}

    @SuppressWarnings("unchecked")
    default Tuple3<String, String, String>[] getVirtualHosts() {
        Tuple3<String, String, String>[] hosts = (Tuple3<String, String, String>[]) propMap.get(VIRTUAL_HOST_HEADERS);
        if (hosts == null) {
            hosts = split(getVirtualHostHeaderValue(), "\n").get(stream -> stream.map(s -> {
                final String[] v1 = s.split("=");
                if (v1.length == 2) {

        }
        return OptionalEntity.empty();
    }

    /**
     * Converts a form to a WebConfig entity with proper user and timestamp information.
     * Also processes permissions and virtual hosts from form fields.
     *
     * @param form the form containing the web config data
     * @return an optional WebConfig entity with updated metadata
     */

labels.max_access_count=Max Access Count
labels.number_of_thread=Number of Threads
labels.interval_time=Interval
labels.millisec=msec
labels.permissions=Permissions
labels.virtual_hosts=Virtual Hosts
labels.virtual_host=Virtual Host
labels.label_type=Label
labels.file_crawling_button_create=Create
labels.file_crawling_button_create_job=Create New Job
labels.web_crawling_configuration=Web Crawling

labels.max_access_count=Número máximo de acessos
labels.number_of_thread=Número de threads
labels.interval_time=Intervalo
labels.millisec=milissegundos
labels.permissions=Permissões
labels.virtual_hosts=Hosts virtuais
labels.virtual_host=Host virtual
labels.label_type=Rótulo
labels.file_crawling_button_create=Criar
labels.file_crawling_button_create_job=Criar novo trabalho
labels.web_crawling_configuration=Rastreamento da Web

application/vnd.ms-powerpoint=powerpoint\n\
application/vnd.openxmlformats-officedocument.presentationml.presentation=powerpoint\n\
application/vnd.oasis.opendocument.text=odt\n\
application/vnd.oasis.opendocument.spreadsheet=ods\n\
application/vnd.oasis.opendocument.presentation=odp\n\
application/pdf=pdf\n\
application/x-fictionbook+xml=fb2\n\
application/e-pub+zip=epub\n\
application/x-ibooks+zip=ibooks\n\

        return designJspFileNameMap.entrySet().stream().map(e -> new Pair<>(e.getKey(), e.getValue())).toArray(n -> new Pair[n]);
    }

    /**
     * Refreshes the design JSP files for all virtual hosts.
     *
     * @return A list of paths to the refreshed files.
     */
    public List<Path> refreshDesignJspFiles() {
        final List<Path> fileList = new ArrayList<>();

     * application/vnd.ms-powerpoint=powerpoint<br>
     * application/vnd.openxmlformats-officedocument.presentationml.presentation=powerpoint<br>
     * application/vnd.oasis.opendocument.text=odt<br>
     * application/vnd.oasis.opendocument.spreadsheet=ods<br>
     * application/vnd.oasis.opendocument.presentation=odp<br>
     * application/pdf=pdf<br>
     * application/x-fictionbook+xml=fb2<br>
     * application/e-pub+zip=epub<br>

labels.max_access_count=Número máximo de accesos
labels.number_of_thread=Número de hilos
labels.interval_time=Intervalo
labels.millisec=milisegundos
labels.permissions=Permisos
labels.virtual_hosts=Hosts virtuales
labels.virtual_host=Host virtual
labels.label_type=Etiqueta
labels.file_crawling_button_create=Crear
labels.file_crawling_button_create_job=Crear nuevo trabajo
labels.web_crawling_configuration=Rastreo web

    /** Permissions field name. */
    public static final String PERMISSIONS = "permissions";

    /** Queries field name. */
    public static final String QUERIES = "queries";

    /** Virtual hosts field name. */
    public static final String VIRTUAL_HOSTS = "virtualHosts";

    /** Prefix for encrypted/ciphered values. */
    public static final String CIPHER_PREFIX = "{cipher}";

    protected Client createHttpClient(final FessConfig fessConfig, final String host) {
        final String[] hosts =
                split(host, ",").get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));
        final Builder builder = Settings.builder()
                .putList("http.hosts", hosts)
                .put("processors", fessConfig.availableProcessors())