in plugins/transforms/creditcardvalidator/src/main/java/org/apache/hop/pipeline/transforms/creditcardvalidator/CreditCardVerifier.java [160:327]
public static int getCardID(String number) {
int valid = INVALID;
String digit1 = number.substring(0, 1);
String digit2 = number.substring(0, 2);
String digit3 = number.substring(0, 3);
String digit4 = number.substring(0, 4);
String digit6 = number.substring(0, 4);
if (isNumber(number)) {
if (digit4.equals("4903")
|| digit4.equals("4905")
|| digit4.equals("4911")
|| digit4.equals("4936")
|| digit6.equals("564182")
|| digit6.equals("633110")
|| digit4.equals("6333")
|| digit4.equals("6759")) {
if (number.length() == 16 || number.length() == 18 || number.length() == 19) {
/*
* ----* SWITCH card prefix = 4903,4905,4911,4936,564182,633110,6333,6759* -------- length = 16,18,19
*/
valid = SWITCH;
}
} else if (digit4.equals("6304")
|| digit4.equals("6706")
|| digit4.equals("6771")
|| digit4.equals("6709")) {
if (number.length() >= 16 && number.length() <= 19) {
/*
* ----* LASER card prefix = 6304, 6706, 6771, 6709* --------
*/
valid = LASER;
}
} else if (digit1.equals("4")) {
if (number.length() == 13 || number.length() == 16) {
/*
* ----* VISA prefix=4* ---- length=13 or 16 (can be 15 too!?! maybe)
*/
valid = VISA;
}
} else if (digit2.compareTo("51") >= 0 && digit2.compareTo("55") <= 0) {
if (number.length() == 16) {
valid = MASTERCARD;
}
} else if (digit2.equals("34") || digit2.equals("37")) {
if (number.length() == 15) {
/*
* ----* AMEX prefix=34 or 37* ---- length=15
*/
valid = AMERICAN_EXPRESS;
}
} else if (digit4.equals("2014") || digit4.equals("2149")) {
if (number.length() == 15) {
/*
* -----* ENROUTE prefix=2014 or 2149* ----- length=15
*/
valid = EN_ROUTE;
}
} else if (digit2.equals("36")
|| digit2.equals("38")
|| (digit3.compareTo("300") >= 0 && digit3.compareTo("305") <= 0)) {
if (number.length() == 14) {
/*
* -----* DCLUB prefix=300 ... 305 or 36 or 38* ----- length=14
*/
valid = DINERS_CLUB;
}
} else if (digit4.equals("6011")) {
if (number.length() == 16) {
/*
* ----* DISCOVER card prefix = 6011* -------- length = 16
*/
valid = DISCOVER;
}
} else if (digit1.equals("3")) {
if (number.length() == 16) {
/*
* ----* JCB1 card prefix = 3* -------- length = 16
*/
valid = JCB1;
}
} else if (digit4.equals("2131") || digit4.equals("1800")) {
if (number.length() == 15) {
/*
* ----* JCB2 card prefix = 2131, 1800* -------- length = 15
*/
valid = JCB2;
}
} else if (digit4.equals("5610")
|| digit6.equals("560221")
|| digit6.equals("560222")
|| digit6.equals("560223")
|| digit6.equals("560224")
|| digit6.equals("560225")) {
if (number.length() == 16) {
/*
* ----* BANKCARD card prefix = 56* -------- length = 16
*/
valid = BANKCARD;
}
} else if (digit4.equals("5018")
|| digit4.equals("5020")
|| digit4.equals("5038")
|| digit4.equals("6304")
|| digit4.equals("6759")
|| digit4.equals("6761")
|| digit4.equals("6763")) {
if (number.length() == 12
|| number.length() == 13
|| number.length() >= 14 && number.length() <= 19) {
/*
* ----* MAESTRO card prefix = 5020,6* -------- length = 16
*/
valid = MAESTRO;
}
} else if (digit4.equals("6334") || digit4.equals("6767")) {
if (number.length() == 16 || number.length() == 18 || number.length() == 19) {
/*
* ----* SOLO card prefix = 6334, 6767* -------- length = 16,18,19
*/
valid = SOLO;
}
} else if (digit3.equals("192") || digit3.equals("122")) {
/*
* ----* AIRLUS card prefix = 192, 122* --------
*/
valid = AIRPLUS;
} else if (digit4.equals("8699")) {
if (number.length() == 15) {
/*
* ----* VOYAGER card prefix = 6011* -------- length = 15
*/
valid = VOYAGER;
}
}
}
return valid;
}