80 lines
2.3 KiB
Java
80 lines
2.3 KiB
Java
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import java.util.HashMap;
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import java.util.Scanner;
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import java.util.function.Consumer;
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/**
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* This Class is a simple text menu where you can put your methode.
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*/
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public class Menue {
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//one HashMap is for Commands, the other is for the description.
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private final HashMap<String, Consumer<String[]>> commands;
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private final HashMap<String, String> description;
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private String exitMsg = "";
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private boolean exitMsgSet = false;
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//default Constructor initialize both HashMaps and puts help and exit commands.
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public Menue() {
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commands = new HashMap<>();
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description = new HashMap<>();
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description.put("h", "help");
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description.put("e", "exit");
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commands.put("h", this::help);
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commands.put("e", this::exit);
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}
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//while true loop for input (must be at the end of your code)
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public void putCommands() {
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while (true) {
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input();
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System.out.println();
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}
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}
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//input Methode (used by only the class)
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private void input() {
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Scanner scan = new Scanner(System.in);
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System.out.print("$ ");
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String line = scan.nextLine();
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System.out.println("Input: " + line);
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String[] args = new String[0];
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if (commands.get(line) != null) {
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commands.get(line).accept(args);
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} else {
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System.err.println("INVALID INPUT");
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}
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}
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//default help methode
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public void help(String[] args) {
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System.out.println("default help, for better feeling implement the Methode. ");
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System.out.println("Commands: " + description);
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}
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//set exitMessage if u want
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public void exitMessage(String txt){
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exitMsg = txt;
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exitMsgSet = true;
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}
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//exit methode
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public void exit(String[] args) {
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if (exitMsgSet){
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System.out.println(exitMsg);
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}
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System.exit(0);
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}
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//for replacing the scuffed help Methode
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public void replaceHelp(Consumer<String[]> stringA) {
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commands.replace("h", stringA);
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}
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//Methode for putting your methode in the Menu
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public void putMethode(String string, Consumer<String[]> stringA, String text) {
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commands.put(string, stringA);
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description.put(string, text);
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}
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}
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