});
        initialized = true;
    }

    /**
     * Returns the logger adapter factory.
     * <p>
     * If Commons Logging is available, returns a factory for using Commons Logging.
     * If not available, returns a factory for using java.util.logging logger.
     * </p>
     *
     * @return the logger adapter factory
     */
    protected static LoggerAdapterFactory getLoggerAdapterFactory() {

    }
    return new ListenableFutureAdapter<>(future, executor);
  }

  /**
   * An adapter to turn a {@link Future} into a {@link ListenableFuture}. This will wait on the
   * future to finish, and when it completes, run the listeners. This implementation will wait on
   * the source future indefinitely, so if the source future never completes, the adapter will never
   * complete either.
   *

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.log;

/**
 * Adapter for using any logging framework.
 *
 * @author koichik
 */
interface LoggerAdapter {

    boolean isFatalEnabled();

    void fatal(String message);

    void fatal(String message, Throwable t);

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.util.Enumeration;
import java.util.Iterator;

import org.codelibs.core.exception.ClUnsupportedOperationException;

/**
 * Adapter to convert an {@link Enumeration} to an {@link Iterator}.
 *
 * @author shot
 * @param <T> the element type
 */
public class EnumerationIterator<T> implements Iterator<T> {

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.log;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Logger adapter for Jakarta Commons Logging.
 *
 * @author koichik
 */
class JclLoggerAdapter implements LoggerAdapter {

    protected final String sourceClass;

    protected final Log logger;

    /**

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.log;

import java.util.logging.Level;

/**
 * Adapter that uses java.util.logging loggers.
 *
 * @author koichik
 */
class JulLoggerAdapter implements LoggerAdapter {

    protected final String sourceClass;

    protected final java.util.logging.Logger logger;

- **Builder Pattern** - `CopyOptions` for configuring bean copying operations with fluent API
- **Adapter Pattern** - Logging adapters (`JclLoggerAdapter`, `JulLoggerAdapter`) for different logging frameworks
- **Template Method** - Resource traversal utilities with customizable handlers

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()
      private val moshi = Moshi.Builder().build()
      private val gistJsonAdapter = moshi.adapter(Gist::class.java)

      fun run() {
        val request = Request.Builder()
            .url("https://api.github.com/gists/c2a7c39532239ff261be")
            .build()

    val request = Request.Builder().url("https://www.howsmyssl.com/a/check").build()

    val response = client.newCall(request).execute()

    val results =
      response.use {
        moshi.adapter(HowsMySslResults::class.java).fromJson(response.body.string())!!
      }

    Platform.get().log("results $results", Platform.WARN)

    assertTrue(results.session_ticket_supported)

 * code changes, you can use <a
 * href="https://www.javadoc.io/doc/com.github.ben-manes.caffeine/guava/latest/com.github.benmanes.caffeine.guava/com/github/benmanes/caffeine/guava/CaffeinatedGuava.html">its
 * {@code CaffeinatedGuava} adapter class</a>, which lets you build a Guava {@code Cache} or a Guava
 * {@code LoadingCache} backed by a Guava {@code CacheLoader}.
 *
 * <p>Caffeine's API for asynchronous operations uses {@code CompletableFuture}: <a