Hi, > Am 27.08.2015 um 14:55 schrieb Roberto Nibali <[email protected]>: > > Hi Tilman > > On Thu, Aug 27, 2015 at 12:48 AM, Tilman Hausherr <[email protected]> > wrote: > > Am 27.08.2015 um 00:39 schrieb Roberto Nibali: >> >>> Hi >>> >>> I'm looking at a PDF using PDFDebugger and the text I'd like to extract >>> from the PDF is inside the Content of node Root/Pages/Kids/[0]/Contents, >>> according to PDFDebugger. How do I programmatically dig down to this node >>> to extract the flatdecoded ASCII stream hiding there inside object [3 0 >>> R]? >>> >>> The stream's content first bytes look as follows in the PDFDebugger: >>> >>> q >>> 1 1 1 rg >>> /a0 gs >>> 14.16 827.76 566.879 -824.879 re >>> f >>> BT >>> 9.9984 0 0 9.9984 70.8 806.64 Tm >>> /f-0-0 1 Tf >>> [ ($) 6 ($) 6 (Do) 6 (s) 20 (s) 20 (i) -17 (er) -7 (n) 6 (r=) -16 (3) >>> 26 ('3) 6 (9) 6 (4'5) 6 (98) ] TJ >>> >>> Any pointers would be most welcome. In the above example, I'd like to >>> extract the text "$$DossierNr" >>> >> >> You could use PDFTextStripper. >> >> I hope you don't ask how to replace $$DossierNr in the PDF. Because that >> would be really tricky, if not impossible. >> >> > And again thanks heaps for your suggestion. It pointed me exactly towards > the right direction. Solved it using the following code: > > PDFTextStripper pdfTextStripper = new PDFTextStripper(); > String text = pdfTextStripper.getText(srcDoc); > String textNormalized = text.replaceAll("\\n", " ").replaceAll("\\s{2}", " "); > List<String> metaData = getMetaData(textNormalized); > metaData.forEach(s -> System.out.printf("%s = %s%n", s.split("="))); > > public static List<String> getMetaData(String largeText){ > Pattern pattern = Pattern.compile("\\$\\$.*=.*\\s"); > Matcher mtch = pattern.matcher(largeText); > List<String> entries = new ArrayList<>(); > while (mtch.find()) { > entries.add(mtch.group()); > } > return entries; > } > > Works like a charm! > > Question: Would it be possible to extract the text only from one page (the > first one) via the PDFTextStripper API?
you can use PDFTextStripper.setStartPage() and PDFTextStripper.setEndPage() BR Maruan > > Cheers > Roberto --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
