private void indicateNewCard() {
final String method = "indicateNewCard()";
if (LOG.isInfoEnabled()) {
LOG.info(method, "New card");
}
TVR tvr = transaction.getTVR();
tvr.getByte2().newCard();
}
private int readATC() throws ProcessingStateException, IOException {
final String method = "readATC()";
try {
return BinaryNumber.toInt(read(EMVTag.APPLICATION_TRANSACTION_COUNTER));
} catch (ProcessingStateException e) {
if (LOG.isInfoEnabled()) {
LOG.info(method, "ATC is missing");
}
TVR tvr = transaction.getTVR();
tvr.getByte1().iccDataMissing();
throw e;
}
}
void doVelocityChecking() {
final String method = "doVelocityChecking()";
try {
int lowerLimit =
BinaryNumber.toInt(transaction.getData(EMVTag.LOWER_CONSECUTIVE_OFFLINE_LIMIT));
int upperLimit =
BinaryNumber.toInt(transaction.getData(EMVTag.UPPER_CONSECUTIVE_OFFLINE_LIMIT));
int lastOnlineATC = readLastOnlineATC();
if (lastOnlineATC == 0) {
indicateNewCard();
}
int atc = readATC();
if (LOG.isInfoEnabled()) {
LOG.info(method, "ATC: " + atc + ", Last Online ATC: " + lastOnlineATC);
}
int consecutiveOffline = atc - lastOnlineATC;
TVR tvr = transaction.getTVR();
if (consecutiveOffline > lowerLimit) {
tvr.getByte4().lowerConsecutiveOfflineLimitExceeded();
}
if (consecutiveOffline > upperLimit) {
tvr.getByte4().upperConsecutiveOfflineLimitExceeded();
}
} catch (IOException e) {
if (LOG.isErrorEnabled()) {
LOG.error(method, "Error reading data from ICC", e);
}
} catch (ProcessingStateException e) {
if (LOG.isErrorEnabled()) {
LOG.error(method, "Error reading data from ICC", e);
}
TVR tvr = transaction.getTVR();
tvr.getByte4().lowerConsecutiveOfflineLimitExceeded();
tvr.getByte4().upperConsecutiveOfflineLimitExceeded();
} catch (DataNotFoundException e) {
if (LOG.isDebugEnabled()) {
LOG.debug(method, "Data not found: " + e.getEMVTag());
}
}
}
private void selectForOnlineProcessing() {
TVR tvr = transaction.getTVR();
tvr.getByte4().transactionSelectedRandomlyForOnlineProcessing();
}
