InputStream inputStream = null;
try {
inputStream = openInputStream(accessor, codePage.trim(), eventProducer);
StructuredFieldReader structuredFieldReader
= new StructuredFieldReader(inputStream);
byte[] data;
while ((data = structuredFieldReader.getNext(CHARACTER_TABLE_SF)) != null) {
int position = 0;
byte[] gcgiBytes = new byte[8];
byte[] charBytes = new byte[2];
// Read data, ignoring bytes 0 - 2