init

ciphers/Client.java

@@ -0,0 +1,45 @@
+import java.util.*;
+import java.io.*;
+
+public class Client {
+    // TODO: Change this line once you've implemented a cipher!
+    public static final Cipher CHOSEN_CIPHER = null;
+
+    // (we also encourage you to change Cipher.MIN_CHAR and Cipher.MAX_CHAR when testing!)
+    public static void main(String[] args) throws FileNotFoundException {
+        Scanner console = new Scanner(System.in);
+        System.out.println("Welcome to the CSE 123 cryptography application!");
+        System.out.println("What would you like to do?");
+        int chosen = -1;
+        do {
+            System.out.println();
+            System.out.println("(1) Encode / (2) Decode a string");
+            System.out.println("(3) Encode / (4) Decode a file");
+            System.out.println("(5) Quit");
+            System.out.print("Enter your choice here: ");
+            
+            chosen = Integer.parseInt(console.nextLine());
+            while (chosen < 1 || chosen > 5) {
+                System.out.print("Please enter a valid option from above: ");
+                chosen = Integer.parseInt(console.nextLine());
+            }
+
+            if (chosen == 1 || chosen == 2) {
+                System.out.println("Please enter the string you'd like to " +
+                                    (chosen == 1 ? "encode" : "decode") + ": ");
+                String input = console.nextLine();
+                System.out.println(chosen == 1 ? CHOSEN_CIPHER.encrypt(input) :
+                                                 CHOSEN_CIPHER.decrypt(input));
+            } else if (chosen == 3 || chosen == 4) {
+                System.out.print("Please enter the name of the file you'd like to " +
+                                    (chosen == 3 ? "encode" : "decode") + ": ");
+                String fileName = console.nextLine();
+                if (chosen == 3) {
+                    CHOSEN_CIPHER.encryptFile(fileName);
+                } else {
+                    CHOSEN_CIPHER.decryptFile(fileName);
+                }      
+            }
+        } while (chosen != 5);
+    }
+}