70 lines
2.1 KiB
Java
70 lines
2.1 KiB
Java
/*
|
|
* 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 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.codecs;
|
|
|
|
import com.solab.iso8583.CustomBinaryField;
|
|
import com.solab.iso8583.util.Bcd;
|
|
|
|
/**
|
|
* A custom field encoder/decoder to be used with LLBIN/LLLBIN fields
|
|
* that contain Longs in BCD encoding.
|
|
*
|
|
* @author Enrique Zamudio
|
|
* Date: 07/05/13 13:02
|
|
*/
|
|
public class LongBcdCodec implements CustomBinaryField<Long> {
|
|
|
|
private final boolean rightPadded;
|
|
|
|
public LongBcdCodec() {
|
|
this(false);
|
|
}
|
|
public LongBcdCodec(boolean rightPadding) {
|
|
rightPadded = rightPadding;
|
|
}
|
|
|
|
@Override
|
|
public Long decodeBinaryField(byte[] value, int pos, int length) {
|
|
return rightPadded ? Bcd.decodeRightPaddedToLong(value, pos, length*2)
|
|
: Bcd.decodeToLong(value, pos, length*2);
|
|
}
|
|
|
|
@Override
|
|
public byte[] encodeBinaryField(Long value) {
|
|
final String s = Long.toString(value, 10);
|
|
final byte[] buf = new byte[s.length() / 2 + s.length() % 2];
|
|
if (rightPadded) {
|
|
Bcd.encodeRightPadded(s, buf);
|
|
} else {
|
|
Bcd.encode(s, buf);
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
@Override
|
|
public Long decodeField(String value) {
|
|
return Long.parseLong(value, 10);
|
|
}
|
|
|
|
@Override
|
|
public String encodeField(Long value) {
|
|
return value.toString();
|
|
}
|
|
}
|