List entryList = new LinkedList();
for (Iterator iter = userList.iterator(); iter.hasNext(); ) {
UserEntry userEntry = new UserEntry();
Login login = new Login();
login.setUserName((String) iter.next());
userEntry.addExtension(login);
entryList.add(userEntry);
}
UserFeed userFeed = new UserFeed();
userFeed.getEntries().addAll(entryList);
return userFeed;