public Element AbstractFeatureTypeEncode(
Object object, Document document, Element value, XSDIdRegistry idSet) {
Feature feature = (Feature) object;
String id = feature.getIdentifier().getID();
Name typeName;
if (feature.getDescriptor() == null) {
// no descriptor, assume WFS feature type name is the same as the name of the content
// model type
typeName = feature.getType().getName();
} else {
// honour the name set in the descriptor
typeName = feature.getDescriptor().getName();
}
Element encoding =
document.createElementNS(typeName.getNamespaceURI(), typeName.getLocalPart());
if (!(feature instanceof SimpleFeature) && idSet != null) {
if (idSet.idExists(id)) {
// XSD type ids can only appear once in the same document, otherwise the document is
// not schema valid. Attributes of the same ids should be encoded as xlink:href to
// the existing attribute.
encoding.setAttributeNS(XLINK.NAMESPACE, XLINK.HREF.getLocalPart(), "#" + id.toString());
// make sure the attributes aren't encoded
feature.setValue(Collections.emptyList());
return encoding;
} else {
idSet.add(id);
}
}
encoding.setAttributeNS(gml.getNamespaceURI(), "id", id);
encodeClientProperties(feature, value);
return encoding;
}
/**
* Check if the geometry contains a feature which id is pre-existing in the document. If it's
* true, make the geometry empty and add xlink:href property
*
* @param value The complex attribute value
* @param att The complex attribute itself
*/
private void checkExistingId(Geometry geom) {
if (geom != null) {
String id = GML2EncodingUtils.getID(geom);
if (id != null && idSet.idExists(id)) {
// make geometry empty, href will added by getproperty
makeEmpty = true;
} else if (id != null) {
idSet.add(id);
}
}
return;
}