Improved CLI-app to add super basic user input handling.

src/main/java/edu/ntnu/stud/chaosgame/Main.java

@@ -8,17 +8,21 @@ import edu.ntnu.stud.chaosgame.model.handling.ChaosCanvas;
 import edu.ntnu.stud.chaosgame.model.handling.ChaosGame;
 import edu.ntnu.stud.chaosgame.model.transformations.AffineTransform2D;
 import edu.ntnu.stud.chaosgame.model.transformations.Transform2D;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
+import java.util.Scanner;
 
 /**
  * Main class for the Chaos Game application.
  */
 public class Main {
 
-  public static void main(String[] args) {
+  public static void main(String[] args) throws IOException {
+    Scanner sc = new Scanner(System.in);
     System.out.println("Hi");
-    String path = "src/main/resources/descriptions/Sierpinski.txt";
+    String path = "src/main/resources/descriptions/sierpinski.txt";
 
     ChaosGameDescription description = null; // Declare description
 
@@ -34,7 +38,34 @@ public class Main {
     } catch (Exception e) {
       System.out.println(e.getMessage()); // TODO: Alter error handling
     }
-    game.runSteps(100000);
+
+    boolean exit = false;
+
+    // While loop for simple cli-app.
+    while (!exit) {
+
+      System.out.println("What would you like to do? Type 1 for displaying fractal, "
+          + "or anything else for ending the program");
+      if (Objects.equals(sc.next(), "1")) {
+        game.runSteps(100000);
+        System.out.println(
+            "What would you like to do? Type 1 for saving the fractal, anything else for ending the program");
+
+        if (Objects.equals(sc.next(), "1")) {
+          ChaosGameFileHandler handler = new ChaosGameFileHandler();
+          handler.writeToFile(description, "src/main/resources/descriptions/output.txt");
+          System.out.println("Wrote to file output.txt.");
+        }
+        else {
+          exit = true;
+        }
+      }
+      else {
+        exit = true;
+      }
+    }
+    System.out.println("Terminated program.");
+
 
 
 

src/main/resources/descriptions/output.txt

+Affine2D
+0.0, 0.0
+1.0, 1.0
+0.5, 0.0, 0.0, 0.5, 0.0, 0.0
+0.5, 0.0, 0.0, 0.5, 0.25, 0.5
+0.5, 0.0, 0.0, 0.5, 0.5, 0.0