private final File tempFile;

    private final FileInputStream fileInputStream;

    /**
     * A class that provides an input stream for reading from a temporary file.
     * This class wraps a {@link FileInputStream} to read from the specified temporary file.
     *
     * @param tempFile the temporary file to be read
     * @throws FileNotFoundException if the specified file does not exist
     */

        // Handle error
        System.err.println("Error: " + throwable.getMessage());
    });
```

## Advanced Usage

### Index from Existing Documents

```java
import org.codelibs.fess.suggest.index.contents.document.ESSourceReader;

// Index suggestions from existing Elasticsearch documents
DocumentReader reader = new ESSourceReader(
    client,
    suggester.settings(),

 *
 * <p>Methods:</p>
 * <ul>
 *   <li>{@code get()} - Retrieves an array of elevate words from the settings.</li>
 *   <li>{@code add(ElevateWord elevateWord)} - Adds a new elevate word to the settings.</li>
 *   <li>{@code delete(String elevateWord)} - Deletes an elevate word from the settings.</li>
 *   <li>{@code deleteAll()} - Deletes all elevate words from the settings.</li>
 * </ul>
 *
 * <p>Protected Constructor:</p>
 * <ul>

/**
 * Gets a text from . file.
 *
 * @author shinsuke
 *
 */
public class MsPublisherExtractor extends AbstractExtractor {

    /**
     * Creates a new MsPublisherExtractor instance.
     */
    public MsPublisherExtractor() {
        super();
    }

    /**
     * Extracts text from the Publisher input stream.
     * @param in The input stream.

         * return null; }
         */
    }

    /**
     * Gets the reading from the attribute.
     * @param stream The token stream.
     * @return The reading from the attribute.
     */
    protected String getReadingFromAttribute(final TokenStream stream) {
        return null;
        /*

import org.apache.tika.metadata.Message;
import org.apache.tika.metadata.TIFF;
import org.apache.tika.metadata.TikaCoreProperties;
import org.apache.tika.metadata.TikaMimeKeys;

/**
 * Represents extracted data from a crawled resource, including content and metadata.
 */
public class ExtractData
        implements TikaCoreProperties, CreativeCommons, Geographic, HttpHeaders, Message, ClimateForcast, TIFF, TikaMimeKeys, Serializable {

import org.opensearch.search.SearchHit;
import org.opensearch.search.sort.SortBuilder;
import org.opensearch.transport.client.Client;

/**
 * <p>
 * {@link ESSourceReader} reads documents from Elasticsearch using the scroll API.
 * It implements the {@link DocumentReader} interface to provide a way to iterate over documents
 * in a large index without loading all of them into memory at once.
 * </p>
 *
 * <p>

     * Datetime format. This format allows you to omit the time portion, if
     * desired, and use YYYY-MM-DD.
     *
     * Note that this tag is separate from the If-Modified-Since (304) header
     * the server can return, and search engines may use the information from
     * both sources differently.
     */
    private String lastmod;

    /**
     * How frequently the page is likely to change. This value provides general

     * Creates a new instance of OpenSearchAccessResultData.
     */
    public OpenSearchAccessResultData() {
    }

    /**
     * Creates a new instance of OpenSearchAccessResultData from a source map.
     * This constructor is used when loading data from OpenSearch.
     *
     * @param src The source map containing the access result data fields.
     * @throws OpenSearchAccessException if the data cannot be decoded.
     */

 * This wrapper allows for parameter management and initialization before delegating to the wrapped factory.
 *
 * The wrapper maintains its own parameter map which can be initialized separately from the wrapped factory,
 * and provides access to the wrapped factory instance through getParent().
 *
 * All crawler client management operations (adding, getting clients, setting client map) are delegated