if (action.equals("deleteDefault")) {
ResIterator defaultIter = model.listSubjectsWithProperty(
RDF.type, HOSTCANONICALIZER.DefaultCanonicalizer);
Resource resource = defaultIter.nextResource();
defaultIter.close();
resource.removeProperties();
} else {
if (action.equals("registerDefault")) {
Resource participant = model
.createResource(HOSTCANONICALIZER.DefaultCanonicalizer);