}
        list.add(createFieldSortBuilder(fieldName, SortOrder.DESC.toString().equalsIgnoreCase(order) ? SortOrder.DESC : SortOrder.ASC));
        defaultSortBuilders = list.toArray(new SortBuilder[list.size()]);
    }

    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {

        return ComponentUtil.getQueryFieldConfig();
    }

    protected QueryProcessor getQueryProcessor() {
        return ComponentUtil.getQueryProcessor();
    }

    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {
        if (QueryFieldConfig.SCORE_FIELD.equals(field) || QueryFieldConfig.DOC_SCORE_FIELD.equals(field)) {
            return SortBuilders.scoreSort().order(order);
        }

                            "Invalid sort order: " + termQuery);
                }
            } else {
                sortOrder = SortOrder.ASC;
            }
            context.addSorts(createFieldSortBuilder(sortField, sortOrder));
        }));
        return null;
    }

    protected QueryBuilder convertDefaultTermQuery(final FessConfig fessConfig, final QueryContext context, final TermQuery termQuery,