@Override
public int unpack(ISOComponent m, byte[] b) throws ISOException {
LogEvent evt = new LogEvent(this, "unpack");
int consumed = 0;
ISOComponent c;
// Unpack the fields
while (consumed < b.length) {
// Determine current tag
int i = consumed == 0 && fld[0] != null ? 0 : tagPrefixer.decodeLength(b, consumed);
if (!(i < fld.length) || fld[i] == null)
throw new ISOException("Unsupported sub-field " + i + " unpacking field " + m.getKey());
c = fld[i].createComponent(i);
consumed += fld[i].unpack(c, b, consumed);
if (logger != null) {
evt.addMessage(
"<unpack fld=\"" + i + "\" packager=\"" + fld[i].getClass().getName() + "\">");
evt.addMessage(" <value>" + c.getValue().toString() + "</value>");
evt.addMessage("</unpack>");
}
m.set(c);
}
Logger.log(evt);
return consumed;
}
@Override
public byte[] pack(ISOComponent c) throws ISOException {
byte[] tagBytes;
String tag = c.getValue().toString();
tagBytes = ISOUtil.hex2byte(tag);
if (tagBytes.length != getMaxPackedLength()) {
byte[] b = new byte[getMaxPackedLength()];
System.arraycopy(tagBytes, 0, b, b.length - tagBytes.length, tagBytes.length);
tagBytes = b;
}
return tagBytes;
}
public int unpack(ISOComponent m, byte[] b) throws ISOException {
LogEvent evt = new LogEvent(this, "unpack");
int consumed = 0;
for (int i = 0; consumed < b.length; i++) {
ISOComponent c = fld[i].createComponent(i);
consumed += fld[i].unpack(c, b, consumed);
if (logger != null) {
evt.addMessage(
"<unpack fld=\"" + i + "\" packager=\"" + fld[i].getClass().getName() + "\">");
evt.addMessage(" <value>" + c.getValue().toString() + "</value>");
evt.addMessage("</unpack>");
}
m.set(c);
}
Logger.log(evt);
return consumed;
}