}

    /**
     * Validates if the given URL string is a valid URL.
     *
     * @param urlStr the URL string to validate
     * @return true if the URL is valid, false otherwise
     */
    protected boolean isValidUrl(final String urlStr) {
        if (StringUtil.isBlank(urlStr)) {
            return false;
        }
        final String value;
        if (urlStr.startsWith("://")) {

FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfile.encoding=UTF-8"

# Application Configuration
if [ "x$APP_NAME" = "x" ]; then
  APP_NAME=fess
fi
if [ "x$SEARCH_ENGINE_HOME" = "x" ]; then
  SEARCH_ENGINE_HOME=$FESS_HOME/es
fi
if [ "x$FESS_TEMP_PATH" = "x" ]; then
  FESS_TEMP_PATH=$FESS_HOME/temp
fi
if [ "x$FESS_LOG_PATH" = "x" ]; then
  FESS_LOG_PATH=$FESS_HOME/logs
fi
if [ "x$FESS_LOG_LEVEL" = "x" ]; then
  FESS_LOG_LEVEL=warn
fi

        if (lastModifiedObj instanceof Date) {
            return (Date) lastModifiedObj;
        }
        if (lastModifiedObj instanceof String) {
            final Date lastModified = FessFunctions.parseDate(lastModifiedObj.toString());
            if (lastModified != null) {
                return lastModified;
            }

         * Commits the changes to the dictionary file.
         * If there is a pending new item, it is written to the file.
         *
         * @return The committed item, or null if no item was committed.
         * @throws DictionaryException if an I/O error occurs.
         */
        public StopwordsItem commit() {
            isCommit = true;
            if (item != null && item.isUpdated()) {
                try {

         * Commits the changes to the dictionary file.
         * If there is a pending new item, it is written to the file.
         *
         * @return The committed item, or null if no item was committed.
         * @throws DictionaryException if an I/O error occurs.
         */
        public StemmerOverrideItem commit() {
            isCommit = true;
            if (item != null && item.isUpdated()) {
                try {

     * @return the host name, or empty string if URL is blank, or unknown hostname if parsing fails
     */
    default String getHost(final String u) {
        if (StringUtil.isBlank(u)) {
            return StringUtil.EMPTY; // empty
        }

        String url = u;
        final String originalUrl = url;

        int idx = url.indexOf("://");
        if (idx >= 0) {
            url = url.substring(idx + 3);

     *
     * @param uri the namespace URI, or empty string if none
     * @param localName the local name without prefix, or empty string if namespace processing is not performed
     * @param qName the qualified name with prefix, or empty string if qualified names are not available
     * @param attributes the attributes attached to the element
     * @throws SAXException if a SAX error occurs or if the XML format is invalid
     */
    @Override

                while ((c = reader.read()) != -1) {
                    if (Character.isISOControl(c) || isSpaceChar(c)) {
                        if (duplicateTermRemoved) {
                            if (alphanumSize > 0) {
                                isSpace = removeLastDuplication(buf, alphanumSize, isSpace, termCache);
                            } else if (symbolSize > 0) {

            }
            if (values.length > 4 && "all".equals(values[4])) {
                return FormatType.SCROLL;
            }
            return FormatType.SEARCH;
        }
        if ("labels".equals(type)) {
            return FormatType.LABEL;
        }
        if ("popular-words".equals(type)) {
            return FormatType.POPULARWORD;
        }
        if ("favorites".equals(type)) {

    }

    @Override
    public boolean isAvailable() {
        if (available != null) {
            return available;
        }
        if (generatorList != null && !generatorList.isEmpty()) {
            String path = System.getenv("PATH");
            if (path == null) {
                path = System.getenv("Path");
            }
            if (path == null) {
                path = System.getenv("path");
            }