public static final String LANGUAGES = "languages";

    /** The key for array elements. */
    public static final String ARRAY_KEY = "key";
    /** The value for array elements. */
    public static final String ARRAY_VALUE = "value";

    /** The analyzer settings type field. */
    public static final String ANALYZER_SETTINGS_TYPE = "settingsType";
    /** The analyzer settings field name. */

    /**
     * Returns the creation time of the URL queue entry.
     *
     * @return the creation time as a Long value.
     */
    Long getCreateTime();

    /**
     * Sets the creation time of the URL queue.
     *
     * @param createTime the creation time to set, represented as a Long value.
     */
    void setCreateTime(Long createTime);

    /**
     * Retrieves the weight of the URL queue.

                        } else {
                            String name = item.getFieldName();
                            String value = item.getString();
                            response.getWriter().write(name + "," + value);
                        }
                    }
                } catch (FileUploadException e) {
                    e.printStackTrace();
                }

     * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} method).
     *              (A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.)
     */
    public ExtractException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**

        </ul>
    </div>
    <div id="content"></div>
    <div id="form">
        <form method="post" action="form.html">
            <input type="text" name="query" value="aaa">
            <input type="hidden" name="secret" value="xxx">
            <input type="submit" name="Submit">
        </form>
    </div>
	<a href="#" onclick="addFooter('XXX')">Footer</a>
	<div id="footer">
	</div>
</body>

/**
 * The Extractor interface defines methods for extracting text data from an input stream.
 * Implementations of this interface should provide the logic for extracting text and
 * optionally override the default weight value.
 */
public interface Extractor {

    /**
     * Extracts text data from the given input stream.
     *
     * @param in the input stream to extract text from

        if (synonymLoader.getSynonymMap() == null) {
            if (settings.getAsList("synonyms", null) != null) {
                logger.warn("synonyms values are empty.");
            } else if (settings.get("synonyms_path") != null) {
                logger.warn("synonyms_path[{}] is empty.", settings.get("synonyms_path"));
            } else {

import java.util.Map;

/**
 * Interface for reading documents and extracting their contents into a map.
 * Implementations of this interface should provide the logic for reading
 * documents and converting them into a key-value structure.
 *
 * <p>This interface extends {@link java.io.Closeable}, so implementations
 * should also handle resource cleanup when the {@link #close()} method is called.</p>
 */

    }

    /**
     * Adds metadata to this response.
     *
     * @param name the name of the metadata
     * @param value the value of the metadata
     */
    public void addMetaData(final String name, final Object value) {
        metaDataMap.put(name, value);
    }

    /**
     * Gets the metadata map containing all metadata associated with this response.
     *
     * @return the metadata map

     * @param params The map of parameters.
     */
    public void setInitParameterMap(final Map<String, Object> params) {
        if (params != null) {
            for (final CrawlerClient client : clientMap.values()) {
                client.setInitParameterMap(params);
            }
        }
    }

    /**
     * Sets the client map.
     * @param clientMap The map of clients.
     */