DecodedInformation decodeGeneralPurposeField(int pos, String remaining) throws FormatException {
this.buffer.setLength(0);
if (remaining != null) {
this.buffer.append(remaining);
}
this.current.setPosition(pos);
DecodedInformation lastDecoded = parseBlocks();
if (lastDecoded != null && lastDecoded.isRemaining()) {
return new DecodedInformation(
this.current.getPosition(), this.buffer.toString(), lastDecoded.getRemainingValue());
}
return new DecodedInformation(this.current.getPosition(), this.buffer.toString());
}
@Override
public String parseInformation() throws NotFoundException {
if (this.getInformation().getSize() < HEADER_SIZE + GTIN_SIZE) {
throw NotFoundException.getNotFoundInstance();
}
StringBuilder buf = new StringBuilder();
encodeCompressedGtin(buf, HEADER_SIZE);
int lastAIdigit =
this.getGeneralDecoder()
.extractNumericValueFromBitArray(HEADER_SIZE + GTIN_SIZE, LAST_DIGIT_SIZE);
buf.append("(392");
buf.append(lastAIdigit);
buf.append(')');
DecodedInformation decodedInformation =
this.getGeneralDecoder()
.decodeGeneralPurposeField(HEADER_SIZE + GTIN_SIZE + LAST_DIGIT_SIZE, null);
buf.append(decodedInformation.getNewString());
return buf.toString();
}
String decodeAllCodes(StringBuilder buff, int initialPosition)
throws NotFoundException, FormatException {
int currentPosition = initialPosition;
String remaining = null;
do {
DecodedInformation info = this.decodeGeneralPurposeField(currentPosition, remaining);
String parsedFields = FieldParser.parseFieldsInGeneralPurpose(info.getNewString());
if (parsedFields != null) {
buff.append(parsedFields);
}
if (info.isRemaining()) {
remaining = String.valueOf(info.getRemainingValue());
} else {
remaining = null;
}
if (currentPosition == info.getNewPosition()) { // No step forward!
break;
}
currentPosition = info.getNewPosition();
} while (true);
return buff.toString();
}
