* and then reads the body into a byte array. This byte array is then set as the data
 * in the ResultData object.
 * </p>
 *
 * <p>
 * The getData method takes an AccessResultData object, checks if the transformer name matches,
 * and then returns the data as a ByteArrayInputStream.
 * </p>
 */
public class BinaryTransformer extends AbstractTransformer {

    /**

            org.eclipse.aether.metadata.Metadata metadata,
            ArtifactRepository repository) {
        if (metadata != null && metadata.getFile() != null && metadata.getFile().isFile()) {
            try {
                Map<String, ?> options = Collections.singletonMap(MetadataReader.IS_STRICT, Boolean.FALSE);

                Metadata repoMetadata = metadataReader.read(metadata.getFile(), options);

    /**
     * Returns data as XML content of String.
     *
     * @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)) {

        AccessResultImpl<Long> result = new AccessResultImpl<>();

        ResultData resultData = new ResultData();
        resultData.setTransformerName("TestTransformer");
        resultData.setData(new byte[0]); // Set data to avoid getData() error

        result.init(null, resultData);

        // CreateTime should be set
        assertNotNull(result.getCreateTime());

        }
        try {
            resultData.setData(path.getBytes(charsetName));
        } catch (final UnsupportedEncodingException e) {
            if (logger.isInfoEnabled()) {
                logger.info("Invalid charsetName: " + charsetName + ". Changed to " + Constants.UTF_8, e);
            }
            charsetName = Constants.UTF_8_CHARSET.name();
            resultData.setData(path.getBytes(Constants.UTF_8_CHARSET));
        }

     */
    byte[] getData();

    /**
     * Retrieves the data as a String.
     *
     * @return the data in String format.
     */
    String getDataAsString();

    /**
     * Sets the data for this AccessResultData instance.
     *
     * @param data the byte array containing the data to be set
     */
    void setData(byte[] data);

    /**

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

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

        public int getTransformCallCount() {
            return transformCallCount;
        }

     */
    public void setSerializer(final Function<Object, byte[]> serializer) {
        this.serializer = serializer;
    }

    /**
     * Get the data.
     * @return data
     */
    public byte[] getData() {
        if (data == null) {
            if (serializer == null || rawData == null) {
                throw new CrawlerSystemException("serializer or rawData is null");
            }

            try {
                resultData.setData(data.getBytes(charsetName));
            } catch (final UnsupportedEncodingException e) {
                if (logger.isInfoEnabled()) {
                    logger.info("Invalid charsetName: " + charsetName + ". Changed to " + Constants.UTF_8, e);
                }
                charsetName = Constants.UTF_8_CHARSET.name();
                resultData.setData(data.getBytes(Constants.UTF_8_CHARSET));

        final Metadata metadata = new Metadata();
        if (StringUtil.isNotEmpty(resourceName)) {
            metadata.set(ExtractData.RESOURCE_NAME_KEY, resourceName);
        }
        if (StringUtil.isNotBlank(contentType)) {
            metadata.set(ExtractData.CONTENT_TYPE, contentType);
        }
        if (StringUtil.isNotBlank(contentEncoding)) {