Vector gg = response
.getGroupVector(IppAttributeGroup.TAG_GET_PRINTER_ATTRIBUTES);
if (gg != null) {
for (int i = 0, ii = gg.size(); i < ii; i++) {
IppAttributeGroup g = (IppAttributeGroup) gg.get(i);
int ai = g.findAttribute("printer-uri-supported");
if (ai >= 0) {
IppAttribute a = (IppAttribute) g.get(ai);
Vector v = a.getValue();
if (v.size() > 0) {