commited

Crypto/src/ROT13.java

@@ -1,32 +1,108 @@
+//package com.zipcodewilmington.simplecrypt;
+
 import static java.lang.Character.isLowerCase;
 import static java.lang.Character.isUpperCase;
 import static java.lang.Character.toLowerCase;
 
 public class ROT13  {
+    /*
+     ROT13 - take the 26 letters of the alphabet and create a `String <- crypt(String)` method in the ROT13 class
+  * crypt("Why did the chicken cross the road?") should produce "Jul qvq gur puvpxra pebff gur ebnq?"
+  * crypt("Gb trg gb gur bgure fvqr!") should produce "To get to the other side!"
+* Make a constructor that takes two arguments to set the cipher correspondence. `ROT13 superSecure = new ROT13("a","m");`
+  * this defines the SHIFT of the two Character arrays.
+* Caesar - make a subclass of ROT13 that implements the famous caesar cipher.
+* Create you own cipher, using a different set of
+     */
+     private int shift;
 
     ROT13(Character cs, Character cf) {
+        this.shift =cs-cf;
     }
 
     ROT13() {
+        shift=13;
     }
 
 
     public String crypt(String text) throws UnsupportedOperationException {
+        StringBuilder sb=new StringBuilder();
+        char[] ch=text.toCharArray();
+        for(int i=0;i<ch.length;i++ ) {
+            char c = text.charAt(i);
+            if (c >= 'a' && c <= 'm') {
+                c += 13;
+            } else if (c >= 'A' && c <= 'M') {
+                c += 13;
+            } else if (c >= 'n' && c <= 'z') {
+                c -= 13;
+            } else if (c >= 'N' && c <= 'Z') {
+                c-=13;
+            }
+            sb.append(c);
+        }
 
-        return "";
+        return  sb.toString() ;
     }
 
     public String encrypt(String text) {
-        return text;
+
+     /*   StringBuffer result= new StringBuffer();
+
+        for (int i=0; i<text.length(); i++)
+        {
+            if (Character.isUpperCase(text.charAt(i)))
+            {
+                char ch = (char)(((int)text.charAt(i) +
+                        13 - 65) % 26 + 65);
+                result.append(ch);
+                result.append(" ");
+            }
+            else
+            {
+                char ch = (char)(((int)text.charAt(i) +
+                        13 - 97) % 26 + 97);
+                result.append(ch);
+                result.append(" ");
+            }
+        }
+        return result.toString() ;*/
+        return crypt(text) ;
     }
 
     public String decrypt(String text) {
-        return text;
+       /* StringBuffer result= new StringBuffer();
+
+        for (int i=0; i<text.length(); i++)
+        {
+            if (Character.isUpperCase(text.charAt(i)))
+            {
+                char ch = (char)(((int)text.charAt(i) +
+                        13 - 65) % 26 + 65);
+                result.append(ch);
+            }
+            else
+            {
+                char ch = (char)(((int)text.charAt(i) +
+                        13 - 97) % 26 + 97);
+                result.append(ch);
+            }
+        }
+        return result.toString() ;*/
+       return crypt(text) ;
+
+
     }
 
     public static String rotate(String s, Character c) {
 
-        return "";
+       /*int n=s.indexOf(c);
+       String strPrefix =s.substring(n,s.length());
+       String strsuffix=s.substring(0,n-1);*/
+       String strPrefix=s.substring(0,s.indexOf(c) ) ;
+       String strsuffix =s.substring(s.indexOf(c) );
+
+        return strsuffix+strPrefix  ;
     }
 
 }

SimpleCrypt.iml

@@ -0,0 +1,15 @@
+<?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://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/Crypto/src" isTestSource="false" />
+      <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 +7,14 @@
     <groupId>com.zipcodewilmington</groupId>
     <artifactId>SimpleCrypt</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
 
 
 </project>