/**
 * <p>
 * FileTransformer stores the content of a crawled resource as a file on the file system.
 * It extends HtmlTransformer and provides functionality to:
 * </p>
 * <ul>
 *     <li>Specify a base directory for storing files.</li>
 *     <li>Generate file paths from URLs, replacing special characters.</li>
 *     <li>Handle duplicated file paths by appending a counter.</li>
 *     <li>Store the file path in the result data.</li>

            final String outExt = getOutputExtension(extension);
            outputFile = createTempFile("cmdextout_" + filePrefix + "_", "." + outExt, tempDir);

            // store to a file
            CopyUtil.copy(in, inputFile);

            LocalConverter.make(officeManager).convert(inputFile).to(outputFile).execute();

    @PostConstruct
    public void init() {
        fesenClient.addOnConnectListener(() -> createMapping("data"));
    }

    /**
     * Stores an access result in the OpenSearch index.
     *
     * @param accessResult The access result to store.
     */
    @Override
    public void store(final OpenSearchAccessResult accessResult) {
        super.insert(accessResult, accessResult.getId() == null ? OpType.CREATE : OpType.INDEX);
    }

            xpathAPI.set(cachedXPathAPI);
        }
        return cachedXPathAPI;
    }

    /**
     * Stores child URLs found in the HTML content.
     *
     * @param responseData the response data containing the HTML content
     * @param resultData the result data to store child URLs in
     * @throws CrawlingAccessException if URL extraction fails
     */

            } else {
                responseProcessor.process(responseData);
            }
        }

    }

    /**
     * Stores child URLs to the crawling queue.
     * @param childUrlList The set of child URLs to store.
     * @param url The parent URL.
     * @param depth The depth of the child URLs.
     */

                if (logger.isDebugEnabled()) {
                    logger.debug("Storing accessResult: {}", accessResult);
                }
                try {
                    // store
                    CrawlingParameterUtil.getDataService().store(accessResult);
                } catch (final Exception e) {
                    crawlerContext.decrementAndGetAccessCount();
                    if (urlQueueService.visited(urlQueue)) {

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

            ResultData resultData = new ResultData();
            resultData.setTransformerName(name);
            // Store some dummy data
            resultData.setData("test data".getBytes());

            return resultData;
        }

        @Override
        public Object getData(AccessResultData<?> accessResultData) {

        }
    }

    /**
     * Puts a value into the extract data with appropriate type conversion.
     *
     * @param data the extract data to store the value in
     * @param key the key for the value
     * @param value the value to store
     */
    protected void putValue(final ExtractData data, final String key, final Object value) {
        try {
            if (value instanceof String) {

                }
            } else {
                ext = outputExtension;
            }
            outputFile = createTempFile("cmdextout_" + filePrefix + "_", ext, tempDir);

            // store to a file
            CopyUtil.copy(in, inputFile);

            executeCommand(inputFile, outputFile);

            return resultData;
        } catch (final CrawlerSystemException e) {
            throw e;
        } catch (final Exception e) {
            throw new CrawlerSystemException("Could not store data.", e);
        }
    }

    /**
     * Retrieves a list of XPath nodes from the document.
     *
     * @param doc The XML document.
     * @param xpath The XPath expression.