Added encryption options

src/main/java/mattrixwv/CipherStreamJava/Caesar.java

@@ -1,16 +1,18 @@
 //CipherStreamJava/src/main/java/mattrixwv/CipherStreamJava/Caesar.java
 //Matthew Ellison
 // Created: 07-25-21
-//Modified: 07-25-21
+//Modified: 12-25-21
 //This is the declaration of the Caesar class
 package mattrixwv.CipherStreamJava;
 
 
 public class Caesar{
-	public static final String version = "1.0";	//The current version number for the library
 	private String inputString;		//The string that needs encoded/decoded
 	private String outputString;	//The encoded/decoded string
 	private int shift;	//The amount that you need to shift each letter
+	private boolean leaveCapitals;	//Whether to respect capitals in the output string
+	private boolean leaveWhitespace;	//Whether to respect whitespace in the output string
+	private boolean leaveSymbols;	//Whether to respect whitespace in the output string
 	//Sets shift and makes sure it is within the propper bounds
 	private void setShift(int shiftAmount){
 		//If you shift more than 26 you will just be wrapping back around again
@@ -18,6 +20,15 @@ public class Caesar{
 	}
 	//Sets the input string
 	private void setInputString(String inputString){
+		if(!leaveCapitals){
+			inputString = inputString.toLowerCase();
+		}
+		if(!leaveWhitespace){
+			inputString = inputString.replaceAll("\\s+", "");
+		}
+		if(!leaveSymbols){
+			inputString = inputString.replaceAll("[^a-zA-Z0-9\\s+]", "");
+		}
 		this.inputString = inputString;
 	}
 	//Encodes the inputString and stores the result in outputString
@@ -63,6 +74,7 @@ public class Caesar{
 			//If it is an upper case letter shift it and wrap if necessary
 			if(Character.isUpperCase(currentChar)){
 				currentChar -= shift;
+				//Wrap around if the letter is now out of bounds
 				if(currentChar < 'A'){
 					currentChar += 26;
 				}
@@ -73,6 +85,7 @@ public class Caesar{
 			//If it is a lower case letter shift it and wrap if necessary
 			else if(Character.isLowerCase(currentChar)){
 				currentChar -= shift;
+				//Wrap around if the letter is now out of bounds
 				if(currentChar < 'a'){
 					currentChar += 26;
 				}
@@ -92,6 +105,15 @@ public class Caesar{
 	//Constructor
 	public Caesar(){
 		reset();
+		leaveCapitals = false;
+		leaveWhitespace = false;
+		leaveSymbols = false;
+	}
+	public Caesar(boolean leaveCapitals, boolean leaveWhitespace, boolean leaveSymbols){
+		reset();
+		this.leaveCapitals = leaveCapitals;
+		this.leaveWhitespace = leaveWhitespace;
+		this.leaveSymbols = leaveSymbols;
 	}
 	//Returns the inputString
 	public String getInputString(){
@@ -105,6 +127,20 @@ public class Caesar{
 	public String getOutputString(){
 		return outputString;
 	}
+	//Returns if capitals should be respected in the output
+	public boolean getLeaveCapitals(){
+		return leaveCapitals;
+	}
+	public void setLeaveCapitals(boolean leaveCapitals){
+		this.leaveCapitals = leaveCapitals;
+	}
+	//Returns if whitespace should be respected in the output
+	public boolean getLeaveWhitespace(){
+		return leaveWhitespace;
+	}
+	public void setLeaveWhitespace(boolean leaveWhitespace){
+		this.leaveWhitespace = leaveWhitespace;
+	}
 	//Sets the shift and inputString and encodes the message
 	public String encode(int shiftAmount, String inputString){
 		reset();