// uniCenta oPOS - Touch Friendly Point Of Sale
// Copyright (c) 2009-2012 uniCenta
// http://www.unicenta.net/unicentaopos
//
// This file is part of uniCenta oPOS
//
// uniCenta oPOS is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// uniCenta oPOS is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with uniCenta oPOS. If not, see <http://www.gnu.org/licenses/>.
package com.openbravo.pos.payment;
import com.openbravo.pos.util.LuhnAlgorithm;
import com.openbravo.pos.util.StringUtils;
import java.util.ArrayList;
import java.util.List;
public final class MagCardReaderGeneric implements MagCardReader {
private String m_sHolderName;
private String m_sCardNumber;
private String m_sExpirationDate;
private StringBuilder track1;
private StringBuilder track2;
private StringBuilder track3;
private static final int READING_STARTSENTINEL1 = 0;
private static final int READING_STARTSENTINEL2 = 1;
private static final int READING_STARTSENTINEL3 = 2;
private static final int READING_CARDTYPE = 3;
private static final int READING_TRACK1 = 4;
private static final int READING_TRACK2 = 5;
private static final int READING_TRACK3 = 6;
private static final int READING_END = 7;
private int m_iAutomState;
private List m_aTrack1;
private List m_aTrack2;
private List m_aTrack3;
private StringBuilder m_sField;
private char m_cCardType;
/** Creates a new instance of GenericMagCardReader */
public MagCardReaderGeneric() {
reset();
}
@Override
public String getReaderName() {
return "Generic magnetic card reader";
}
@Override
public void reset() {
m_aTrack1 = null;
m_aTrack2 = null;
m_aTrack3 = null;
m_sField = null;
m_cCardType = ' ';
m_sHolderName = null;
m_sCardNumber = null;
m_sExpirationDate = null;
m_iAutomState = READING_STARTSENTINEL1;
}
@Override
public void appendChar(char c) {
// Mastercard
// %B1111222233334444^PUBLIC/JOHN?;1111222233334444=99121010000000000000?
// *---------------- ----------- ----***
// Visa
// %B1111222233334444^PUBLIC/JOHN^9912101xxxxxxxxxxxxx?;1111222233334444=9912101xxxxxxxxxxxxx?
// *---------------- ----------- ---- ***
if (c == '%') { // && READING_STARTSENTINEL1;
track1 = new StringBuilder();
track2 = new StringBuilder();
track3 = new StringBuilder();
m_aTrack1 = new ArrayList();
m_aTrack2 = null;
m_aTrack3 = null;
m_sField = new StringBuilder();
m_cCardType = ' ';
m_sHolderName = null;
m_sCardNumber = null;
m_sExpirationDate = null;
m_iAutomState = READING_CARDTYPE;
} else if (m_iAutomState == READING_CARDTYPE) {
m_cCardType = c;
m_iAutomState = READING_TRACK1;
} else if (c == ';' && m_iAutomState == READING_STARTSENTINEL2) {
m_aTrack2 = new ArrayList();
m_sField = new StringBuilder();
m_iAutomState = READING_TRACK2;
} else if (c == ';' && m_iAutomState == READING_STARTSENTINEL3) {
m_aTrack3 = new ArrayList();
m_sField = new StringBuilder();
m_iAutomState = READING_TRACK3;
} else if (c == '^' && m_iAutomState == READING_TRACK1) {
m_aTrack1.add(m_sField.toString());
m_sField = new StringBuilder();
} else if (c == '=' && m_iAutomState == READING_TRACK2) {
m_aTrack2.add(m_sField.toString());
m_sField = new StringBuilder();
} else if (c == '=' && m_iAutomState == READING_TRACK3) {
m_aTrack3.add(m_sField.toString());
m_sField = new StringBuilder();
} else if (c == '?' && m_iAutomState == READING_TRACK1) {
m_aTrack1.add(m_sField.toString());
m_sField = null;
m_iAutomState = READING_STARTSENTINEL2;
} else if (c == '?' && m_iAutomState == READING_TRACK2) {
m_aTrack2.add(m_sField.toString());
m_sField = null;
m_iAutomState = READING_STARTSENTINEL3;
checkTracks(); // aqui ya chequeamos los paramentros que leemos...
} else if (c == '?' && m_iAutomState == READING_TRACK3) {
m_aTrack3.add(m_sField.toString());
m_sField = null;
m_iAutomState = READING_END;
} else if (m_iAutomState == READING_TRACK1 || m_iAutomState == READING_TRACK2 || m_iAutomState == READING_TRACK3) {
m_sField.append(c);
}
if (m_iAutomState == READING_CARDTYPE || m_iAutomState == READING_TRACK1 || m_iAutomState == READING_STARTSENTINEL2) {
track1.append(c);
} else if (m_iAutomState == READING_TRACK2 || m_iAutomState == READING_STARTSENTINEL3) {
track2.append(c);
} else if (m_iAutomState == READING_TRACK3 || m_iAutomState == READING_END) {
track3.append(c);
}
}
private void checkTracks() {
// Test del tipo de tarjeta
if (m_cCardType != 'B') {
return;
}
// Lectura de los valores
String sCardNumber1 = (m_aTrack1 == null || m_aTrack1.size() < 1) ? null : (String) m_aTrack1.get(0);
String sCardNumber2 = (m_aTrack2 == null || m_aTrack2.size() < 1) ? null : (String) m_aTrack2.get(0);
String sHolderName = (m_aTrack1 == null || m_aTrack1.size() < 2) ? null : (String) m_aTrack1.get(1);
String sExpDate1 = (m_aTrack1 == null || m_aTrack1.size() < 3) ? null : ((String) m_aTrack1.get(2)).substring(0, 4);
String sExpDate2 = (m_aTrack2 == null || m_aTrack2.size() < 2) ? null : ((String) m_aTrack2.get(1)).substring(0, 4);
// Test del numero de tarjeta
if (!checkCardNumber(sCardNumber1) || (sCardNumber2 != null && !sCardNumber1.equals(sCardNumber2))) {
return;
}
// Test del nombre del propietario
if (sHolderName == null) {
return;
}
// Test de la fecha de expiracion
if ((sExpDate1 != null || !checkExpDate(sExpDate2)) && (!checkExpDate(sExpDate1) || !sExpDate1.equals(sExpDate2))) {
return;
}
m_sCardNumber = sCardNumber1;
m_sHolderName = formatHolderName(sHolderName);
String yymm = sExpDate1 == null ? sExpDate2 : sExpDate1;
m_sExpirationDate = yymm.substring(2, 4) + yymm.substring(0, 2); //MMYY format
}
private boolean checkCardNumber(String sNumber) {
return LuhnAlgorithm.checkCC(sNumber);
}
private boolean checkExpDate(String sDate) {
return ( sDate.length()==4 && StringUtils.isNumber(sDate.trim()) );
}
private String formatHolderName(String sName) {
int iPos = sName.indexOf('/');
if (iPos >= 0) {
return sName.substring(iPos + 1).trim() + ' ' + sName.substring(0, iPos);
} else {
return sName.trim();
}
}
@Override
public boolean isComplete() {
return m_sCardNumber != null;
}
@Override
public String getHolderName() {
return m_sHolderName;
}
@Override
public String getCardNumber() {
return m_sCardNumber;
}
@Override
public String getExpirationDate() {
return m_sExpirationDate;
}
@Override
public String getTrack1() {
return track1 == null ? null : track1.toString();
}
@Override
public String getTrack2() {
return track2 == null ? null : track2.toString();
}
@Override
public String getTrack3() {
return track3 == null ? null : track3.toString();
}
}