How to use

getId

method

in

org.deegree.commons.tom.gml.GMLReference

@Override
public String requireObject( GMLReference<?> ref, GmlXlinkOptions resolveState ) {
  LOG.debug( "Exporting forward reference to object {} which must be included in the output.", ref.getId() );
  objectIdToRef.put( ref.getId(), ref );
  return "#" + ref.getId();
}

@Override
public String handleReference( GMLReference<?> ref ) {
  if ( localReferencesPossible ) {
    LOG.debug( "Exporting potential forward reference to object {} which may or may not be exported later.",
          ref.getId() );
    // try {
    // xmlStream.activateBuffering();
    // } catch ( XMLStreamException e ) {
    // throw new RuntimeException( e.getMessage(), e );
    // }
    return "{" + ref.getId() + "}";
  }
  LOG.debug( "Exporting reference to object {} as remote reference.", ref.getId() );
  return remoteXlinkTemplate.replace( "{}", ref.getId() );
}

@Override
public String requireObject( GMLReference<?> ref, GmlXlinkOptions resolveState ) {
  if ( ref.isLocal() ) {
    return remoteXlinkTemplate.replace( "{}", ref.getId() );
  }
  return ref.getURI();
}

@Override
public String handleReference( GMLReference<?> ref ) {
  if ( ref.isLocal() ) {
    return remoteXlinkTemplate.replace( "{}", ref.getId() );
  }
  return ref.getURI();
}

@Override
public String handleReference( GMLReference<?> ref ) {
  String uri = ref.getURI();
  LOG.debug( "Encountered reference to object {}.", uri );
  if ( !isGmlIdBasedUri( uri ) ) {
    LOG.debug( "Reference to object {} considered non-rewritable.", uri );
    return uri;
  }
  if ( localReferencesPossible ) {
    LOG.debug( "Exporting potential forward reference to object {} which may or may not be exported later.",
          ref.getURI() );
    try {
      xmlStream.activateBuffering();
    } catch ( XMLStreamException e ) {
      throw new RuntimeException( e.getMessage(), e );
    }
    return "{" + ref.getId() + "}";
  }
  LOG.debug( "Exporting reference to object {} as remote reference.", ref.getId() );
  return remoteXlinkTemplate.replace( "{}", ref.getId() );
}

protected void writeAdditionalObjects( GMLStreamWriter gmlStream, WfsXlinkStrategy additionalObjects,
                    QName featureMemberEl, Version requestVersion )
            throws XMLStreamException, UnknownCRSException, TransformationException {
  Collection<GMLReference<?>> nextLevelObjects = additionalObjects.getAdditionalRefs();
  XMLStreamWriter xmlStream = gmlStream.getXMLStream();
  boolean wroteStartSection = false;
  while ( !nextLevelObjects.isEmpty() ) {
    Map<GMLReference<?>, GmlXlinkOptions> refToResolveState = additionalObjects.getResolveStates();
    additionalObjects.clear();
    for ( GMLReference<?> ref : nextLevelObjects ) {
      if ( isResolvable( ref ) && !isObjectAlreadySerialized( gmlStream, ref.getId() ) ) {
        GmlXlinkOptions resolveState = refToResolveState.get( ref );
        Feature feature = (Feature) ref;
        if ( !wroteStartSection ) {
          writeAdditionalObjectsStart( xmlStream, requestVersion );
          wroteStartSection = true;
        }
        writeMemberFeature( feature, gmlStream, xmlStream, resolveState, featureMemberEl );
      }
    }
    nextLevelObjects = additionalObjects.getAdditionalRefs();
  }
  if ( wroteStartSection ) {
    writeAdditionalObjectsEnd( xmlStream, requestVersion );
  }
}