private void handleSignature(AttributesImpl parentAttributes, PDSignatureField sigField)
throws SAXException {
PDSignature sig = sigField.getSignature();
if (sig == null) {
return;
}
Map<String, String> vals = new TreeMap<>();
vals.put("name", sig.getName());
vals.put("contactInfo", sig.getContactInfo());
vals.put("location", sig.getLocation());
vals.put("reason", sig.getReason());
Calendar cal = sig.getSignDate();
if (cal != null) {
dateFormat.setTimeZone(cal.getTimeZone());
vals.put("date", dateFormat.format(cal.getTime()));
}
// see if there is any data
int nonNull = 0;
for (String val : vals.keySet()) {
if (val != null && !val.equals("")) {
nonNull++;
}
}
// if there is, process it
if (nonNull > 0) {
xhtml.startElement("li", parentAttributes);
AttributesImpl attrs = new AttributesImpl();
attrs.addAttribute("", "type", "type", "CDATA", "signaturedata");
xhtml.startElement("ol", attrs);
for (Map.Entry<String, String> e : vals.entrySet()) {
if (e.getValue() == null || e.getValue().equals("")) {
continue;
}
attrs = new AttributesImpl();
attrs.addAttribute("", "signdata", "signdata", "CDATA", e.getKey());
xhtml.startElement("li", attrs);
xhtml.characters(e.getValue());
xhtml.endElement("li");
}
xhtml.endElement("ol");
xhtml.endElement("li");
}
}
public static PDSignatureField swapTextWithSignature(PDField box, List<PDField> fields) {
PDSignatureField sig = null;
try {
PDAcroForm acroForm;
acroForm = box.getAcroForm();
acroForm.getDictionary().setDirect(true);
PDSignature sigobj = new PDSignature();
sig = new PDSignatureField(acroForm);
sig.getDictionary().setDirect(true);
sig.setSignature(sigobj);
sig.getWidget().setPage(box.getWidget().getPage());
sig.setPartialName(box.getPartialName());
sig.setAlternateFieldName(box.getAlternateFieldName());
sig.getDictionary().setItem(COSName.RECT, box.getDictionary().getItem(COSName.RECT));
sig.getDictionary().setNeedToBeUpdate(true);
acroForm.getDictionary().setInt(COSName.SIG_FLAGS, 3);
acroForm.getDictionary().setNeedToBeUpdate(true);
fields.remove(box);
fields.add(sig);
} catch (IOException ioe) {
}
return sig;
}
