How to use

org.apache.sis.metadata.iso.lineage.DefaultLineage

constructor

/**
 * Creates the lineage object if it does not already exists, then returns it.
 *
 * @return the lineage (never {@code null}).
 * @see #newLineage()
 */
private DefaultLineage lineage() {
  if (lineage == null) {
    lineage = new DefaultLineage();
  }
  return lineage;
}

/**
 * Creates the lineage object if it does not already exists, then returns it.
 *
 * @return the lineage (never {@code null}).
 * @see #newLineage()
 */
private DefaultLineage lineage() {
  if (lineage == null) {
    lineage = new DefaultLineage();
  }
  return lineage;
}

/**
 * Returns a SIS metadata implementation with the values of the given arbitrary implementation.
 * This method performs the first applicable action in the following choices:
 *
 * <ul>
 *   <li>If the given object is {@code null}, then this method returns {@code null}.</li>
 *   <li>Otherwise if the given object is already an instance of
 *       {@code DefaultLineage}, then it is returned unchanged.</li>
 *   <li>Otherwise a new {@code DefaultLineage} instance is created using the
 *       {@linkplain #DefaultLineage(Lineage) copy constructor}
 *       and returned. Note that this is a <cite>shallow</cite> copy operation, since the other
 *       metadata contained in the given object are not recursively copied.</li>
 * </ul>
 *
 * @param  object  the object to get as a SIS implementation, or {@code null} if none.
 * @return a SIS implementation containing the values of the given object (may be the
 *         given object itself), or {@code null} if the argument was null.
 */
public static DefaultLineage castOrCopy(final Lineage object) {
  if (object == null || object instanceof DefaultLineage) {
    return (DefaultLineage) object;
  }
  return new DefaultLineage(object);
}

/**
 * Returns a SIS metadata implementation with the values of the given arbitrary implementation.
 * This method performs the first applicable action in the following choices:
 *
 * <ul>
 *   <li>If the given object is {@code null}, then this method returns {@code null}.</li>
 *   <li>Otherwise if the given object is already an instance of
 *       {@code DefaultLineage}, then it is returned unchanged.</li>
 *   <li>Otherwise a new {@code DefaultLineage} instance is created using the
 *       {@linkplain #DefaultLineage(Lineage) copy constructor}
 *       and returned. Note that this is a <cite>shallow</cite> copy operation, since the other
 *       metadata contained in the given object are not recursively copied.</li>
 * </ul>
 *
 * @param  object  the object to get as a SIS implementation, or {@code null} if none.
 * @return a SIS implementation containing the values of the given object (may be the
 *         given object itself), or {@code null} if the argument was null.
 */
public static DefaultLineage castOrCopy(final Lineage object) {
  if (object == null || object instanceof DefaultLineage) {
    return (DefaultLineage) object;
  }
  return new DefaultLineage(object);
}

/**
 * Create a lineage to marshal. If {@code extension} is {@code false}, then this method uses
 * only properties defined in ISO 19115-1. If {@code extension} is {@code true}, then this
 * method adds an ISO 19115-2 property.
 */
private static DefaultLineage create(final boolean extension) {
  final DefaultLineage lineage = new DefaultLineage();
  final DefaultSource source = new DefaultSource();
  source.setDescription(new SimpleInternationalString("Description of source data level."));
  lineage.getSources().add(source);
  if (extension) {
    source.setProcessedLevel(new DefaultIdentifier("DummyLevel"));
  }
  return lineage;
}

String value = stringValue(HISTORY);
if (value != null) {
  lineage = new DefaultLineage();
  lineage.setStatement(new SimpleInternationalString(value));
  if (lineage == null) lineage = new DefaultLineage();
  addIfAbsent(lineage.getSources(), new DefaultSource(value));