/**
* Update the header (index 10-11) with the length of one record
*
* @param recordLength Length of one data record (row)
*/
public void setRecordLength(RandomAccessFile ff, int recordLength) throws tinySQLException {
this.recordLength = recordLength;
try {
ff.seek(DBFHeader.LENGTH_OF_REC_INDEX);
ff.write(Utils.shortToLittleEndian((short) recordLength));
} catch (Exception e) {
throw new tinySQLException(e.getMessage());
}
}
/**
* Update the header (index 8-9) with the new number of records
*
* @param numFields number of columns (used to calculate header length)
*/
public void setHeaderLength(RandomAccessFile ff, int numFields) throws tinySQLException {
this.numFields = numFields;
try {
int headerLength = (DBFHeader.BULK_SIZE + 1) + numFields * DBFHeader.BULK_SIZE;
ff.seek(DBFHeader.LENGTH_OF_HEADER_INDEX);
ff.write(Utils.shortToLittleEndian((short) headerLength));
} catch (Exception e) {
throw new tinySQLException(e.getMessage());
}
}