* @return the theme name
     * @throws ThemeException if theme name cannot be determined
     */
    protected String getThemeName(final Artifact artifact) {
        final String themeName = artifact.getName().substring(ArtifactType.THEME.getId().length() + 1);
        if (StringUtil.isBlank(themeName)) {
            throw new ThemeException("Theme name is empty: " + artifact);
        }
        return themeName;
    }

                    .setLocation(activation.getLocation("jdk")));
            return false;
        }

        if (jdk.startsWith("!")) {
            return !version.startsWith(jdk.substring(1));
        } else if (isRange(jdk)) {
            try {
                return isInRange(version, getRange(jdk));
            } catch (NumberFormatException e) {

    }

    private MethodLinkMetaData findMethod(String method) {
        if (method.endsWith("...)")) {
            // Should reuse the link parsing stuff from JavadocLinkConverter instead
            method = method.substring(0, method.length() - 4) + "[])";
        }

        MethodLinkMetaData metaData = methods.get(method);
        if (metaData != null) {
            return metaData;
        }

    // clipped part to get the length of the leading substring that is being removed.
    int substringFrom = levels;
    for (int i = 0; i < levels; i++) {
      substringFrom += parts.get(i).length();
    }
    String ancestorName = name.substring(substringFrom);

    return new InternetDomainName(ancestorName, ancestorParts);
  }

  /**

                boolean combine = checkCombineLines(line);
                if (combine) {
                    line = line.substring(0, line.length() - 1);
                }
                valueLines.add(line);
                while (!line.isEmpty() && contains(WHITE_SPACE, line.charAt(0))) {
                    line = line.substring(1, line.length());
                }
                buffer.append(line);
                if (!combine) {

                boolean combine = checkCombineLines(line);
                if (combine) {
                    line = line.substring(0, line.length() - 1);
                }
                valueLines.add(line);
                while (!line.isEmpty() && contains(WHITE_SPACE, line.charAt(0))) {
                    line = line.substring(1, line.length());
                }
                buffer.append(line);
                if (!combine) {

        }
        if (!replacement.startsWith(GROOVY_MATCHER)) {
            return (u, m) -> m.replaceAll(replacement);
        }
        final String template = replacement.substring(GROOVY_MATCHER.length());
        return (u, m) -> {
            final Map<String, Object> paramMap = new HashMap<>();
            paramMap.put("url", u);
            paramMap.put("matcher", m);

    }

    /**
     * Returns the string that has already been read.
     *
     * @return The string that has already been read.
     */
    public String getReadString() {
        return str.substring(0, colno - 1);
    }

    private int read() {
        if (colno >= str.length()) {
            return -1;
        }
        return str.charAt(colno++);
    }

    private void initVal() {

      return false // Wildcard pattern for single-label domain name -- not permitted.
    }

    // Hostname must end with the region of pattern following the asterisk.
    val suffix = pattern.substring(1)
    if (!hostname.endsWith(suffix)) {
      return false // Hostname does not end with the suffix.
    }

    // Check that asterisk did not match across domain name labels.

        assertArgumentNotNull("zipUrl", zipUrl);

        final String urlString = zipUrl.getPath();
        final int pos = urlString.lastIndexOf('!');
        final String zipFilePath = urlString.substring(0, pos);
        final File zipFile = new File(URLUtil.decode(zipFilePath, "UTF8"));
        return FileUtil.getCanonicalPath(zipFile);
    }

    /**
     * Closes the Zip file.
     * <p>