private int getAttributeIndex(VectorDataNode pointDataSource, AttributeDescriptor dataField) {
final String fieldName = dataField.getLocalName();
if (fieldName.equals(CorrelativeFieldSelector.NULL_NAME)) {
return -1;
}
return pointDataSource.getFeatureType().indexOf(fieldName);
}
private VectorDataLayer createLayerInternal(LayerContext ctx, VectorDataNode vectorDataNode) {
final PropertySet configuration = createLayerConfig(ctx);
// Save the name of the vectorDataNode, so that we can reconstruct the layer later (e.g. if
// loaded from session file).
configuration.setValue(PROPERTY_NAME_VECTOR_DATA, vectorDataNode.getName());
return createLayer(vectorDataNode, configuration);
}
public static VectorDataLayer createLayer(LayerContext ctx, VectorDataNode vectorDataNode) {
final VectorDataLayerType specialLayerType =
vectorDataNode.getExtension(VectorDataLayerType.class);
final VectorDataLayer layer;
if (specialLayerType != null) {
layer = specialLayerType.createLayerInternal(ctx, vectorDataNode);
} else {
final VectorDataLayerType fallbackLayerType =
LayerTypeRegistry.getLayerType(VectorDataLayerType.class);
if (fallbackLayerType == null) {
throw new IllegalStateException(
"fallbackLayerType == null (missing default VectorDataLayerType)");
}
layer = fallbackLayerType.createLayerInternal(ctx, vectorDataNode);
}
return layer;
}