UpdateCipher.java

Cipher.java

@@ -8,24 +8,33 @@ public class Cipher
     public static final String CIPHER_ALPHABET = "dfxyhrklvwuasgimnojpqetbcz";
 
     public String encrypt(String inputString) {
-        
+
         // output string will be collected in this variable, one char at a time
         String outputString = "";
-        
+
         // for all chars in the input string
         for (int i = 0; i < inputString.length(); i++)   
         {
+            // append the encrypted version of the char to the output string
+            outputString += replaceChar(inputString.charAt(i), true);
 
         }
 
         return outputString;
     }
 
     public String decrypt(String inputString) {
-        
+
         // output string will be collected in this variable, one char at a time
         String outputString = "";
-
+
+        // for all chars in the input string
+        for (int i = 0; i < inputString.length(); i++) 
+        {
+            // append the encrypted version of the char to the output string
+            outputString += replaceChar(inputString.charAt(i), false);
+        }
+
         replaceChar('a',true);
 
         return outputString;
@@ -37,11 +46,12 @@ public String decrypt(String inputString) {
     // works only when the input char is included in our alphabet variables
     // should not replace symbols or upper case letters, return input char in those cases
     private char replaceChar(char inputChar, boolean isEncrypt) {
-        
+
         if(isEncrypt) {
             for (int i = 0; i < ORIGINAL_ALPHABET.length(); i++)   
             {
                 if(ORIGINAL_ALPHABET.charAt(i) == inputChar) {
+                    return CIPHER_ALPHABET.charAt(i);
 
                 }
             }
@@ -54,8 +64,8 @@ private char replaceChar(char inputChar, boolean isEncrypt) {
                 }
             }
         }
-        
+
         // if we did not find it in the alphabet, then return the original char
         return inputChar;
     }
-}   
+}