crypto part 1 and last part 2

Crypto/src/ROT13.java

@@ -1,32 +1,86 @@
+import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils.IO;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
 import static java.lang.Character.isLowerCase;
 import static java.lang.Character.isUpperCase;
 import static java.lang.Character.toLowerCase;
 
-public class ROT13  {
+public class ROT13 {
+
+	private int shiftAmount;
+
+
+    protected String startUpper;
+    protected String startLower;
+    protected String registerUpper;
+    protected String registerLower;
+    protected String symmetric;
 
     ROT13(Character cs, Character cf) {
+    	shiftAmount = cf - cs;
     }
 
     ROT13() {
+    	shiftAmount = 13;
     }
 
 
     public String crypt(String text) throws UnsupportedOperationException {
 
-        return "";
+
+    	char[] arr = text.toCharArray();
+        for (int i = 0; i < arr.length; i++) {
+        	arr[i] = (isLowerCase(arr[i])) ? // if lower case character at index i in array, do first statement, else do second
+			        (char)((arr[i] + shiftAmount - 97) % 26 + 97) : (char)((arr[i] + shiftAmount - 65) % 26 + 65); // casting to char
+        }
+        return String.valueOf(arr); //returns charArray as String
     }
 
+
     public String encrypt(String text) {
-        return text;
+
+        return crypt(text);
     }
 
     public String decrypt(String text) {
-        return text;
+        return crypt(text);
+    }
+
+    public String fileToString(File fp) throws IOException {
+    	// get the text of a given file from its filepath
+
+    	return new String(Files.readAllBytes(Paths.get(String.valueOf(fp))));
+	    //get value of String then convert to bytestream
     }
 
+	public File StringToFile(String originalFile, String fileName) throws IOException {
+		// Create a file using a fileWriter. encrypt text then write to fileName
+		// String originalFile to encrypted text then write to fileName
+
+		File file = new File(originalFile);
+
+		// Creates the file
+		file.createNewFile();
+
+		// Create file writer object
+		FileWriter writer = new FileWriter(file);
+
+		// write contents to file
+		writer.write(encrypt(fileToString(new File(originalFile))));
+		writer.flush();
+		writer.close();
+
+		return file;
+	}
+
     public static String rotate(String s, Character c) {
 
