private static CommandLine parseAndValidateCommandLineArguments()

in mqtt-client/src/main/java/com/aws/sample/amazonmq/MQTTClient.java [127:149]

• 20 lines of code
• 5 McCabe index (conditional complexity)

    private static CommandLine parseAndValidateCommandLineArguments(String[] args) throws ParseException {
        Options options = new Options();
        options.addOption("help", false, "Print the help message.");
        options.addOption("url", true, "The broker connection url.");
        options.addOption("user", true, "The user to connect to the broker.");
        options.addOption("password", true, "The password for the user.");
        options.addOption("mode", true, "Whether to act as 'sender' or 'receiver'");
        options.addOption("destination", true, "The name of the queue or topic");
        options.addOption("name", true, "The name of the sender");
        options.addOption("interval", true, "The interval in msec at which messages are generated. Default 1000");
        CommandLineParser parser = new DefaultParser();
        CommandLine cmd = parser.parse(options, args);

        if (cmd.hasOption("help")) {
            printUsage(options);
        }

        if (!(cmd.hasOption("url") && cmd.hasOption("mode") && cmd.hasOption("destination"))) {
            printUsage(options);
        }

        return cmd;
    }