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Java implementation of the ISO 8583 protocol, focused on making the creation, edition and reading of
ISO8583 messages as simple and flexible as possible.
/*
* j8583 A Java implementation of the ISO8583 protocol
* Copyright (C) 2007 Enrique Zamudio Lopez
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package com.solab.iso8583.parse;
import com.solab.iso8583.CustomField;
import com.solab.iso8583.IsoType;
import com.solab.iso8583.IsoValue;
import com.solab.iso8583.util.Bcd;
import java.io.UnsupportedEncodingException;
import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
/**
* Blabla.
*
* @author Enrique Zamudio Date: 06/01/16 10:52 AM
*/
public class Date12ParseInfo extends DateTimeParseInfo {
/**
* Instantiates a new Date 12 parse info.
*/
public Date12ParseInfo() {
super(IsoType.DATE12, 12);
}
@Override
public IsoValue parse(final int field, final byte[] buf,
final int pos, final CustomField custom)
throws ParseException, UnsupportedEncodingException {
if (pos < 0) {
throw new ParseException(String.format("Invalid DATE12 field %d position %d",
field, pos), pos);
}
if (pos+12 > buf.length) {
throw new ParseException(String.format("Insufficient data for DATE12 field %d, pos %d",
field, pos), pos);
}
//A SimpleDateFormat in the case of dates won't help because of the missing data
//we have to use the current date for reference and change what comes in the buffer
Calendar cal = Calendar.getInstance();
//Set the month in the date
int year;
if (forceStringDecoding) {
year = Integer.parseInt(new String(buf, pos, 2, getCharacterEncoding()), 10);
cal.set(Calendar.MONTH, Integer.parseInt(new String(buf, pos, 2, getCharacterEncoding()), 10)-1);
cal.set(Calendar.DATE, Integer.parseInt(new String(buf, pos+2, 2, getCharacterEncoding()), 10));
cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(new String(buf, pos+4, 2, getCharacterEncoding()), 10));
cal.set(Calendar.MINUTE, Integer.parseInt(new String(buf, pos+6, 2, getCharacterEncoding()), 10));
cal.set(Calendar.SECOND, Integer.parseInt(new String(buf, pos+8, 2, getCharacterEncoding()), 10));
} else {
year = ((buf[pos] - 48) * 10) + buf[pos + 1] - 48;
cal.set(Calendar.MONTH, ((buf[pos+2] - 48) * 10) + buf[pos + 3] - 49);
cal.set(Calendar.DATE, ((buf[pos + 4] - 48) * 10) + buf[pos + 5] - 48);
cal.set(Calendar.HOUR_OF_DAY, ((buf[pos + 6] - 48) * 10) + buf[pos + 7] - 48);
cal.set(Calendar.MINUTE, ((buf[pos + 8] - 48) * 10) + buf[pos + 9] - 48);
cal.set(Calendar.SECOND, ((buf[pos + 10] - 48) * 10) + buf[pos + 11] - 48);
}
if (year > 50) {
cal.set(Calendar.YEAR, 1900+year);
} else {
cal.set(Calendar.YEAR, 2000+year);
}
cal.set(Calendar.MILLISECOND,0);
return createValue(cal, true);
}
@Override
public IsoValue parseBinary(final int field, final byte[] buf,
final int pos, final CustomField custom)
throws ParseException {
if (pos < 0) {
throw new ParseException(String.format("Invalid DATE12 field %d position %d",
field, pos), pos);
}
if (pos+6 > buf.length) {
throw new ParseException(String.format("Insufficient data for DATE12 field %d, pos %d",
field, pos), pos);
}
int[] tens = new int[6];
int start = 0;
for (int i = pos; i < pos + tens.length; i++) {
tens[start++] = Bcd.parseBcdLength(buf[i]);
}
Calendar cal = Calendar.getInstance();
//A SimpleDateFormat in the case of dates won't help because of the missing data
//we have to use the current date for reference and change what comes in the buffer
//Set the month in the date
if (tens[0] > 50) {
cal.set(Calendar.YEAR, 1900+tens[0]);
} else {
cal.set(Calendar.YEAR, 2000+tens[0]);
}
cal.set(Calendar.MONTH, tens[1] - 1);
cal.set(Calendar.DATE, tens[2]);
cal.set(Calendar.HOUR_OF_DAY, tens[3]);
cal.set(Calendar.MINUTE, tens[4]);
cal.set(Calendar.SECOND, tens[5]);
cal.set(Calendar.MILLISECOND,0);
return createValue(cal, true);
}
}