public void execute()

in kerby-kerb/kerb-admin/src/main/java/org/apache/kerby/kerberos/kerb/admin/kadmin/remote/command/RemoteRenamePrincipalCommand.java [43:74]

30 lines of code
11 McCabe index (conditional complexity)


    public void execute(String input) throws KrbException {
        String[] items = input.split("\\s+");
        if (items.length < 3) {
            System.err.println(USAGE);
            return;
        }

        String adminRealm = adminClient.getAdminConfig().getAdminRealm();
        String oldPrincipalName = items[items.length - 2] + "@" + adminRealm;
        String newPrincipalName = items[items.length - 1] + "@" + adminRealm;

        String reply;
        Console console = System.console();
        String prompt = "Are you sure to rename the principal? (yes/no, YES/NO, y/n, Y/N) ";
        if (console == null) {
            System.out.println("Couldn't get Console instance, "
                + "maybe you're running this from within an IDE. "
                + "Use scanner to read password.");
            Scanner scanner = new Scanner(System.in, StandardCharsets.UTF_8.name());
            reply = getReply(scanner, prompt);
        } else {
            reply = getReply(console, prompt);
        }
        if (reply.equals("yes") || reply.equals("YES") || reply.equals("y") || reply.equals("Y")) {
            adminClient.requestRenamePrincipal(oldPrincipalName, newPrincipalName);
        } else if (reply.equals("no") || reply.equals("NO") || reply.equals("n") || reply.equals("N")) {
            System.out.println("Principal \"" + oldPrincipalName + "\"  not renamed.");
        } else {
            System.err.println("Unknown request, fail to rename the principal.");
            System.err.println(USAGE);
        }
    }