         return "";
     }
 
 }
+

Crypto/src/ROT13Test.java

@@ -5,87 +5,98 @@ import static org.junit.Assert.*;
 public class ROT13Test {
 
 
-    @Test
-    public void rotateStringTest0() {
-        // Given
-        String s1 = "ABCDEF";
-        String s2 = "ABCDEF";
-
-        // When
-        ROT13 cipher = new ROT13();
-        String actual = cipher.rotate(s1, 'A');
-
-        // Then
-        assertTrue(actual.equals(s2));
-    }
-
-    @Test
-    public void rotateStringTest1() {
-        // Given
-        String s1 = "ABCDEF";
-        String s2 = "DEFABC";
-
-        // When
-        ROT13 cipher = new ROT13();
-        String actual = cipher.rotate(s1, 'D');
-
-        // Then
-        assertTrue(actual.equals(s2));
-    }
-
-    @Test
-    public void rotateStringTest2() {
-        // Given
-        String s1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-        String s2 = "NOPQRSTUVWXYZABCDEFGHIJKLM";
-
-        // When
-        ROT13 cipher = new ROT13();
-        String actual = cipher.rotate(s1, 'N');
-        System.out.println(s1);
-        System.out.println(actual);
-        // Then
-        assertTrue(actual.equals(s2));
-    }
-
-    @Test
-    public void cryptTest1() {
-        // Given
-        ROT13 cipher = new ROT13('a', 'n');
-
-        String Q1 = "Why did the chicken cross the road?";
-        String A1 = "Jul qvq gur puvpxra pebff gur ebnq?";
-
-        String Q2 = "Gb trg gb gur bgure fvqr!";
-        String A2 = "To get to the other side!";
-
-        // When
-        String actual = cipher.encrypt(Q1);
-        System.out.println(Q1);
-        System.out.println(A1);
-        // Then
-        assertTrue(actual.equals(A1));
-
-        // When
-        String actual2 = cipher.decrypt(Q2);
-        System.out.println(Q2);
-        System.out.println(A2);
-        // Then
-        assertTrue(actual2.equals(A2));
-    }
-    @Test
-    public void cryptTest2() {
-        // Given
-        ROT13 cipher = new ROT13('a', 'n');
-
-        String Q1 = "Why did the chicken cross the road?";
-        System.out.println(Q1);
-
-        // When
-        String actual = cipher.crypt(cipher.crypt(Q1));
-        System.out.println(actual);
-        // Then
-        assertTrue(actual.equals(Q1));
-    }
-
-}
+	@Test
+	public void rotateStringTest0() {
+		// Given
+		String s1 = "ABCDEF";
+		String s2 = "ABCDEF";
+
+		// When
+		ROT13 cipher = new ROT13();
+		String actual = cipher.rotate(s1, 'A');
+
+		// Then
+		assertTrue(actual.equals(s2));
+	}
+
+	@Test
+	public void rotateStringTest1() {
+		// Given
+		String s1 = "ABCDEF";
+		String s2 = "DEFABC";
+
+		// When
+		ROT13 cipher = new ROT13();
+		String actual = cipher.rotate(s1, 'D');
+
+		// Then
+		assertTrue(actual.equals(s2));
+	}
+
+	@Test
+	public void rotateStringTest2() {
+		// Given
+		String s1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+		String s2 = "NOPQRSTUVWXYZABCDEFGHIJKLM";
+
+		// When
+		ROT13 cipher = new ROT13();
+		String actual = cipher.rotate(s1, 'N');
+		System.out.println(s1);
+		System.out.println(actual);
+		// Then
+		assertTrue(actual.equals(s2));
+	}
+
+	@Test
+	public void cryptTest1() {
+		// Given
+		ROT13 cipher = new ROT13('a', 'n');
+
+		String Q1 = "Why did the chicken cross the road?";
+		String A1 = "Jul qvq gur puvpxra pebff gur ebnq?";
+
+		String Q2 = "Gb trg gb gur bgure fvqr!";
+		String A2 = "To get to the other side!";
+
+		// When
+		String actual = cipher.encrypt(Q1);
+		System.out.println(Q1);
+		System.out.println(A1);
+		// Then
+		assertTrue(actual.equals(A1));
+
+		// When
+		String actual2 = cipher.decrypt(Q2);
+		System.out.println(Q2);
+		System.out.println(A2);
+		// Then
+		assertTrue(actual2.equals(A2));
+	}
+
+	@Test
+	public void cryptTest2() {
+		// Given
+		ROT13 cipher = new ROT13('a', 'n');
+
+		String Q1 = "Why did the chicken cross the road?";
+		System.out.println(Q1);
+
+		// When
+		String actual = cipher.crypt(cipher.crypt(Q1));
+		System.out.println(actual);
+		// Then
+		assertTrue(actual.equals(Q1));
+	}
+
+	@Test
+	public void cryptTestMax() {
+		for (int i = 0; i < Integer.MAX_VALUE; i++) {
+			System.out.println(i + " ");
+			if (i % 16 == 8) System.out.println(i);
+		}
+
+
+	}
+}
+

SimpleCrypt.iml

@@ -0,0 +1,25 @@
+<?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_8">
+    <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" exported="" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" exported="" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+    <orderEntry type="library" exported="" name="Maven: org.junit.jupiter:junit-jupiter-api:5.3.0-M1" level="project" />
+    <orderEntry type="library" exported="" name="Maven: org.apiguardian:apiguardian-api:1.0.0" level="project" />
+    <orderEntry type="library" exported="" name="Maven: org.opentest4j:opentest4j:1.1.0" level="project" />
+    <orderEntry type="library" exported="" name="Maven: org.junit.platform:junit-platform-commons:1.3.0-M1" level="project" />
+    <orderEntry type="library" exported="" name="Maven: org.testng:testng:6.14.3" level="project" />
+    <orderEntry type="library" exported="" name="Maven: com.beust:jcommander:1.72" level="project" />
+    <orderEntry type="library" exported="" name="Maven: org.apache-extras.beanshell:bsh:2.0b6" level="project" />
+    <orderEntry type="library" name="settings" level="project" />
+    <orderEntry type="library" name="pom" level="project" />
+    <orderEntry type="library" name="apache-maven-3.5" level="project" />
+  </component>
+</module>

pom.xml

@@ -7,6 +7,32 @@
     <groupId>com.zipcodewilmington</groupId>
     <artifactId>SimpleCrypt</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>RELEASE</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.testng</groupId>
+            <artifactId>testng</artifactId>
+            <version>RELEASE</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
 
 
 </project>