Collection tacPairs = new ArrayList();
TacIdentification tacIdentification = loadTacIdentification();
if (tacIdentification != null) {
Iterator entries = tacIdentification.entries();
while (entries.hasNext()) {
TacIdentificationEntry entry = (TacIdentificationEntry)
entries.next();
String deviceName = entry.getDeviceName();
Iterator numbers = entry.numbers();
while (numbers.hasNext()) {
String number = (String) numbers.next();
try {
long tac = Long.parseLong(number);
tacPairs.add(new DeviceTACPair(tac, deviceName));