Command createCalculationCommand() {
return new CommandBuilder()
.withName("calculate")
.withDescription("Perform a calculation")
.addParameter(new ParameterBuilder()
.withName("num1")
.withDescription("First number")
.withType(Integer.class)
.build())
.addParameter(new ParameterBuilder()
.withName("num2")
.withDescription("Second number")
.withType(Integer.class)
.build())
.addParameter(new ParameterBuilder()
.withName("operator")
.withDescription("Operator (+, -, *, /)")
.withType(String.class)
.withValidator(Validator.fromList("+", "-", "*", "/"))
.build())
.build();
}
Prompt prompt = new Prompt(System.in, System.out);
Parser parser = new DefaultParser();
ParsedCommand parsedCommand = parser.parse(prompt.getPrompt());
Command command = parsedCommand.getCommand();
Parameters parameters = parsedCommand.getParameters();
switch (command.getName()) {
case "calculate":
int num1 = parameters.getParameter("num1");
int num2 = parameters.getParameter("num2");
String operator = parameters.getParameter("operator");
int result = calculateResult(num1, num2, operator);
System.out.println("Result: " + result);
break;
default:
System.out.println("Unknown command: " + command.getName());
break;
}
