void processDo()

in src/main/java/org/apache/commons/net/telnet/Telnet.java [369:427]
41 lines of code
13 McCabe index (conditional complexity)

    void processDo(final int option) throws IOException {
        if (debugoptions) {
            System.err.println("RECEIVED DO: " + TelnetOption.getOption(option));
        }

        if (notifhand != null) {
            notifhand.receivedNegotiation(TelnetNotificationHandler.RECEIVED_DO, option);
        }

        boolean acceptNewState = false;

        /* open TelnetOptionHandler functionality (start) */
        if (optionHandlers[option] != null) {
            acceptNewState = optionHandlers[option].getAcceptLocal();
        } else if (option == TERMINAL_TYPE && terminalType != null && !terminalType.isEmpty()) {
            acceptNewState = true;
        }
        /* TERMINAL-TYPE option (end) */
        /* open TelnetOptionHandler functionality (start) */

        if (willResponse[option] > 0) {
            --willResponse[option];
            if (willResponse[option] > 0 && stateIsWill(option)) {
                --willResponse[option];
            }
        }

        if (willResponse[option] == 0) {
            if (requestedWont(option)) {

                switch (option) {

                default:
                    break;

                }

                if (acceptNewState) {
                    setWantWill(option);
                    sendWill(option);
                } else {
                    ++willResponse[option];
                    sendWont(option);
                }
            } else {
                // Other end has acknowledged option.

                switch (option) {

                default:
                    break;

                }

            }
        }

        setWill(option);
    }