prop.put("import-one_source", r.source());
prop.put("import-one_rt", r.getResumptionToken().toString());
// set next default url
try {
final DigestURI nexturl = (rt == null) ? null : rt.resumptionURL();
if (rt != null) prop.put("defaulturl", (nexturl == null) ? "" : nexturl.toNormalform(true, false));
} catch (final MalformedURLException e) {
prop.put("defaulturl", e.getMessage());
} catch (final IOException e) {
// reached end of resumption