public TokenStream tokenStream(
String fieldName, Reader reader) {
// Tokenizer tokenizer = new LetterTokenizer(reader);
Tokenizer tokenizer = new CustomTokenizer(reader);
TokenStream stream = new StandardFilter(tokenizer);
stream = new LengthFilter(stream, 3, 100);
stream = new LowerCaseFilter(stream);
// stream = new StopFilter(true, stream, StopAnalyzer.ENGLISH_STOP_WORDS_SET);