public DefaultContentsParser() {
        maxAnalyzedContentLength = Integer.getInteger("fess.suggest.max.analyzed.content.length", 1000);
    }

    @Override
    public SuggestItem parseSearchWords(final String[] words, final String[][] readings, final String[] fields, final String[] tags,
            final String[] roles, final long score, final ReadingConverter readingConverter, final Normalizer normalizer,

            }
            prev = c;
        }
        final String[] words = buf.toString().trim().split(" ");
        try {
            final SuggestItem item =
                    contentsParser.parseSearchWords(words, null, fields, tags, roles, num, readingConverter, normalizer, analyzer, langs);
            if (item == null) {
                return new SuggestIndexResponse(0, 1, null, System.currentTimeMillis() - start);