source = null;
target = "wq_plus/measurement";
mappings.add(new AttributeMapping(id, source, null, XPath
.steps(targetFeature, target, namespaces), null, true, null));
source = ff.property("determinand_description");
target = "wq_plus/measurement/determinand_description";
mappings.add(new AttributeMapping(null, source, XPath.steps(targetFeature, target,
namespaces)));
source = ff.property("results_value");