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API for processing payments through Global Payments
package com.global.api.utils;
import com.global.api.entities.enums.TrackNumber;
import com.global.api.paymentMethods.GiftCard;
import com.global.api.paymentMethods.ITrackData;
import lombok.var;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class CardUtils {
private static final Pattern AmexRegex = Pattern.compile("^3[47]");
private static final Pattern MasterCardRegex = Pattern.compile("^(?:5[1-8]|222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)");
private static final Pattern VisaRegex = Pattern.compile("^4");
private static final Pattern DinersClubRegex = Pattern.compile("^3(?:0[0-5]|[68][0-9])");
private static final Pattern RouteClubRegex = Pattern.compile("^(2014|2149)");
private static final Pattern DiscoverRegex = Pattern.compile("^6(?:011|5[0-9]{2})");
private static final Pattern JcbRegex = Pattern.compile("^(?:2131|1800|35\\d{3})");
private static final Pattern VoyagerRegex = Pattern.compile("^70888[5-9]");
private static final Pattern WexRegex = Pattern.compile("^(?:690046|707138)");
private static final Pattern FuelmanRegex = Pattern.compile("^707649[0-9]");
private static final Pattern FleetwideRegex = Pattern.compile("^707685[0-9]");
private static final Pattern StoredValueRegex = Pattern.compile("^(?:600649|603261|603571|627600|639470)");
private static final Pattern ValueLinkRegex = Pattern.compile("^(?:601056|603225)");
private static final Pattern HeartlandGiftRegex = Pattern.compile("^(?:502244|627720|708355)");
private static final Pattern UnionPayRegex = Pattern.compile("^(?:62[0-8]|81[0-8])");
private static final Pattern trackOnePattern = Pattern.compile("%?[B0]?([\\d]+)\\^[^\\^]+\\^([\\d]{4})([^?]+)?/?");
private static final Pattern trackTwoPattern = Pattern.compile(";?([\\d]+)[=|[dD]](\\d{4})([^?]+)?/?");
private static Map> fleetBinMap;
private static Map regexMap;
private static ArrayList readyLinkBinMap;
static {
regexMap = new HashMap();
regexMap.put("Amex", AmexRegex);
regexMap.put("MC", MasterCardRegex);
regexMap.put("Visa", VisaRegex);
regexMap.put("DinersClub", DinersClubRegex);
regexMap.put("EnRoute", RouteClubRegex);
regexMap.put("Discover", DiscoverRegex);
regexMap.put("Jcb", JcbRegex);
regexMap.put("Voyager", VoyagerRegex);
regexMap.put("Wex", WexRegex);
regexMap.put("Fuelman", FuelmanRegex);
regexMap.put("FleetWide", FleetwideRegex);
regexMap.put("StoredValue", StoredValueRegex);
regexMap.put("ValueLink", ValueLinkRegex);
regexMap.put("HeartlandGift", HeartlandGiftRegex);
regexMap.put("UnionPay", UnionPayRegex);
// ReadyLink
readyLinkBinMap = new ArrayList();
readyLinkBinMap.add("462766");
readyLinkBinMap.add("406498");
readyLinkBinMap.add("440230");
readyLinkBinMap.add("485932");
readyLinkBinMap.add("434249");
readyLinkBinMap.add("487093");
readyLinkBinMap.add("411338");
readyLinkBinMap.add("438968");
readyLinkBinMap.add("444083");
readyLinkBinMap.add("417021");
readyLinkBinMap.add("400421");
readyLinkBinMap.add("426938");
readyLinkBinMap.add("478499");
readyLinkBinMap.add("446053");
readyLinkBinMap.add("459440");
readyLinkBinMap.add("421783");
readyLinkBinMap.add("422799");
readyLinkBinMap.add("473517");
readyLinkBinMap.add("493478");
readyLinkBinMap.add("453037");
readyLinkBinMap.add("443613");
readyLinkBinMap.add("401658");
readyLinkBinMap.add("439331");
readyLinkBinMap.add("407216");
readyLinkBinMap.add("400123");
readyLinkBinMap.add("402407");
readyLinkBinMap.add("405551");
readyLinkBinMap.add("404206");
readyLinkBinMap.add("422803");
readyLinkBinMap.add("407635");
readyLinkBinMap.add("447904");
readyLinkBinMap.add("439461");
// fleet bin ranges
fleetBinMap = new HashMap>();
// visa fleet mappings
Map visaFleetMap = new HashMap();
visaFleetMap.put("448460", "448611");
visaFleetMap.put("448613", "448616");
visaFleetMap.put("448617", "448674");
visaFleetMap.put("448676", "448686");
visaFleetMap.put("448688", "448699");
visaFleetMap.put("461400", "461421");
visaFleetMap.put("461423", "461499");
visaFleetMap.put("448616", "448619");
visaFleetMap.put("448628", "448629");
visaFleetMap.put("448631", "448663");
visaFleetMap.put("448665", "448673");
visaFleetMap.put("480700", "480899");
visaFleetMap.put("471562", "471562");
