while input loop and validInput() method

src/main/java/org/bitbiome/commands/ShopCommand.java

@@ -5,11 +5,38 @@ import org.bitbiome.shop.Shop;
 import java.util.Scanner;
 
 public class ShopCommand implements CommandAPI{
+    Shop shop = new Shop();
 
     @Override
     public void performCommand(Scanner scanner, boolean isRunning, String message) {
-        new Shop();
+        System.out.println("Willkommen im Shop!");
+        System.out.println("Folgende Items sind aktuell im Shop:");
+        shop.getCurrentShopItems();
+        System.out.println("Was willst Du hier im Shop?");
+        System.out.println("Etwas kaufen: 1");
+        System.out.println("Das Quiz spielen: 2");
+        System.out.println("Den Shop verlassen: 3");
+
+        while (true){
+            String input = scanner.nextLine();
+
+            if(validInput(input)){
+                if(input.equals("1")){
+                    //shop.buy();
+                } else if(input.equals("2")){
+                    //shop.quiz()
+                } else if(input.equals("3")){
+                    System.out.println("Der Shop wurde verlassen!");
+                    break;
+                }
+            }else {
+                System.out.println("Unbekannte Eingabe!");
+            }
+        }
     }
 
+    private boolean validInput(String input){
+        return (input.equals("1") || input.equals("2") || input.equals("3"));
+    }
 
 }

src/main/java/org/bitbiome/shop/Shop.java

@@ -7,7 +7,13 @@ public class Shop {
     public ArrayList<Item> currentShopItems;
 
     public Shop(){
-        allItems = loadItems();
+        //allItems = loadItems();
+        allItems = new ArrayList<Item>();
+        allItems.add(new Item("Holz", 10, 10));
+        allItems.add(new Item("Holz2", 11, 10));
+        allItems.add(new Item("Holz3", 12, 10));
+        allItems.add(new Item("Holz4", 13, 10));
+        //currentShopItems = itemRotation(allItems, 3);
     }
 
     public boolean buy(){
@@ -28,8 +34,8 @@ public class Shop {
         return null;
     }
 
-    public ArrayList<Item> getCurrentShopItems(){
-        return currentShopItems;
+    public void getCurrentShopItems(){
+        printArrayList(allItems);
     }
 
     public void quiz(){
@@ -39,7 +45,7 @@ public class Shop {
     private void printArrayList(ArrayList<Item> arrayList){
         System.out.println("");
         for(int i = 0; i < arrayList.size(); i++){
-            System.out.println(arrayList.get(i).getName() + " | " + arrayList.get(i).getAmount() + " | " + arrayList.get(i).getGold());
+            System.out.println(arrayList.get(i).getName() + " | Anzahl: " + arrayList.get(i).getAmount() + " | Kosten: " + arrayList.get(i).getGold());
         }
         System.out.println("");
     }