* @param <T> The type of the object
     * @param name The attribute name
     * @return The attribute value, or null if not found
     */
    @SuppressWarnings("unchecked")
    public static <T> T getObject(final String name) {
        return LaRequestUtil.getOptionalRequest().map(req -> (T) req.getAttribute(name)).orElse(null);
    }

    /**
     * Sets an error in the current request with the specified status code and message.
     *

    E[] array = createArrayWithNullElement();
    collection = getSubjectGenerator().create(array);
    assertTrue("add(nullPresent) should return true", getList().add(null));

    List<E> expected = copyToList(array);
    expected.add(null);
    expectContents(expected);
  }

  /**
   * Returns the {@link Method} instance for {@link #testAdd_supportedNullPresent()} so that tests

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetMessage() throws Exception {
        final String s = MessageFormatter.getMessage("EMSG0000");
        System.out.println(s);

        final StringBuilder sb = new StringBuilder();
        for (final CharSequence element : elements) {
            if (sb.length() > 0) {
                if (delimiter != null) {
                    sb.append(delimiter);
                } else {
                    sb.append("null");
                }
            }
            sb.append(element);
        }
        return sb.toString();
    }

    /**
     *
     */
    private static final long serialVersionUID = 7621650016319792189L;
    /**
     * Error message for null reference pointers.
     */
    public static final String NO_NULL_REF = "ref pointer cannot be null";

    /**
     * Error message for invalid array conformance.
     */
    public static final String INVALID_CONFORMANCE = "invalid array conformance";

    /**

     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        final String content = params.getOrDefault(ExtractData.RESOURCE_NAME_KEY, StringUtil.EMPTY);
        try {
            return new ExtractData(content);

     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")
            final VisioTextExtractor visioTextExtractor = new VisioTextExtractor(in);

        assertEquals("test2.txt", info2.getFileName());
    }

    @Test
    @DisplayName("Test NotifyResponse interface with null notification list")
    void testNotifyResponseWithNullList() {
        MockNotifyResponse response = new MockNotifyResponse(null);

        List<FileNotifyInformation> notifications = response.getNotifyInformation();

        assertNotNull(notifications);

        Map<String, List<String>> headers = new HashMap<>();
        headers.put(null, Arrays.asList("value"));
        headers.put("Content-Type", Arrays.asList("application/json"));

        response.setHeaders(headers);

        Map<String, List<String>> result = response.getHeaders();
        assertNotNull(result);
        assertEquals(1, result.size()); // null key should be filtered out
        assertTrue(result.containsKey("content-type"));

    @Test
    void testLsarDomainInfoEncodeDecodeWithNulls() throws NdrException {
        // Create a domain info with null fields
        lsarpc.LsarDomainInfo domainInfo = new lsarpc.LsarDomainInfo();
        domainInfo.name = new rpc.unicode_string();
        domainInfo.name.buffer = null;
        domainInfo.sid = null;

        // Encode to buffer
        byte[] buffer = new byte[1024];