fleetBinMap.put("Visa", visaFleetMap);
// mastercard fleet mappings
Map mcFleetMap = new HashMap();
mcFleetMap.put("553231", "553380");
mcFleetMap.put("556083", "556099");
mcFleetMap.put("556100", "556599");
mcFleetMap.put("556700", "556999");
fleetBinMap.put("MC", mcFleetMap);
// wright express fleet mappings
Map wexFleetMap = new HashMap();
wexFleetMap.put("690046", "690046");
wexFleetMap.put("707138", "707138");
fleetBinMap.put("Wex", wexFleetMap);
// voyager fleet
Map voyagerFleetMap = new HashMap();
voyagerFleetMap.put("708885", "708889");
fleetBinMap.put("Voyager", voyagerFleetMap);
//Fuelman fleet
Map fuelmanFleetMap = new HashMap();
fuelmanFleetMap.put("707649", "707649");
fleetBinMap.put("Fuelman", fuelmanFleetMap);
//FleetWide
Map fleetWideMap = new HashMap();
fleetWideMap.put("707685", "707685");
fleetBinMap.put("FleetWide", fleetWideMap);
}
public static boolean isFleet(String cardType, String pan) {
if (!StringUtils.isNullOrEmpty(pan)) {
int compareValue = Integer.parseInt(pan.substring(0, 6));
String baseCardType = StringUtils.trimEnd(cardType, "Fleet");
if (fleetBinMap.containsKey(baseCardType)) {
Map binRanges = fleetBinMap.get(baseCardType);
for (String key : binRanges.keySet()) {
int lowerRange = Integer.parseInt(key);
int upperRange = Integer.parseInt(binRanges.get(key));
if (compareValue >= lowerRange && compareValue <= upperRange) {
return true;
}
}
}
}
return false;
}
public static boolean isReadyLink(String pan) {
if(!StringUtils.isNullOrEmpty(pan)) {
String compareValue = pan.substring(0, 6);
return readyLinkBinMap.contains(compareValue);
}
return false;
}
public static String mapCardType(String pan) {
String rvalue = "Unknown";
if(!StringUtils.isNullOrEmpty(pan)) {
pan = pan.replace(" ", "").replace("-", "");
for (Map.Entry kvp : regexMap.entrySet()) {
if (kvp.getValue().matcher(pan).find()) {
rvalue = kvp.getKey();
}
}
// we have a card type, check if it's a fleet card
if(!rvalue.equals("Unknown")) {
// if(isFleet(rvalue, pan)){
if(isFleet(rvalue, pan)&&(!rvalue.equals("FleetWide"))) {
rvalue += "Fleet";
}
else if(isReadyLink(pan)) {
rvalue += "ReadyLink";
}
}
}
return rvalue;
}
public static String getBaseCardType(String cardType) {
var resultCardType = cardType;
for (String cardTypeKey : regexMap.keySet()) {
if (cardType.toUpperCase(Locale.ENGLISH).startsWith(cardTypeKey.toUpperCase(Locale.ENGLISH))) {
return cardTypeKey;
}
}
return resultCardType;
}
public static GiftCard parseTrackData(GiftCard paymentMethod) {
String trackData = paymentMethod.getValue();
Matcher matcher = trackTwoPattern.matcher(trackData);
if(matcher.find()) {
paymentMethod.setTrackNumber(TrackNumber.TrackTwo);
paymentMethod.setPan(matcher.group(1));
paymentMethod.setExpiry(matcher.group(2));
paymentMethod.setTrackData(StringUtils.trimStart(matcher.group(), ";"));
}
else {
matcher = trackOnePattern.matcher(trackData);
if(matcher.find()) {
paymentMethod.setTrackNumber(TrackNumber.TrackOne);
paymentMethod.setPan(matcher.group(1));
paymentMethod.setExpiry(matcher.group(2));
paymentMethod.setTrackData(StringUtils.trimStart(matcher.group(), "%"));
}
}
return paymentMethod;
}
public static T parseTrackData(T paymentMethod) {
String trackData = paymentMethod.getValue();
Matcher matcher = trackTwoPattern.matcher(trackData);
if(matcher.find()) {
String pan = matcher.group(1);
String expiry = matcher.group(2);
String discretionary = matcher.group(3);
if(!StringUtils.isNullOrEmpty(discretionary)) {
if(pan.concat(expiry).concat(discretionary).length() == 37 && discretionary.toLowerCase(Locale.ENGLISH).endsWith("f")) {
discretionary = discretionary.substring(0, discretionary.length() - 1);
}
}
paymentMethod.setTrackNumber(TrackNumber.TrackTwo);
paymentMethod.setPan(pan);
paymentMethod.setExpiry(expiry);
paymentMethod.setDiscretionaryData(discretionary);
paymentMethod.setTrackData(String.format("%s=%s%s", pan, expiry, discretionary != null ? discretionary : ""));
}
else {
matcher = trackOnePattern.matcher(trackData);
if(matcher.find()) {
paymentMethod.setTrackNumber(TrackNumber.TrackOne);
paymentMethod.setPan(matcher.group(1));
paymentMethod.setExpiry(matcher.group(2));
paymentMethod.setDiscretionaryData(matcher.group(3));
paymentMethod.setTrackData(StringUtils.trimStart(matcher.group(), "%"));
}
}
return paymentMethod;
}
}