if (map != null) {
            final String[] queries = map.get(toLowerCase(query));
            if (queries != null) {
                return queries;
            }
        }
        return StringUtil.EMPTY_STRINGS;
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

                builder.field(CLUSTER_NAME, response.getClusterName());
            }
            if (fieldSet.contains(STATUS)) {
                builder.field(STATUS, response.getStatus().name().toLowerCase(Locale.ROOT));
            }
            if (fieldSet.contains(TIMED_OUT)) {
                builder.field(TIMED_OUT, response.isTimedOut());
            }
            if (fieldSet.contains(NUMBER_OF_NODES)) {

                return true;
            });
        }
        return Collections.emptyList();
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

        }
        dataStoreMap.put(name.toLowerCase(Locale.ROOT), dataStore);
        dataStoreMap.put(dataStore.getClass().getSimpleName().toLowerCase(Locale.ROOT), dataStore);
    }

    public DataStore getDataStore(final String name) {
        if (name == null) {
            return null;
        }
        return dataStoreMap.get(name.toLowerCase(Locale.ROOT));
    }

    public String[] getDataStoreNames() {

            }
            return contentList.toArray(new String[contentList.size()]);
        }
        return StringUtil.EMPTY_STRINGS;
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

    public void setRegexPrefix(final String regexPrefix) {
        this.regexPrefix = regexPrefix;
    }

    protected String name;

    public String getName() {
        if (name == null) {
            name = StringUtil.decamelize(this.getClass().getSimpleName().replace("Searcher", StringUtil.EMPTY)).toLowerCase(Locale.ENGLISH);
        }
        return name;
    }

    protected abstract SearchResult search(String query, SearchRequestParams params, OptionalThing<FessUserBean> userBean);

    }

    protected String toLowercaseWildcard(final String value) {
        if (lowercaseWildcard) {
            return value.toLowerCase(Locale.ROOT);
        }
        return value;
    }

    public void setLowercaseWildcard(final boolean lowercaseWildcard) {
        this.lowercaseWildcard = lowercaseWildcard;
    }

    }

    protected void processRequest(final HttpServletRequest request, final HttpServletResponse response, final String path) {
        if (StringUtil.isNotBlank(path)) {
            final String lowerPath = path.toLowerCase(Locale.ROOT);
            if (lowerPath.endsWith(".html")) {
                response.setContentType("text/html;charset=utf-8");
            } else if (lowerPath.endsWith(".txt")) {

        }
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {}", name);
        }
        scriptEngineMap.put(name.toLowerCase(Locale.ROOT), scriptEngine);
        scriptEngineMap.put(scriptEngine.getClass().getSimpleName().toLowerCase(Locale.ROOT), scriptEngine);
    }

    public ScriptEngine getScriptEngine(final String name) {
        if (name == null) {

    }

    protected String toLowercaseWildcard(final String value) {
        if (lowercaseWildcard) {
            return value.toLowerCase(Locale.ROOT);
        }
        return value;
    }

    public void setLowercaseWildcard(final boolean lowercaseWildcard) {
        this.lowercaseWildcard = lowercaseWildcard;
    }