public void registerUser(String username, String password) {
try {
userDao.registerUser(username, password);
} catch (Exception ex) {
if (!(ex instanceof DaoException)) {
ex.printStackTrace();
}
throw new ServiceException();
}
}
public boolean doesUserExist(String userName) {
try {
String userFromDB = userDao.getUserName(userName);
if (null != userFromDB) {
if (userFromDB.equals(userName)) {
return true;
}
}
} catch (Exception ex) {
if (!(ex instanceof DaoException)) {
ex.printStackTrace();
}
throw new ServiceException();
}
return false;
}