}
    }

    public void test_getData() throws Exception {
        final AccessResultDataImpl accessResultData = new AccessResultDataImpl();
        accessResultData.setTransformerName("textTransformer");
        accessResultData.setData("xyz".getBytes());

        final Object obj = textTransformer.getData(accessResultData);
        assertNotNull(obj);
        assertTrue(obj instanceof String);

     */
    public static Map<String, Object> getDataMap(final AccessResultData<?> accessResultData) {
        // create input source
        final InputSource is = new InputSource(new ByteArrayInputStream(accessResultData.getData()));
        if (StringUtil.isNotBlank(accessResultData.getEncoding())) {
            is.setEncoding(accessResultData.getEncoding());
        }

        // create handler

    }

    /**
     * Retrieves data from the given AccessResultData object as a ByteArrayInputStream.
     * @param accessResultData The AccessResultData object.
     * @return A ByteArrayInputStream containing the data.
     */
    @Override
    public Object getData(final AccessResultData<?> accessResultData) {
        // check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {

        }

        @Override
        public Object getData(AccessResultData<?> accessResultData) {
            getDataCallCount.incrementAndGet();
            lastAccessResultData = accessResultData;

            if (accessResultData == null) {
                return null;
            }

            byte[] data = accessResultData.getData();
            return data != null ? new String(data) : null;
        }

     *
     * @return XML content of String.
     */
    @Override
    public Object getData(final AccessResultData<?> accessResultData) {
        if (dataClass == null) {
            return super.getData(accessResultData);
        }

        final Map<String, Object> dataMap = XmlUtil.getDataMap(accessResultData);
        if (Map.class.equals(dataClass)) {
            return dataMap;
        }

        try {

            resultData.setTransformerName(getName());
            return resultData;
        }

        @Override
        public Object getData(AccessResultData<?> accessResultData) {
            return accessResultData != null ? accessResultData.getData() : null;
        }

        public int getTransformCallCount() {
            return transformCallCount;
        }

     *
     */
    @Override
    public Object getData(final AccessResultData<?> accessResultData) {
        // check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {
            throw new CrawlerSystemException(
                    "Transformer is invalid. Use " + accessResultData.getTransformerName() + ". This transformer is " + getName() + ".");
        }

     */
    @Override
    public Object getData(final AccessResultData<?> accessResultData) {
        if (dataClass == null) {
            // check transformer name
            if (!getName().equals(accessResultData.getTransformerName())) {
                throw new CrawlerSystemException("Transformer is invalid. Use " + accessResultData.getTransformerName()
                        + ". This transformer is " + getName() + ".");

    }

    public void test_accessResultDataGetterSetter() {
        // Test access result data getter/setter
        AccessResultImpl<Long> result = new AccessResultImpl<>();

        AccessResultData<Long> data = new AccessResultDataImpl<>();
        result.setAccessResultData(data);
        assertEquals(data, result.getAccessResultData());
    }

    public void test_initWithResponseDataOnly() {

     *
     * @return the access result data
     */
    AccessResultData<IDTYPE> getAccessResultData();

    /**
     * Sets the data associated with the access result.
     *
     * @param accessResultData the access result data
     */
    void setAccessResultData(AccessResultData<IDTYPE> accessResultData);

    /**
     * Returns the content length of the accessed resource.
     *