How to use

sweepKids

method

in

com.lowagie.text.pdf.PdfStamperImp

void sweepKids(PdfObject obj) {
  PdfObject oo = PdfReader.killIndirect(obj);
  if (oo == null || !oo.isDictionary())
    return;
  PdfDictionary dic = (PdfDictionary)oo;
  PdfArray kids = (PdfArray)PdfReader.killIndirect(dic.get(PdfName.KIDS));
  if (kids == null)
    return;
  for (int k = 0; k < kids.size(); ++k) {
    sweepKids(kids.getPdfObject(k));
  }
}

void sweepKids(PdfObject obj) {
  PdfObject oo = PdfReader.killIndirect(obj);
  if (oo == null || !oo.isDictionary())
    return;
  PdfDictionary dic = (PdfDictionary)oo;
  PdfArray kids = (PdfArray)PdfReader.killIndirect(dic.get(PdfName.KIDS));
  if (kids == null)
    return;
  for (int k = 0; k < kids.size(); ++k) {
    sweepKids(kids.getPdfObject(k));
  }
}

void sweepKids(PdfObject obj) {
  PdfObject oo = PdfReader.killIndirect(obj);
  if (oo == null || !oo.isDictionary())
    return;
  PdfDictionary dic = (PdfDictionary)oo;
  PdfArray kids = (PdfArray)PdfReader.killIndirect(dic.get(PdfName.KIDS));
  if (kids == null)
    return;
  for (int k = 0; k < kids.size(); ++k) {
    sweepKids(kids.getPdfObject(k));
  }
}

  void eliminateAcroformObjects() {
    PdfObject acro = this.reader.getCatalog().get(PdfName.ACROFORM);
    if (acro == null)
      return;
    PdfDictionary acrodic = (PdfDictionary)PdfReader.getPdfObject(acro);
    this.reader.killXref(acrodic.get(PdfName.XFA));
    acrodic.remove(PdfName.XFA);
    PdfObject iFields = acrodic.get(PdfName.FIELDS);
    if (iFields != null) {
      PdfDictionary kids = new PdfDictionary();
      kids.put(PdfName.KIDS, iFields);
      sweepKids(kids);
      PdfReader.killIndirect(iFields);
      acrodic.put(PdfName.FIELDS, new PdfArray());
    }
//        PdfReader.killIndirect(acro);
//        reader.getCatalog().remove(PdfName.ACROFORM);
  }

  void eliminateAcroformObjects() {
    PdfObject acro = reader.getCatalog().get(PdfName.ACROFORM);
    if (acro == null)
      return;
    PdfDictionary acrodic = (PdfDictionary)PdfReader.getPdfObject(acro);
    reader.killXref(acrodic.get(PdfName.XFA));
    acrodic.remove(PdfName.XFA);
    PdfObject iFields = acrodic.get(PdfName.FIELDS);
    if (iFields != null) {
      PdfDictionary kids = new PdfDictionary();
      kids.put(PdfName.KIDS, iFields);
      sweepKids(kids);
      PdfReader.killIndirect(iFields);
      acrodic.put(PdfName.FIELDS, new PdfArray());
    }
    acrodic.remove(PdfName.SIGFLAGS);
//        PdfReader.killIndirect(acro);
//        reader.getCatalog().remove(PdfName.ACROFORM);
  }
 

  void eliminateAcroformObjects() {
    PdfObject acro = reader.getCatalog().get(PdfName.ACROFORM);
    if (acro == null)
      return;
    PdfDictionary acrodic = (PdfDictionary)PdfReader.getPdfObject(acro);
    reader.killXref(acrodic.get(PdfName.XFA));
    acrodic.remove(PdfName.XFA);
    PdfObject iFields = acrodic.get(PdfName.FIELDS);
    if (iFields != null) {
      PdfDictionary kids = new PdfDictionary();
      kids.put(PdfName.KIDS, iFields);
      sweepKids(kids);
      PdfReader.killIndirect(iFields);
      acrodic.put(PdfName.FIELDS, new PdfArray());
    }
    acrodic.remove(PdfName.SIGFLAGS);
//        PdfReader.killIndirect(acro);
//        reader.getCatalog().remove(PdfName.ACROFORM);
  }