*
 * @see TextNormalizeContext
 */
public final class TextUtil {
    private static final Logger logger = LogManager.getLogger(TextUtil.class);

    private TextUtil() {
    }

    /**
     * This class provides a context for normalizing text.
     */
    public static class TextNormalizeContext {

        private final Reader reader;

        private int initialCapacity = 10000;

    static final char PROPERTY_START = '.';

    static final char INDEXED_START = '[';

    static final char INDEXED_END = ']';

    static final char MAPPED_START = '(';

    static final char MAPPED_END = ')';

    static class Tokenizer {
        final String expression;

        int idx;

        Tokenizer(String expression) {
            this.expression = expression;
        }

     * @return the Path object pointing to the requested resource
     */
    protected static Path getPath(final String root, final String base, final String... names) {

        try {
            final ServletContext servletContext = ComponentUtil.getComponent(ServletContext.class);
            final String webinfPath = servletContext.getRealPath("/" + root + base);

    protected static final Pattern ALLOW_RECORD = Pattern.compile("^allow:\\s*([^\\s]*)\\s*$", Pattern.CASE_INSENSITIVE);

    /** Pattern for parsing crawl-delay records. */
    protected static final Pattern CRAWL_DELAY_RECORD = Pattern.compile("^crawl-delay:\\s*([^\\s]+)\\s*$", Pattern.CASE_INSENSITIVE);

    /**
     * Pattern for Sitemap record.
     */

    private static final Logger logger = LogManager.getLogger(FileSystemClient.class);

    /** Key for file attribute view in metadata */
    public static final String FILE_ATTRIBUTE_VIEW = "fileAttributeView";

    /** Key for file user in metadata */
    public static final String FS_FILE_USER = "fsFileUser";

    /** Key for file groups in metadata */
    public static final String FS_FILE_GROUPS = "fsFileGroups";

     */
    public PathMappingHelper() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(PathMappingHelper.class);

    /** Function matcher for encode URL. */
    protected static final String FUNCTION_ENCODEURL_MATCHER = "function:encodeUrl";

    /** Groovy matcher prefix. */
    protected static final String GROOVY_MATCHER = "groovy:";

    /** Map of path mappings by process type. */

  static final RuntimeException RUNTIME_EXCEPTION = new RuntimeException();
  static final OtherThrowable OTHER_THROWABLE = new OtherThrowable();
  static final Future<String> FAILED_FUTURE_OTHER_THROWABLE =
      immediateFailedFuture(OTHER_THROWABLE);
  static final Error ERROR = new Error("mymessage");
  static final Future<String> FAILED_FUTURE_ERROR = immediateFailedFuture(ERROR);

        final Properties outProperties = new Properties();
        outProperties.setProperty("a", "A");
        final File file = tempFolder.newFile("hoge.properties");
        final FileOutputStream outputStream = OutputStreamUtil.create(file);
        PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);
        final Properties properties = new Properties();

     */
    public final void setAdditionalInformation(final int additionalInformation) {
        this.additionalInformation = additionalInformation;
    }

    /**
     * Sets the query flags for the information request
     *
     * @param queryFlags
     *            the queryFlags to set
     */
    public final void setQueryFlags(final int queryFlags) {
        this.queryFlags = queryFlags;

     * @param encoding the encoding of the child URLs
     */
    protected void storeChildUrls(final CrawlerContext crawlerContext, final Set<RequestData> childUrlList, final String url,
            final int depth, final String encoding) {
        // add url and filter
        final Set<String> urlSet = new HashSet<>();
        final List<UrlQueue<?>> childList = childUrlList.stream()