Reader reader) {
if (matchVersion.onOrAfter(Version.LUCENE_36)) {
final Tokenizer source = new StandardTokenizer(matchVersion, reader);
// run the widthfilter first before bigramming, it sometimes combines characters.
TokenStream result = new CJKWidthFilter(source);
result = new LowerCaseFilter(matchVersion, result);
result = new CJKBigramFilter(result);
return new TokenStreamComponents(source, new StopFilter(matchVersion, result, stopwords));
} else {
final Tokenizer source = new CJKTokenizer(reader);
return new TokenStreamComponents(source, new StopFilter(matchVersion, source, stopwords));