}

        @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) {
        if (dataClass == null) {
            // 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) {
        // 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) {
        // check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {
            throw new CrawlerSystemException(
                    "Transformer is invalid. Use " + accessResultData.getTransformerName() + ". This transformer is " + getName() + ".");
        }