95 lines
3.5 KiB
Java
95 lines
3.5 KiB
Java
/*
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j8583 A Java implementation of the ISO8583 protocol
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Copyright (C) 2011 Enrique Zamudio Lopez
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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package com.solab.iso8583.parse;
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import java.io.UnsupportedEncodingException;
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import java.text.ParseException;
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import java.util.Calendar;
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import java.util.Date;
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import com.solab.iso8583.CustomField;
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import com.solab.iso8583.IsoType;
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import com.solab.iso8583.IsoValue;
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/** This class is used to parse TIME fields.
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*
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* @author Enrique Zamudio
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*/
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public class TimeParseInfo extends DateTimeParseInfo {
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public TimeParseInfo() {
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super(IsoType.TIME, 6);
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}
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@Override
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public <T> IsoValue<Date> parse(final int field, final byte[] buf,
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final int pos, final CustomField<T> custom)
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throws ParseException, UnsupportedEncodingException {
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if (pos < 0) {
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throw new ParseException(String.format("Invalid TIME field %d pos %d",
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field, pos), pos);
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} else if (pos+6 > buf.length) {
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throw new ParseException(String.format(
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"Insufficient data for TIME field %d, pos %d", field, pos), pos);
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}
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Calendar cal = Calendar.getInstance();
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if (forceStringDecoding) {
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cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(new String(buf, pos, 2, getCharacterEncoding()), 10));
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cal.set(Calendar.MINUTE, Integer.parseInt(new String(buf, pos+2, 2, getCharacterEncoding()), 10));
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cal.set(Calendar.SECOND, Integer.parseInt(new String(buf, pos+4, 2, getCharacterEncoding()), 10));
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} else {
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cal.set(Calendar.HOUR_OF_DAY, ((buf[pos] - 48) * 10) + buf[pos + 1] - 48);
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cal.set(Calendar.MINUTE, ((buf[pos + 2] - 48) * 10) + buf[pos + 3] - 48);
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cal.set(Calendar.SECOND, ((buf[pos + 4] - 48) * 10) + buf[pos + 5] - 48);
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}
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if (tz != null) {
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cal.setTimeZone(tz);
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}
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return new IsoValue<Date>(type, cal.getTime(), null);
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}
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@Override
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public <T> IsoValue<Date> parseBinary(final int field, final byte[] buf,
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final int pos, final CustomField<T> custom)
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throws ParseException {
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if (pos < 0) {
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throw new ParseException(String.format("Invalid bin TIME field %d pos %d",
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field, pos), pos);
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} else if (pos+3 > buf.length) {
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throw new ParseException(String.format(
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"Insufficient data for bin TIME field %d, pos %d", field, pos), pos);
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}
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int[] tens = new int[3];
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int start = 0;
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for (int i = pos; i < pos + 3; i++) {
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tens[start++] = (((buf[i] & 0xf0) >> 4) * 10) + (buf[i] & 0x0f);
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}
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Calendar cal = Calendar.getInstance();
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cal.set(Calendar.HOUR_OF_DAY, tens[0]);
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cal.set(Calendar.MINUTE, tens[1]);
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cal.set(Calendar.SECOND, tens[2]);
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if (tz != null) {
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cal.setTimeZone(tz);
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}
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return new IsoValue<Date>(type, cal.getTime(), null);
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}
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}
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