}

    @Override
    protected LocalDateTime toLocalDateTime(final Object value) {
        if (value != null) {
            try {
                final Instant instant = Instant.from(DateTimeFormatter.ISO_INSTANT.parse(value.toString()));
                return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
            } catch (final DateTimeParseException e) {
                logger.debug("Invalid date format: {}", value, e);

    }

    @Override
    protected LocalDateTime toLocalDateTime(final Object value) {
        if (value != null) {
            try {
                final Instant instant = Instant.from(DateTimeFormatter.ISO_INSTANT.parse(value.toString()));
                return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
            } catch (final DateTimeParseException e) {
                logger.debug("Invalid date format: {}", value, e);

    }

    @Override
    public Object getAsObject(final String value) {
        if (StringUtil.isEmpty(value)) {
            return null;
        }
        try {
            return new DecimalFormat(pattern).parse(value);
        } catch (final ParseException e) {
            throw new ParseRuntimeException(e);
        }

    }

    @Override
    public String getAsString(final Object value) {

        final InputSource is = new InputSource(ResourceUtil.getResourceAsStream("org/codelibs/core/xml/include.xml"));
        is.setSystemId("include.xml");
        parser.parse(is, new DefaultHandler() {

            @Override
            public void startElement(final String uri, final String localName, final String qName, final Attributes attributes)
                    throws SAXException {

        final GsaConfigParser configParser = ComponentUtil.getComponent(GsaConfigParser.class);
        try (final InputStream in = new FileInputStream(tempFile)) {
            configParser.parse(new InputSource(in));
        } catch (final IOException e) {
            logger.warn("Failed to process gsa.xml file: {}", fileName, e);
        } finally {
            deleteTempFile(tempFile);
        }

            try {
                return requestManager.getParameter(name).filter(StringUtil::isNotBlank).map(LocaleUtils::toLocale);
            } catch (final Exception e) {
                logger.debug("Failed to parse a value of {}.", name, e);
            }
        }
        return OptionalObject.empty();
    }

    @Override
    public OptionalThing<Locale> getRequestedLocale(final RequestManager requestManager) {

      for (i in 0 until headerBlock.size) {
        val name = headerBlock.name(i)
        val value = headerBlock.value(i)
        if (name == RESPONSE_STATUS_UTF8) {
          statusLine = StatusLine.parse("HTTP/1.1 $value")
        } else if (name !in HTTP_2_SKIPPED_RESPONSE_HEADERS) {
          headersBuilder.addLenient(name, value)
        }
      }

    checkFromStringCase("google.com:25\t", 1, null, 99, false);
    checkFromStringCase("google.com:0x25 ", 1, null, 99, false);
  }

  public void testFromStringUnparseableNonsense() {
    // Some nonsense that causes parse failures.
    checkFromStringCase("[goo.gl]", 1, null, 99, false);
    checkFromStringCase("[goo.gl]:80", 1, null, 99, false);
    checkFromStringCase("[", 1, null, 99, false);
    checkFromStringCase("[]:", 1, null, 99, false);

    checkFromStringCase("google.com:25\t", 1, null, 99, false);
    checkFromStringCase("google.com:0x25 ", 1, null, 99, false);
  }

  public void testFromStringUnparseableNonsense() {
    // Some nonsense that causes parse failures.
    checkFromStringCase("[goo.gl]", 1, null, 99, false);
    checkFromStringCase("[goo.gl]:80", 1, null, 99, false);
    checkFromStringCase("[", 1, null, 99, false);
    checkFromStringCase("[]:", 1, null, 99, false);

                                    logger.warn("Failed to parse {}", mapping);
                                }
                            } else {
                                logger.warn("Unknown mapping type: {}={}", key, mapping);
                            }
                        } catch (final Exception e) {
                            logger.warn("Failed to parse {}", values[0], e);
                        }