public void testValidateInputStream(final InputStream in) {
            validateInputStream(in);
        }
    }

    private TestExtractor extractor;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        extractor = new TestExtractor();
    }

    /**
     * Test that validateInputStream accepts non-null input streams.
     */

     * @param params The parameters.
     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);
        try (final HSLFSlideShow slideShow = new HSLFSlideShow(in);
                final SlideShowExtractor<HSLFShape, HSLFTextParagraph> extractor = new SlideShowExtractor<>(slideShow)) {

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

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);
        try {
            final String content = new String(InputStreamUtil.getBytes(in), getEncoding());
            return new ExtractData(content);
        } catch (final Exception e) {

     * @param params The parameters.
     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);
        try (final HSSFWorkbook workbook = new HSSFWorkbook(in);
                final org.apache.poi.hssf.extractor.ExcelExtractor excelExtractor =

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

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        final StringBuilder buf = new StringBuilder(1000);

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

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();

    public int getWeight() {
        return 2; // Higher priority than TikaExtractor (weight=1)
    }

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

        try {
            final JsonNode rootNode = objectMapper.readTree(in);
            final StringBuilder textBuilder = new StringBuilder();

            assertNotNull(result);
            assertNotNull(result.getContent());
            assertTrue(result.getContent().contains("テスト"));
        }
    }

    /**
     * Test that validateInputStream throws appropriate exception for null input.
     */
    public void test_validateInputStream_throwsExceptionForNull() {
        final TextExtractor extractor = container.getComponent("textExtractor");

        textRenderer = TextContentRenderer.builder().build();
    }

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

        try {
            final String content = new String(InputStreamUtil.getBytes(in), getEncoding());
            final Node document = parser.parse(content);

            // Extract plain text

    public int getWeight() {
        return 2; // Higher priority than TikaExtractor (weight=1)
    }

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

        final Charset charset = getCharset(params);
        final List<String[]> rows = new ArrayList<>();
        String[] headers = null;