Added Baconian cipher

src/main/java/com/mattrixwv/CipherStreamJava/monoSubstitution/Baconian.java

@@ -0,0 +1,134 @@
+//CipherStreamJava/src/test/java/com/mattrixwv/CipherStreamJava/Baconian.java
+//Mattrixwv
+// Created: 01-12-22
+//Modified: 01-12-22
+package com.mattrixwv.CipherStreamJava.monoSubstitution;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.StringJoiner;
+
+import com.mattrixwv.CipherStreamJava.exceptions.InvalidCharacterException;
+
+public class Baconian{
+	private static final ArrayList<String> code = new ArrayList<String>(Arrays.asList(
+		"aaaaa", "aaaab", "aaaba", "aaabb", "aabaa", "aabab", "aabba","aabbb", "abaaa", "abaaa", "abaab", "ababa", "ababb",	//A-M
+		"abbaa", "abbab", "abbba", "abbbb", "baaaa", "baaab", "baaba", "baabb", "baabb", "babaa", "babab", "babba", "babbb"		//N-Z
+	));
+	private String inputString;		//The string that needs encoded/decoded
+	private String outputString;	//The encoded/decoded string
+	private boolean leaveCapitals;	//Whether to respect capitals in the output string
+
+	//Sets the input string
+	private void setInputStringEncode(String inputString){
+		//Remove all whitespace and symbols
+		inputString = inputString.replaceAll("[^A-Za-z]", "");
+		if(!leaveCapitals){
+			inputString = inputString.toLowerCase();
+		}
+
+		this.inputString = inputString;
+	}
+	private void setInputStringDecode(String inputString) throws InvalidCharacterException{
+		if(!leaveCapitals){
+			inputString = inputString.toLowerCase();
+		}
+
+		//Check each Baconian Cipher letter for validity
+		for(String str : inputString.split(" ")){
+			//Make sure each letter contains 5 characters
+			if(str.length() != 5){
+				throw new InvalidCharacterException("All Baconian letters contain exactly 5 characters: " + str);
+			}
+			//Make sure the letter contains only a's and b's
+			String temp = str.replaceAll("[^abAB]", "");
+			if(!temp.equals(str)){
+				throw new InvalidCharacterException("Baconian letters contain only a's and b's: " + str);
+			}
+		}
+
+		this.inputString = inputString;
+	}
+	//Encodes the inputString and stores the result in outputString
+	private String encode(){
+		StringJoiner output = new StringJoiner(" ");
+		//Go through every character in the inputString and encode it
+		for(char ch : inputString.toCharArray()){
+			//Convert the character to a binary string with A = 0
+			String binary = null;
+			if(Character.isUpperCase(ch)){
+				binary = code.get(ch - 'A').toUpperCase();
+			}
+			else{
+				binary = code.get(ch - 'a').toLowerCase();
+			}
+
+			//Add the encoded character to the output
+			output.add(binary);
+		}
+
+		//Save and return the output
+		outputString = output.toString();
+		return outputString;
+	}
+	//Decodes the inputString and stores the result in outputString
+	private String decode(){
+		StringBuilder output = new StringBuilder();
+		//Go through every Baconian Cipher character in the inputString and decode it
+		for(String baconianCharacter : inputString.split(" ")){
+			//Get the location of the Baconian character in the array
+			int location = code.indexOf(baconianCharacter.toLowerCase());
+
+			//Convert the Baconian character to an ASCII character
+			char ch = '\0';
+			if(Character.isUpperCase(baconianCharacter.charAt(0))){
+				ch = (char)(location + 'A');
+			}
+			else{
+				ch = (char)(location + 'a');
+			}
+
+			//Add the decoded character to the output
+			output.append(ch);
+		}
+
+		//Save and return the output
+		outputString = output.toString();
+		return outputString;
+	}
+
+	//Constructor
+	public Baconian(){
+		reset();
+		leaveCapitals = false;
+	}
+	public Baconian(boolean leaveCapitals){
+		reset();
+		this.leaveCapitals = leaveCapitals;
+	}
+	//Returns the outputString
+	public String getOutputString(){
+		return outputString;
+	}
+	//Returns the inputString
+	public String getInputString(){
+		return inputString;
+	}
+	//Sets the inputString and encodes the message
+	public String encode(String inputString){
+		reset();
+		setInputStringEncode(inputString);
+		return encode();
+	}
+	//Sets the inputString and decodes the message
+	public String decode(String inputString) throws InvalidCharacterException{
+		reset();
+		setInputStringDecode(inputString);
+		return decode();
+	}
+	//Makes sure all of the variables are empty
+	public void reset(){
+		inputString = "";
+		outputString = "";
+	}
+}