private static String absoluteUrl(final String url, final String geocode) {
        final Uri uri = Uri.parse(url);

        if (!uri.isAbsolute()) {
            final IConnector connector = ConnectorFactory.getConnector(geocode);
            final String hostUrl = connector.getHostUrl();
            if (StringUtils.isNotBlank(hostUrl)) {
                return hostUrl + "/" + url;
            }
        }
        return url;
    }
returns list of parsed geocaches (left) and a floag indicating whether there are more results on serer (right)
main/src/main/java/cgeo/geocaching/connector/oc/OkapiClient.java