > if( name != null ) > { > retval = name.getName(); > } > } else { > retval = cb.toString(); > } > } > return retval; > } > > As far as I can tell there are no semantics touched by these modifications. > > Thanks for your attention!
