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