// will include a tag and length header as a prefix.
        val adapter = chooser(writer.typeHint) as DerAdapter<Any?>?
        when {
          adapter != null -> adapter.toDer(writer, value)
          else -> writer.writeOctetString(value as ByteString)
        }
      }

      override fun fromDer(reader: DerReader): Any? {
        val adapter = chooser(reader.typeHint) as DerAdapter<Any?>?
        return when {

 * hint for further adapters to process.
 *
 * Types like ANY and CHOICE that don't have a consistent tag cannot use this.
 */
internal data class BasicDerAdapter<T>(
  private val name: String,
  /** The tag class this adapter expects, or -1 to match any tag class. */
  val tagClass: Int,
  /** The tag this adapter expects, or -1 to match any tag. */
  val tag: Long,

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

import org.apache.commons.logging.LogFactory;

/**
 * Factory for creating adapters that use (Jakarta) Commons Logging loggers.
 *
 * @author koichik
 */
class JclLoggerAdapterFactory implements LoggerAdapterFactory {

    @Override
    public LoggerAdapter getLoggerAdapter(final Class<?> clazz) {

   * ```
   */
  private val attributeTypeAndValue: BasicDerAdapter<AttributeTypeAndValue> =
    Adapters.sequence(
      "AttributeTypeAndValue",
      Adapters.OBJECT_IDENTIFIER,
      Adapters.any(
        String::class to Adapters.UTF8_STRING,
        Nothing::class to Adapters.PRINTABLE_STRING,
        AnyValue::class to Adapters.ANY_VALUE,
      ),
      decompose = {
        listOf(
          it.type,

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

/**
 * Factory for creating logger adapters.
 *
 * @author koichik
 */
interface LoggerAdapterFactory {

    LoggerAdapter getLoggerAdapter(Class<?> clazz);

    void releaseAll();

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

/**
 * Factory for creating adapters that use java.util.logging loggers.
 *
 * @author koichik
 */
class JulLoggerAdapterFactory implements LoggerAdapterFactory {

    @Override
    public LoggerAdapter getLoggerAdapter(final Class<?> clazz) {

  /** Type hints scoped to the call stack, manipulated with [pushTypeHint] and [popTypeHint]. */
  private val typeHintStack = mutableListOf<Any?>()

  /**
   * The type hint for the current object. Used to pick adapters based on other fields, such as
   * in extensions which have different types depending on their extension ID.
   */
  var typeHint: Any?
    get() = typeHintStack.lastOrNull()
    set(value) {

  private var limit = -1L

  /** Type hints scoped to the call stack, manipulated with [withTypeHint]. */
  private val typeHintStack = mutableListOf<Any?>()

  /**
   * The type hint for the current object. Used to pick adapters based on other fields, such as
   * in extensions which have different types depending on their extension ID.
   */
  var typeHint: Any?
    get() = typeHintStack.lastOrNull()
    set(value) {

- **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

    val sequenceOf = listOf(7L, 8L, 9L)
    val adapter = Adapters.INTEGER_AS_LONG.asSequenceOf()
    assertThat(adapter.fromDer(bytes)).isEqualTo(sequenceOf)
    assertThat(adapter.toDer(sequenceOf)).isEqualTo(bytes)
  }

  @Test fun `point with only x set`() {
    val bytes = "3003800109".decodeHex()
    val point = Point(9L, null)
    assertThat(Point.ADAPTER.fromDer(bytes)).isEqualTo(point)