});
                    @SuppressWarnings("unchecked")
                    final Map<String, Object> data = (Map<String, Object>) source.get(OpenSearchAccessResult.ACCESS_RESULT_DATA);
                    if (data != null) {
                        accessResult.setAccessResultData(new OpenSearchAccessResultData(data));
                    }
                    callback.iterate(accessResult);
                }

 * response data in a web crawler. Implementations of this interface should provide logic
 * to determine if a given response data matches the rule, retrieve the rule's identifier,
 * and obtain the associated response processor.
 */
public interface Rule extends Serializable {

    /**
     * Determines if the given response data matches the rule.
     *

data/folder/file.html テスト data/file.txt テキスト...

    }

    /**
     * Returns additional data for the result.
     * @param responseData The response data.
     * @param document The XML document.
     * @return Additional data as a string.
     */
    protected String getAdditionalData(final ResponseData responseData, final Document document) {
        return "";
    }

    /**
     * Returns the footer for the result data.
     * @return The result data footer.

    /**
     * Field name for transformer name.
     */
    public static final String TRANSFORMER_NAME = "transformerName";

    /**
     * Field name for data.
     */
    public static final String DATA = "data";

    /**
     * Field name for encoding.
     */
    public static final String ENCODING = "encoding";

    /**
     * Creates a new instance of OpenSearchAccessResultData.

    /** The unique identifier for the access result data. */
    protected IDTYPE id;

    /** The name of the transformer associated with this access result data. */
    protected String transformerName;

    /** The data as a byte array. */
    protected byte[] data;

    /** The encoding used for the access result data. */
    protected String encoding;

    /**

         * Sets the URL for this request data.
         *
         * @param url the URL string to be set
         * @return the current RequestDataContext instance for method chaining
         */
        public RequestDataContext url(final String url) {
            data.setUrl(url);
            return this;
        }

        /**
         * Sets the weight for the request data.
         *

            logger.debug("Visited urlQueue: {}", urlQueue);
        }
    }

    /**
     * Creates an access result from response data and result data.
     *
     * @param responseData the response data
     * @param resultData the result data
     * @return the created access result
     */
    protected AccessResult<?> createAccessResult(final ResponseData responseData, final ResultData resultData) {

 * It allows adding, retrieving, and removing rules, as well as checking for their existence.
 */
public interface RuleManager {

    /**
     * Retrieves the rule associated with the given response data.
     *
     * @param responseData the response data for which the rule is to be retrieved
     * @return the rule associated with the given response data
     */

        try (final InputStream in = ResourceUtil.getResourceAsStream("extractor/eml/sample1.eml")) {
            ExtractData data = emlExtractor.getText(in, null);
            final String content = data.getContent();
            logger.info(content);
            assertTrue(content.contains("プレイステーション"));
            assertTrue(data.getValues("Subject")[0].contains("ダイジェスト"));
        }
    }