@Override
public int unpack(ISOComponent c, byte[] b, int offset) throws ISOException {
try {
int len = prefixer.decodeLength(b, offset);
if (len == -1) {
// The prefixer doesn't know how long the field is, so use
// maxLength instead
len = getLength(b, offset);
}
int lenLen = prefixer.getPackedLength();
String unpacked = interpreter.uninterpret(b, offset + lenLen, len);
c.setValue(unpacked);
return lenLen + interpreter.getPackedLength(len);
} catch (Exception e) {
throw new ISOException(makeExceptionMessage(c, "unpacking"), e);
}
}
@Override
public byte[] pack(ISOComponent c) throws ISOException {
try {
String data = (String) c.getValue();
// System.out.println(data);
String paddedData = padder.pad(data, getLength());
byte[] rawData =
new byte
[prefixer.getPackedLength()
+ interpreter.getPackedLength(paddedData.getBytes().length)];
prefixer.encodeLength(paddedData.getBytes().length, rawData);
interpreter.interpret(paddedData, rawData, prefixer.getPackedLength());
return rawData;
} catch (Exception e) {
e.printStackTrace();
throw new ISOException(makeExceptionMessage(c, "packing"), e);
}
}
