public RecordInputStream(InputStream in) throws RecordFormatException {
this.in = in;
try {
nextSid = LittleEndian.readShort(in);
// Dont increment the pos just yet (technically we are at the start of
// the record stream until nextRecord is called).
} catch (IOException ex) {
throw new RecordFormatException("Error reading bytes", ex);
}
}
/**
* Moves to the next record in the stream.
*
* <p><i>Note: The auto continue flag is reset to true</i>
*/
public void nextRecord() throws RecordFormatException {
if ((currentLength != -1) && (currentLength != recordOffset)) {
System.out.println(
"WARN. Unread " + remaining() + " bytes of record 0x" + Integer.toHexString(currentSid));
}
currentSid = nextSid;
pos += LittleEndian.SHORT_SIZE;
autoContinue = true;
try {
recordOffset = 0;
currentLength = LittleEndian.readShort(in);
if (currentLength > MAX_RECORD_DATA_SIZE)
throw new RecordFormatException(
"The content of an excel record cannot exceed " + MAX_RECORD_DATA_SIZE + " bytes");
pos += LittleEndian.SHORT_SIZE;
in.read(data, 0, currentLength);
// Read the Sid of the next record
nextSid = LittleEndian.readShort(in);
} catch (IOException ex) {
throw new RecordFormatException("Error reading bytes", ex);
}
}
