import org.apache.logging.log4j.Logger;
import org.codelibs.fess.util.ComponentUtil;

/**
 * Job for purging expired thumbnail files from the system.
 * This job removes thumbnail files that have exceeded their configured expiration time
 * to prevent disk space from being consumed by old thumbnails.
 */
public class PurgeThumbnailJob {
    /** Logger instance for this class */

 *
 * Most applications should share a process-wide [TaskRunner] and use queues for per-client work.
 */
class TaskRunner(
  val backend: Backend,
  internal val logger: Logger = TaskRunner.logger,
) : Lockable {
  private var nextQueueName = 10000
  private var coordinatorWaiting = false
  private var coordinatorWakeUpAt = 0L

  /**

import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.cli.Logger;

import static java.util.Objects.requireNonNull;

/**
 * System {@link Logger}. Uses provided {@link PrintStream}s or {@link System#err} ones as fallback.
 * This logger is used in case of "early failures" (when no logging may be set up yet).
 */
public class SystemLogger implements Logger {
    private final PrintWriter out;
    private final Level threshold;

    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        osddFile = getOsddFile();
    }

    /**
     * Gets the OSDD file.
     *
     * @return the OSDD file
     */
    protected File getOsddFile() {
        if (!isOsddLinkEnabled()) {
            logger.debug("OSDD is disabled.");
            return null;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.helper.SearchLogHelper;
import org.codelibs.fess.util.ComponentUtil;

/**
 * Job for aggregating and storing search logs.
 * This job processes search logs and stores them in the search log repository.
 */
public class AggregateLogJob {

    private static final Logger logger = LogManager.getLogger(AggregateLogJob.class);

    /**

    }

  fun enable(
    loggerClass: String,
    handler: Handler = logHandler(),
  ): Closeable {
    val logger = Logger.getLogger(loggerClass)
    if (configuredLoggers.add(logger)) {
      logger.addHandler(handler)
      logger.level = Level.FINEST
    }
    return Closeable {
      logger.removeHandler(handler)
    }
  }

  fun enable(loggerClass: KClass<*>) = enable(loggerClass.java.name)

@Named
@Singleton
public class DefaultLifecycles {
    public static final String[] STANDARD_LIFECYCLES = {"clean", "default", "site"};

    private final Logger logger = LoggerFactory.getLogger(getClass());

    // @Configuration(source="org/apache/maven/lifecycle/lifecycles.xml")

    private final Lookup lookup;

    private final LifecycleRegistry registry;

 */
public class PingSearchEngineJob {

    /**
     * Default constructor.
     */
    public PingSearchEngineJob() {
        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(PingSearchEngineJob.class);

    /**
     * Executes the ping job.
     *
     * @return the execution result
     */
    public String execute() {

import javax.xml.XMLConstants;
import javax.xml.validation.SchemaFactory;

import org.codelibs.core.log.Logger;

/**
 * Utility class for {@link SchemaFactory}.
 *
 * @author koichik
 */
public abstract class SchemaFactoryUtil {

    private static final Logger logger = Logger.getLogger(SchemaFactoryUtil.class);

    /**
     * Do not instantiate.
     */
    protected SchemaFactoryUtil() {

public class LogNotificationTarget implements TimeoutTarget {

    /**
     * Default constructor.
     */
    public LogNotificationTarget() {
        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(LogNotificationTarget.class);
    private static final String NOTIFICATION_QUEUE_INDEX = "fess_log.notification_queue";
    private static final int BATCH_SIZE = 100;