revereted back, attemtped caeser as well

Crypto/src/ROT13.java

@@ -1,8 +1,14 @@
+import com.sun.tools.doclets.formats.html.SourceToHTMLConverter;
+
 import static java.lang.Character.isLowerCase;
 import static java.lang.Character.isUpperCase;
 import static java.lang.Character.toLowerCase;
 
-public class ROT13  {
+public class ROT13 {
+
+    protected String alphaUp = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+    protected String alphaLow = "abcdefghijklmnopqrstuvwxyz";
+
 
     ROT13(Character cs, Character cf) {
     }
@@ -12,21 +18,58 @@ public class ROT13  {
 
 
     public String crypt(String text) throws UnsupportedOperationException {
+        StringBuilder simple = new StringBuilder();
+        for (int x = 0; x < text.length(); x++) {
+            char letter = text.charAt(x);
+            if (letter >= 'A' && letter <= 'M')
+                simple.append(letter += 13);
+            else if (letter >= 'N' && letter <= 'Z')
+                simple.append(letter -= 13);
+            else if (letter >= 'a' && letter <= 'm')
+                simple.append(letter += 13);
+            else if (letter >= 'n' && letter <= 'z')
+                simple.append(letter -= 13);
+            else
+                simple.append(letter);
+        }
 
-        return "";
+        return simple.toString();
     }
 
     public String encrypt(String text) {
-        return text;
+        return crypt(text);
     }
 
     public String decrypt(String text) {
-        return text;
+        return crypt(text);
     }
 
-    public static String rotate(String s, Character c) {
 
-        return "";
+    public static String rotate(String s, Character c) {
+        StringBuilder rotated = new StringBuilder();
+        int startIndex = s.indexOf(c);
+        rotated.append(s.substring(startIndex, s.length()));
+        rotated.append(s.substring(0, startIndex));
+        return rotated.toString();
     }
 
-}
+    public String createCipher(String upper, Character chooseUp, String lower, Character chooseLow, String input) {
+        String rotateUp = rotate(alphaUp, D);
+        String rotateLow = rotate(alphaLow, d);
+
+        StringBuilder ciphered = new StringBuilder();
+        for (int x = 0; x < input.length(); i++) {
+            char letter = input.charAt(0);
+            if (letter >= 'A' && letter <= 'Z')
+                ciphered.append(rotateUp.indexOf(letter));
+            else if (letter >= 'a' && letter <= 'z')
+                ciphered.append(rotateLow.indexOf(letter));
+            else return letter;
+
+
+        }
+
+        return ciphered.toString();
+
+    }
+}

Crypto/src/ROT13Test.java → Crypto/tests/ROT13Test.java

@@ -1,3 +1,4 @@
+import org.junit.Assert;
 import org.junit.Test;
 
 import static org.junit.Assert.*;
@@ -16,7 +17,7 @@ public class ROT13Test {
         String actual = cipher.rotate(s1, 'A');
 
         // Then
-        assertTrue(actual.equals(s2));
+        Assert.assertTrue(actual.equals(s2));
     }
 
     @Test

SimpleCrypt.iml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+  </component>
+</module>

pom.xml

@@ -7,6 +7,13 @@
     <groupId>com.zipcodewilmington</groupId>
     <artifactId>SimpleCrypt</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+        </dependency>
+    </dependencies>
 
 
 </project>