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jPOS is an ISO-8583 based financial transaction
library/framework that can be customized and
extended in order to implement financial interchanges.
/*
* jPOS Project [http://jpos.org]
* Copyright (C) 2000-2023 jPOS Software SRL
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see
* 0 hlen; Fld 1: Header Length 1B (Byte 0)
* 1 hformat; Fld 2: Header Format 8N,bit (Byte 1)
* 2 format; Fld 3: Text Format 1B (Byte 2)
* 3 len[2]; Fld 4: Total Message Length 2B (Byte 3- 4)
* 5 dstId[3]; Fld 5: Destination Id 6N,BCD (Byte 5- 7)
* 8 srcId[3]; Fld 6: Source Id 6N,BCD (Byte 8-10)
* 11 rtCtl; Fld 7: Round-Trip Ctrl Info 8N,bit (Byte 11)
* 12 flags[2]; Fld 8: BASE I Flags 16N,bit (Byte 12-13)
* 14 status[3]; Fld 9: Message Status Flags 24bits (Byte 14-16)
* 17 batchNbr; Fld 10: Batch Number 1B (Byte 17)
* 18 reserved[3]; Fld 11: Reserved 3B (Byte 18-20)
* 21 userInfo; Fld 12: User Info 1B (Byte 21)
* The following fields are only presend in a reject message
* 22 bitmap; Fld 13: Bitmap 2B (Byte 22-23)
* 24 rejectdata; Fld 14: Reject Data Group 2B (Byte 24-25)
*
*
*/
public class BASE1Header extends BaseHeader {
private static final long serialVersionUID = 6466427524726021374L;
public static final int LENGTH = 22;
public BASE1Header() {
this("000000", "000000");
}
public BASE1Header(String source, String destination) {
super();
header = new byte[LENGTH];
header[0] = LENGTH; // hlen
setHFormat(1);
setFormat(2);
setSource(source);
setDestination(destination);
}
public BASE1Header(String source, String destination, int format) {
super();
header = new byte[LENGTH];
header[0] = LENGTH; // hlen
setHFormat(1);
setFormat(format);
setSource(source);
setDestination(destination);
}
public BASE1Header(byte[] header) {
super(header);
}
public int getHLen() {
return header[0] & 0xFF;
}
public void setHFormat(int hformat) {
header[1] = (byte) hformat;
}
public int getFormat() {
return header[2] & 0xFF;
}
public void setRtCtl(int i) {
header[11] = (byte) i;
}
public void setFlags(int i) {
header[12] = (byte) (i >> 8 & 0xFF);
header[13] = (byte) (i & 0xFF);
}
public void setStatus(int i) {
header[14] = (byte) (i >> 16 & 0xFF);
header[15] = (byte) (i >> 8 & 0xFF);
header[16] = (byte) (i & 0xFF);
}
public void setBatchNumber(int i) {
header[17] = (byte) (i & 0xFF);
}
public void setFormat(int format) {
header[2] = (byte) format;
}
public void setLen(int len) {
len += header.length;
header[3] = (byte) (len >> 8 & 0xff);
header[4] = (byte) (len & 0xff);
}
public void setDestination(String dest) {
byte[] d = ISOUtil.str2bcd(dest, true);
System.arraycopy(d, 0, header, 5, 3);
}
public void setSource(String src) {
byte[] d = ISOUtil.str2bcd(src, true);
System.arraycopy(d, 0, header, 8, 3);
}
public String getSource() {
return ISOUtil.bcd2str (this.header, 8, 6, false);
}
public String getDestination() {
return ISOUtil.bcd2str (this.header, 5, 6, false);
}
public void swapDirection() {
if (header != null && header.length >= LENGTH) {
byte[] source = new byte[3];
System.arraycopy(header, 8, source, 0, 3);
System.arraycopy(header, 5, header, 8, 3);
System.arraycopy(source, 0, header, 5, 3);
}
}
public boolean isRejected() {
// Header length must be 26 or gerater
// And header field 13 bit 1 must be 1 (field 13 starts at byte 22)
return getLength() >= 26 && (header[22] & 0x80) == 0x80;
}
/**
* Gets the BASE 1 Reject Code.
*
* @return If the message is a reject return the Reject Code Otherwise return ""
*/
public String getRejectCode() {
return isRejected() ? ISOUtil.bcd2str (this.header, 24, 4, false) : "";
}
/*
* parse header contributed by [email protected] in jpos-dev mailing list
*/
public String formatHeader() {
String h = ISOUtil.hexString(this.header);
String lf = System.getProperty("line.separator");
StringBuffer d = new StringBuffer();
d.append(lf);
d.append("[H 01] "); d.append(h.substring(0, 2)); d.append(lf);
d.append("[H 02] "); d.append(h.substring(2, 4)); d.append(lf);
d.append("[H 03] "); d.append(h.substring(4, 6)); d.append(lf);
d.append("[H 04] "); d.append(h.substring(6, 10)); d.append(lf);
d.append("[H 05] "); d.append(h.substring(10, 16)); d.append(lf);
d.append("[H 06] "); d.append(h.substring(16, 22)); d.append(lf);
d.append("[H 07] "); d.append(h.substring(22, 24)); d.append(lf);
d.append("[H 08] "); d.append(h.substring(24, 28)); d.append(lf);
d.append("[H 09] "); d.append(h.substring(28, 34)); d.append(lf);
d.append("[H 10] "); d.append(h.substring(34, 36)); d.append(lf);
d.append("[H 11] "); d.append(h.substring(36, 42)); d.append(lf);
d.append("[H 12] "); d.append(h.substring(42, 44)); d.append(lf);
if (isRejected()) {
d.append("[H 13] "); d.append(h.substring(44, 46)); d.append(lf);
d.append("[H 14] "); d.append(h.substring(46, 48)); d.append(lf);
}
return d.toString();
}
}
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