* @see org.apache.james.managesieve.api.SieveRepository#addUser(java.lang.String)
*/
public void addUser(String user) throws DuplicateUserException, StorageException {
if (_repository.containsKey(user))
{
throw new DuplicateUserException(user);
}
_repository.put(user, new HashMap<String, SieveScript>());
}