}
    }

    /**
     * Retrieves a value from a map with a default fallback.
     *
     * @param dataMap the map to retrieve the value from
     * @param key the key to look up
     * @param defaultValue the default value to return if key is not found or value is blank
     * @return the value from the map or the default value
     */

 * including databases, CSV files, and other structured data sources.
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
        // Default constructor
    }

    /** CRUD operation mode (CREATE, EDIT, etc.) */
    @ValidateTypeFailure
    public Integer crudMode;

    /** Configuration name for identifying this data source */
    @Required

 * term matching and regex pattern matching for flexible content association.
 */
public class RelatedContentHelper extends AbstractConfigHelper {

    /**
     * Default constructor for RelatedContentHelper.
     * The constructor does not perform any initialization logic as the actual
     * initialization is handled by the {@link #init()} method annotated with
     * {@code @PostConstruct}.

    @BeforeEach
    void setUp() {
        fileBasicInfo = new FileBasicInfo();
    }

    @Test
    @DisplayName("Test default constructor")
    void testDefaultConstructor() {
        // Verify default values
        assertEquals(0L, fileBasicInfo.getCreateTime());
        assertEquals(0L, fileBasicInfo.getLastAccessTime());
        assertEquals(0L, fileBasicInfo.getLastWriteTime());

 * Utility class for {@link Reader} operations.
 *
 * @author higa
 */
public abstract class ReaderUtil {

    /**
     * Do not instantiate.
     */
    protected ReaderUtil() {
    }

    /** Default buffer size */
    private static final int BUF_SIZE = 4096;

    /**
     * Creates a {@link Reader} to read from a file with the specified encoding.
     *
     * @param is

     */
    public String getCurrentPageNumber() {
        return pageNumber;
    }

    /**
     * Initializes the form with default null values.
     * This method resets all fields to their default state for creating a new entry.
     */
    public void initialize() {
        id = null;
        url = null;
        threadName = null;
        errorName = null;

import jakarta.validation.constraints.Size;

/**
 * The list form for Search List.
 */
public class ListForm extends SearchRequestParams {

    /**
     * Default constructor.
     */
    public ListForm() {
        super();
    }

    /** The search query string. */
    @Size(max = 1000)
    public String q;

    /** The sort field and direction. */

 */
public abstract class FessApiAdminAction extends FessApiAction {

    /** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(FessApiAdminAction.class);

    /**
     * Default constructor.
     */
    public FessApiAdminAction() {
        super();
    }

    /**
     * Determines whether the current request is authorized to access admin API endpoints.

 */
public abstract class CorsHandler {

    /**
     * Creates a new instance of CorsHandler.
     */
    public CorsHandler() {
        // Default constructor
    }

    /**
     * CORS header for specifying allowed origin.
     */
    protected static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin";

    /**

     * If set to true, exceptions will be caught and ignored. If set to false,
     * exceptions will be re-thrown as {@link CrawlerSystemException}.
     * Default value is true.
     */
    protected boolean ignoreException = true;

    /**
     * Constructs a new AbstractIntervalController.
     */
    public AbstractIntervalController() {
        // NOP
    }