struts-sandbox/mailreader-course/struts/lab-2-1-src/java/org/apache/struts/apps/mailreader/course/RegisterAction.java [172:223]:
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    private User doCreateUser(
            ActionForm form,
            HttpServletRequest request,
            ActionMessages errors) {

        if (log.isTraceEnabled()) {
            log.trace(" Perform additional validations on Create");
        }

        UserDatabase database = doGetUserDatabase();
        String username = doGet(form, USERNAME);
        try {
            if (database.findUser(username) != null) {
                errorUsernameUnique(username, errors);
            }
        }
        catch (ExpiredPasswordException e) {
            errorUsernameUnique(username, errors);
            errors.add("errors.literal", new ActionMessage(e.getMessage()));
        }

        String password = doGet(form, PASSWORD);
        if ((password == null) || (password.length() < 1)) {
            errors.add(PASSWORD, new ActionMessage("error.password.required"));

            String password2 = doGet(form, PASSWORD2);
            if ((password2 == null) || (password2.length() < 1)) {
                errors.add(
                        PASSWORD2,
                        new ActionMessage("error.password2.required"));
            }
        }

        if (!errors.isEmpty()) {
            return null;
        }

        User user = database.createUser(username);

        // Log the user in
        HttpSession session = request.getSession();
        session.setAttribute(Constants.USER_KEY, user);
        if (log.isTraceEnabled()) {
            log.trace(
                    " User: '"
                            + user.getUsername()
                            + "' logged on in session: "
                            + session.getId());
        }

        return user;
    }
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struts-sandbox/mailreader-course/struts/lab-1-4-src/java/org/apache/struts/apps/mailreader/course/RegisterAction.java [164:215]:
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    private User doCreateUser(
            ActionForm form,
            HttpServletRequest request,
            ActionMessages errors) {

        if (log.isTraceEnabled()) {
            log.trace(" Perform additional validations on Create");
        }

        UserDatabase database = doGetUserDatabase();
        String username = doGet(form, USERNAME);
        try {
            if (database.findUser(username) != null) {
                errorUsernameUnique(username, errors);
            }
        }
        catch (ExpiredPasswordException e) {
            errorUsernameUnique(username, errors);
            errors.add("errors.literal", new ActionMessage(e.getMessage()));
        }

        String password = doGet(form, PASSWORD);
        if ((password == null) || (password.length() < 1)) {
            errors.add(PASSWORD, new ActionMessage("error.password.required"));

            String password2 = doGet(form, PASSWORD2);
            if ((password2 == null) || (password2.length() < 1)) {
                errors.add(
                        PASSWORD2,
                        new ActionMessage("error.password2.required"));
            }
        }

        if (!errors.isEmpty()) {
            return null;
        }

        User user = database.createUser(username);

        // Log the user in
        HttpSession session = request.getSession();
        session.setAttribute(Constants.USER_KEY, user);
        if (log.isTraceEnabled()) {
            log.trace(
                    " User: '"
                            + user.getUsername()
                            + "' logged on in session: "
                            + session.getId());
        }

        return user;
    }
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