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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) 2011 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 2.1 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 java.io.UnsupportedEncodingException;
import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
import com.solab.iso8583.CustomField;
import com.solab.iso8583.IsoType;
import com.solab.iso8583.IsoValue;
/** This class is used to parse TIME fields.
*
* @author Enrique Zamudio
*/
public class TimeParseInfo extends DateTimeParseInfo {
public TimeParseInfo() {
super(IsoType.TIME, 6);
}
@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 TIME field %d pos %d",
field, pos), pos);
} else if (pos+6 > buf.length) {
throw new ParseException(String.format(
"Insufficient data for TIME field %d, pos %d", field, pos), pos);
}
Calendar cal = Calendar.getInstance();
if (forceStringDecoding) {
cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(new String(buf, pos, 2, getCharacterEncoding()), 10));
cal.set(Calendar.MINUTE, Integer.parseInt(new String(buf, pos+2, 2, getCharacterEncoding()), 10));
cal.set(Calendar.SECOND, Integer.parseInt(new String(buf, pos+4, 2, getCharacterEncoding()), 10));
} else {
cal.set(Calendar.HOUR_OF_DAY, ((buf[pos] - 48) * 10) + buf[pos + 1] - 48);
cal.set(Calendar.MINUTE, ((buf[pos + 2] - 48) * 10) + buf[pos + 3] - 48);
cal.set(Calendar.SECOND, ((buf[pos + 4] - 48) * 10) + buf[pos + 5] - 48);
}
if (tz != null) {
cal.setTimeZone(tz);
}
return new IsoValue(type, cal.getTime(), null);
}
@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 bin TIME field %d pos %d",
field, pos), pos);
} else if (pos+3 > buf.length) {
throw new ParseException(String.format(
"Insufficient data for bin TIME field %d, pos %d", field, pos), pos);
}
int[] tens = new int[3];
int start = 0;
for (int i = pos; i < pos + 3; i++) {
tens[start++] = (((buf[i] & 0xf0) >> 4) * 10) + (buf[i] & 0x0f);
}
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, tens[0]);
cal.set(Calendar.MINUTE, tens[1]);
cal.set(Calendar.SECOND, tens[2]);
if (tz != null) {
cal.setTimeZone(tz);
}
return new IsoValue(type, cal.getTime(), null);
}
}