@Override
    public void setEmail(String username, String email) throws UserNotFoundException
    {
        loadUser(username).setEmail(email);
    }
A very basic implementation of a UserProvider, that retains data in-memory.

@author Guus der Kinderen, guus@goodbytes.nl
xmppserver/src/test/java/org/jivesoftware/openfire/user/TestUserProvider.java