nBestCost = settings.getAsInt(NBEST_COST, -1);
        nBestExamples = settings.get(NBEST_EXAMPLES);
    }

    private static String parse(String rule, Set<String> dup) {
        String[] values = CSVUtil.parse(rule);
        if (dup.add(values[0]) == false) {
            throw new IllegalArgumentException("Found duplicate term [" + values[0] + "] in user dictionary.");
        }
        return rule;

    /**
     * Parses the given query log and returns a list of suggest items.
     *
     * @param queryLog the query log to parse
     * @param fields the fields to extract from the query log
     * @param tagFieldNames the names of the fields to use as tags
     * @param roleFieldName the name of the field to use for roles

     * @param req
     *            The request being serviced.
     * @param resp
     *            The response.
     * @param challenge
     *            The domain controller challenge.
     * @return credentials passed in the servlet request
     * @throws IOException
     *             If an IO error occurs.
     */

     */
    public void secureWipeKeys() {
        if (this.encryptionKey != null) {
            // Multi-pass secure wipe for enhanced security
            SecureKeyManager.secureWipe(this.encryptionKey);
            this.encryptionKey = null;
        }
        if (this.decryptionKey != null) {
            // Multi-pass secure wipe for enhanced security
            SecureKeyManager.secureWipe(this.decryptionKey);

        // nothing
    }

    /**
     * Parses parameter string into a map.
     *
     * @param value the parameter string
     * @return the parameter map
     */
    public static Map<String, String> parse(final String value) {
        final Map<String, String> paramMap = new LinkedHashMap<>();
        if (value != null) {
            int unknownKey = 0;

 */
public abstract class KerberosAuthData {

    /**
     * Default constructor for KerberosAuthData.
     */
    protected KerberosAuthData() {
        // Default constructor
    }

    /**
     * Parse Kerberos authorization data based on the authorization type.
     *
     * @param authType the type of authorization data
     * @param token the authorization data token
     * @param keys the Kerberos keys for decryption

     */
    public static void parse(final SAXParser parser, final InputSource inputSource, final DefaultHandler handler) {
        assertArgumentNotNull("parser", parser);
        assertArgumentNotNull("inputSource", inputSource);
        assertArgumentNotNull("handler", handler);

        try {
            parser.parse(inputSource, handler);
        } catch (final SAXException e) {

        if (handlerParameterMap == null) {
            handlerParameterMap = ParameterUtil.parse(getHandlerParameter());
        }
        return handlerParameterMap;
    }

    public Map<String, String> getHandlerScriptMap() {
        if (handlerScriptMap == null) {
            handlerScriptMap = ParameterUtil.parse(getHandlerScript());
        }
        return handlerScriptMap;
    }

    @Override

    }

    /**
     * Constructs a NegTokenTarg by parsing the provided token bytes
     * @param token the SPNEGO token bytes to parse
     * @throws IOException if parsing fails
     */
    public NegTokenTarg(final byte[] token) throws IOException {
        parse(token);
    }

    /**
     * Gets the negotiation result code
     * @return the result code
     */
    public int getResult() {

            File file = null;
            try {
                file = new File(new URI(filePath));
            } catch (final URISyntaxException e) {
                logger.warn("Failed to parse file URI: uri={}, filePath={}", uri, filePath, e);
            }

            if (file == null) {
                responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);