Main.java

package base;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Main {
	
	
    public static void main(String[] args) throws FileNotFoundException {
    	
    	//Start the object e for AlphaNum encryptions
		Encrypt e = new Encrypt();

		// create a new scanner with the specified String Object
        Scanner scanner = new Scanner(System.in);
        
        //Welcome Text and makes an line with no text to seperate the actual encryption/decryption
        System.out.println("SafeFile 2018 Java Version");
        System.out.println("Liscenced with Apache Liscence, Version 2.0");
        System.out.println();
        
        //Check if user wants to encrypt or decrypt
        System.out.println("Would you like to Encrypt or Decrypt (Select one in the same spelling)");
        String EorD = scanner.next();
        
        if (EorD.equals("Encrypt")) {
        	
        Scanner scanner1 = new Scanner(System.in);

    	//Check how the user wants to encrypt
    	System.out.println("How Would You Like to Encrypt? - Available Currently: Ceaser Cypher, Alpha Number Encryption");
    	System.out.println("For Ceaser Cypher, enter Ceaser, For Alpha Number, enter AlphaNum"); //More would be added in as more encryption ways are added into the program
    	
    	String howE = scanner.next();
    	
    	if (howE.equals("Ceaser")) {
    		
            System.out.println("What is the text you would like to encrypt?");
            String textE = scanner1.next();
            
            System.out.println("What is the offset for the Ceaser Cypher? Enter 0 for an random offset");
    		String numE = scanner1.next();
    				
    		int numEi = Integer.parseInt(numE);
    	
    		if (numEi == 0) {	
    			Ran r = new Ran();
    			numEi = r.ran();	
    		}
    		
    		String encrypted = Encrypter.encode(textE, numEi);
            
    		System.out.println("Below is encrypted Text with Ceaser Cypher, offset of " + numEi);
    		System.out.println(encrypted);
    		
    		//Asks if user wants to save file
    		System.out.println("Would you like to save the encrypted text into an text file? Please say YES or NO");
    		String ifS = scanner1.next();
    		
    		if (ifS.equals("YES")) {
    		//Code to save file to EncryptedT.txt
    			createfile c = new createfile();
    			c.openFile();
    			c.addRecords(encrypted);
    			c.closeFile();
    			System.out.println("The encrypted text was saved on textE.txt");
    			
    			System.out.println("please reload the application again if you want to do another calculation");

                // close the scanner
                scanner1.close();
    		} else {
    			System.out.println("please reload the application again if you want to do another calculation");

                // close the scanner
                scanner1.close();
    		} 
        		
        	} else if (howE.equals("AlphaNum")) {
        		
        		
        		System.out.println("Please enter the message to encrypt with NO SYMBOLS(symbols will look weird afterwards):");
        		String s = scanner1.nextLine()
        				.replace(" ", "2");;
        		
        		System.out.println("How much do you want to multiply the encryption (The bigger the better but slower) NO DECIMALS");
        		String numS = scanner1.nextLine();
        		int num = (int) Long.parseLong(numS);
        	
        		//Asks user if they want to add a specific number to all of the multiplied encrypted numbers
        		System.out.println("Would you like to add a number to all of the multiplied encrypted numbers?");
        		String addS = scanner1.nextLine();
        		int adds = (int) Long.parseLong(addS);
    			String en = e.encryptM(s, num, adds);
        		
    			
        		//Asks if user wants to save file
        		System.out.println("Would you like to save the encrypted text into an text file? Please say YES or NO ||| THIS WILL OVERWRITE ANY FILE NAMED textE.txt IN THE SAME FOLDER AS .JAR FILE!!!");
        		String ifS = scanner1.next();
        		
        		if (ifS.equals("YES")) {
        		//Code to save file to EncryptedT.txt
        			createfile c = new createfile();
        			c.openFile();
        			c.addRecords(en);
        			c.closeFile();
        			System.out.println("The encrypted text was saved on textE.txt");
        			
        			System.out.println("please reload the application again if you want to do another calculation");

                    // close the scanner
                    scanner1.close();
        		} else {
        			System.out.println("please reload the application again if you want to do another calculation");

                    // close the scanner
                    scanner1.close();
        		} 
    			
    			
        	}
    	
        } else if (EorD.equals("Decrypt")){
        		
        		System.out.println("Decrypting message");
        	
        		//Asks the user how they want to decrypt
            	System.out.println("How Would You Like to Decrypt? - Available Currently: Ceaser Cypher, Alpha Numeric");
            	System.out.println("For Ceaser Cypher, enter Ceaser. For Alpha Numeric, enter AlphaNum"); //More would be added in as more encryption ways are added into the program
            	String howD = scanner.next();
            	
            	String textD;
            	 if(howD.equals("Ceaser")) {
            		
            		 System.out.println("Is the text going to be given through the console (CONSOLE) or is it in textE.txt? (FILE) ");
            		 String howT = scanner.next();
            		 
            		 if (howT.equals("FILE")){
            			 //Gets Ceaser data from file
            			 Read r = new Read();
            			  textD = r.read(howT);
            			 
            		 } else {
            			//Asks user the text and offset they want to use to decrypt the ceaser cypher
                 		System.out.println("What is the text you would like to decrypt?");
                          textD = scanner.next();
                         
            		 }
            		 
            		
                    System.out.println("How many characters away is the original message?");
            		String numD = scanner.next();
            				
            		int numDi = Integer.parseInt(numD);
            	
            		int newNumDi = 26-numDi;
            		
            		String decrypted = Encrypter.encode(textD, newNumDi);
                    
            		System.out.println("Here is the Decrypted message with an offset of " + numDi + ": " +  decrypted);
            		
            		System.out.println("please reload the application again if you want to do another calculation");
            		
            	} else if (howD.equals("AlphaNum")){
            		
            		
            		 System.out.println("Is the text going to be given through the console (CONSOLE) or is it in textE.txt? (FILE) ");
            		 String howT = scanner.next();
            		 
            		 String sampleString;
            		 if (howT.equals("FILE")){
            			 //Gets Ceaser data from file
            			 Read r = new Read();
            			 sampleString = r.read(howT);
            			 
            		 } else {
            				System.out.println("Please enter the encrypted message");
                    	    sampleString = scanner.next();
                         
            		 }
            		
            	
            		
            	      String[] stringArray = sampleString.split(",");
            	      int[] intArray = new int[stringArray.length];
            	      for (int i = 0; i < stringArray.length; i++) {
            	         String numberAsString = stringArray[i];
            	         intArray[i] = (int) Long.parseLong(numberAsString);
            	      }
            	      System.out.println("Number of letters/integers: " + intArray.length);
            		
            		System.out.println("Please enter the amount you multiplied:");
            		String numS = scanner.next();
            		int num = e.parseD(numS);
            		
            		System.out.println("Please enter the amount you added:");
            		String addS = scanner.next();
            		int add = e.parseD(numS);
            		
            		e.decryptM(intArray, num, add);
            		
            	}
            	
            	
         }
        //Closes everything that hasn't been previusly closed  to prevent an memory leak
		scanner.close();
        
        	}
        	 
}