protected QueryBuilder convertPrefixQuery(final QueryContext context, final PrefixQuery prefixQuery, final float boost) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String field = getSearchField(context.getDefaultField(), prefixQuery.getField());
        final String text = prefixQuery.getPrefix().text();

        if (Constants.DEFAULT_FIELD.equals(field)) {
            context.addFieldLog(field, text + "*");

    protected QueryBuilder convertTermRangeQuery(final QueryContext context, final TermRangeQuery termRangeQuery, final float boost) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String field = getSearchField(context.getDefaultField(), termRangeQuery.getField());

        if (!isSearchField(field)) {
            final StringBuilder queryBuf = new StringBuilder();

    protected QueryBuilder convertWildcardQuery(final QueryContext context, final WildcardQuery wildcardQuery, final float boost) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String field = getSearchField(context.getDefaultField(), wildcardQuery.getField());
        if (Constants.DEFAULT_FIELD.equals(field)) {
            final String text = wildcardQuery.getTerm().text();
            context.addFieldLog(field, text);

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final Term term = fuzzyQuery.getTerm();
        final String field = getSearchField(context.getDefaultField(), term.field());

        if (Constants.DEFAULT_FIELD.equals(field)) {
            final String text = term.text();
            context.addFieldLog(field, text);

        ) {
            return QueryBuilders.prefixQuery(f, text);
        }
        return QueryBuilders.matchPhraseQuery(f, text);
    }

    protected String getSearchField(final String defaultField, final String field) {
        if (Constants.DEFAULT_FIELD.equals(field) && defaultField != null) {
            return defaultField;
        }
        return field;
    }

                "Unknown q: " + query.getClass() + " => " + query);
    }

    protected QueryBuilder convertTermQuery(final QueryContext context, final TermQuery termQuery, final float boost) {
        final String field = getSearchField(context.getDefaultField(), termQuery.getTerm().field());
        final String text = termQuery.getTerm().text();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();