xstream.registerConverter(new UserRightIdSingleValueConverter(), 20);
xstream.registerConverter(new UserPrefAreaSingleValueConverter(), 19);
}
};
converter.setHibernate(hibernate);
converter.appendIgnoredTopLevelObjects(embeddedClasses);
Writer writer = null;
GZIPOutputStream gzipOut = null;
try {
if (filename.endsWith(".gz") == true) {
gzipOut = new GZIPOutputStream(out);