package org.bremersee.ldaptive.transcoder;
   
   import java.time.OffsetDateTime;
   import java.time.ZonedDateTime;
   import java.util.Optional;
   import org.ldaptive.transcode.AbstractStringValueTranscoder;
   import org.ldaptive.transcode.GeneralizedTimeValueTranscoder;
   
   /**
   * The generalized time value transcoder.
   *
   * @author Christian Bremer
   */
  public class GeneralizedTimeToOffsetDateTimeValueTranscoder
      extends AbstractStringValueTranscoder<OffsetDateTime> {
  
    private static final GeneralizedTimeValueTranscoder transcoder
        = new GeneralizedTimeValueTranscoder();
  
    /**
     * Instantiates a new generalized time to offset date time value transcoder.
     */
    public GeneralizedTimeToOffsetDateTimeValueTranscoder() {
      super();
    }
  
    @Override
    public OffsetDateTime decodeStringValue(String value) {
      return Optional.ofNullable(value)
          .filter(timeStr -> !timeStr.isEmpty())
          .map(transcoder::decodeStringValue)
          .map(ZonedDateTime::toOffsetDateTime)
          .orElse(null);
    }
  
    @Override
    public String encodeStringValue(OffsetDateTime value) {
      return Optional.ofNullable(value)
          .map(OffsetDateTime::toZonedDateTime)
          .map(transcoder::encodeStringValue)
          .orElse(null);
    }
  
    @Override
    public Class<OffsetDateTime> getType() {
      return OffsetDateTime.class;
    }
  }