"//wcs:CoverageOfferingBrief | " +
"//sos:ObservationOffering");
xp.addNamespace("wfs", "http://www.opengis.net/wfs");
xp.addNamespace("wcs", "http://www.opengis.net/wcs");
xp.addNamespace("wms", "http://www.opengis.net/wms");
xp.addNamespace("sos", "http://www.opengis.net/sos/1.0");
@SuppressWarnings("unchecked")
List<Element> layers = xp.selectNodes(capa);
if (layers.size()>0) {
log.info(" - Number of layers, featureTypes or Coverages found : " + layers.size());