/** * Helper. Adds to the target model a translation of the given RDF list with each element replaced * according to the map. */ private Resource mapList(Model target, Resource list, Map<Resource, Resource> map) { if (list.equals(RDF.nil)) { return RDF.nil; } else { Resource head = (Resource) list.getRequiredProperty(RDF.first).getObject(); Resource rest = (Resource) list.getRequiredProperty(RDF.rest).getObject(); Resource mapElt = target.createResource(); Resource mapHead = map.get(head); if (mapHead == null) mapHead = head; mapElt.addProperty(RDF.first, mapHead); mapElt.addProperty(RDF.rest, mapList(target, rest, map)); return mapElt; } }