Added tab-completion and cli-arguments

src/main/java/org/cametendo/Main.java

@@ -1,25 +1,34 @@
 package org.cametendo;
+import java.io.IOException;
 import java.util.Scanner;
 
 public class Main {
-    public static void main(String[] args) throws InterruptedException {
+    public static void main(String[] args) throws InterruptedException, IOException {
         Scanner UserInput = new Scanner(System.in);
-        
-        Greeting.greeting();
-        String input = UserInput.nextLine();
-        
-        if (YesNo.check(input)) {
-            System.out.println("Please choose the to be flashed device (f. e. sda)");
-        } else {
-            System.out.println("Canceling...");
-            System.exit(0);
+        if (args.length == 4) {
+        String validatedDevice = StorageDeviceLister.validateAndGetPath(args[0]);
+        if (validatedDevice == null) {
+            return;
         }
-        StorageDeviceLister.deviceCheck(UserInput);
-        FilePathAdd.filePath(UserInput);
-        BlockSize.blockSize(UserInput);
-        OflagHandler.handleOflag(UserInput);
-        Flasher.flasher(UserInput);
 
+        String validatedFile = FilePathAdd.validateAndGetFile(args[1]);
+        if (validatedFile == null) {
+            return;
+        }
         
+        StorageDeviceLister.fullPath = validatedDevice;
+        FilePathAdd.ImagePath = validatedFile;
+        BlockSize.blockSizeString = BlockSize.mapBlockSize(args[2]);
+        OflagHandler.oflagHandleString = OflagHandler.mapOflagHandle(args[3]);
+
+        } else {
+            Greeting.greeting(UserInput);
+            
+            StorageDeviceLister.deviceCheck(UserInput);
+            FilePathAdd.filePath();
+            BlockSize.blockSize(UserInput);
+            OflagHandler.Oflag(UserInput);
+        }
+        Flasher.flasher(UserInput);
     }
 }