Popkovdmitriy-3 task

src/main/java/com/javarush/popkovdmitriy/ConsoleRunner.java

@@ -0,0 +1,31 @@
+package com.javarush.popkovdmitriy;
+
+import com.javarush.popkovdmitriy.console.ConsoleApp;
+import com.javarush.popkovdmitriy.console.Menu;
+import com.javarush.popkovdmitriy.controller.MainController;
+import com.javarush.popkovdmitriy.util.PathBuilder;
+
+import java.util.Scanner;
+
+public class ConsoleRunner {
+
+    public static void main(String[] args) {
+        //build console app
+        Scanner input = new Scanner(System.in);
+        Menu inputmenu = new Menu(input);
+        ConsoleApp application = new ConsoleApp(inputmenu, input);
+        PathBuilder readFILE = new PathBuilder(application);
+
+
+        MainController mainController = new MainController(readFILE.inputFilePath, application.shift, inputmenu.inputmenu);
+        while (mainController.pick_upShift == 1) {
+
+            new MainController(readFILE.inputFilePath, MainController.shift, inputmenu.inputmenu);
+        }
+    }
+
+
+
+}
+
+

src/main/java/com/javarush/popkovdmitriy/command/BruteForce.java

@@ -0,0 +1,74 @@
+package com.javarush.popkovdmitriy.command;
+
+import com.javarush.popkovdmitriy.constant.Const;
+import com.javarush.popkovdmitriy.exeption.AppExeption;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.HashSet;
+import java.util.Set;
+
+public class BruteForce {
+    public static boolean commonEmtyWords;
+
+
+    public static String bruteforce(String text, int shift) {
+
+        return Encode.encrypt(text, (-1 * shift));
+
+    }
+
+
+    public static Set<String> findCommonWords()  {
+        Set<String> wordsInFile1_buff = BruteForce.findCommonWords1();
+        Set<String> commonWords_buff = BruteForce.findCommonWords2(wordsInFile1_buff);
+        BruteForce.commonEmtyWords = commonWords_buff.isEmpty();
+        return commonWords_buff;
+    }
+
+    public static Set<String> findCommonWords1() {
+        Set<String> wordsInFile1 = new HashSet<>();
+
+        try (BufferedReader reader1 = new BufferedReader(new FileReader(Const.METRIKA_PATH))) {
+            String line;
+            while ((line = reader1.readLine()) != null) {
+
+                String[] words = line.split("\\s+");
+                for (String word : words) {
+                    wordsInFile1.add(word.toLowerCase());
+                }
+            }
+        } catch (IOException e) {
+            throw new AppExeption(e.getMessage());
+        }
+        return wordsInFile1;
+    }
+
+    public static Set<String> findCommonWords2(Set<String> wordsInFile1)  {
+        Set<String> commonWords = new HashSet<>();
+
+        try (BufferedReader reader2 = new BufferedReader(new FileReader(Const.BRUTFORCE_PATH))) {
+            String line;
+            while ((line = reader2.readLine()) != null) {
+                String[] words = line.split("\\s+");
+                for (String word : words) {
+                    if (wordsInFile1.contains(word.toLowerCase())) {
+                        commonWords.add(word.toLowerCase());
+                    }
+                }
+            }
+
+        } catch (IOException e) {
+            throw new AppExeption(e.getMessage());
+        }
+
+        return commonWords;
+    }
+
+    public static int bruteforceShift(int shift) {
+        ++shift;
+        return shift;
+    }
+
+}

src/main/java/com/javarush/popkovdmitriy/command/Decode.java

@@ -0,0 +1,9 @@
+package com.javarush.popkovdmitriy.command;
+
+public class Decode {
+
+    public static String decrypt(String text, int shift) {
+
+        return Encode.encrypt(text, (-1*shift));
+    }
+}

src/main/java/com/javarush/popkovdmitriy/command/Encode.java

@@ -0,0 +1,66 @@
+package com.javarush.popkovdmitriy.command;
+
+
+
+
+import static com.javarush.popkovdmitriy.constant.Alphabet.*;
+
+public class Encode {
+
+
+    public static String encrypt(String text, int shift) {
+        StringBuilder encryptedText = new StringBuilder();
+
+        for (char character : text.toCharArray()) {
+            encryptedText.append(encryptCharacter(character, shift));
+        }
+
+        return encryptedText.toString();
+    }
+
+    private static char encryptCharacter(char character, int shift) {
+
+        if (( character >='a' && character <='z')||( character >='A' && character <='Z')) {
+
+            if (Character.isLowerCase(character)) {
+
+                return encryptInAlphabet(character, LATIN_ALPHABET, shift);
+            } else if (Character.isUpperCase(character)) {
+
+                return encryptInAlphabet(Character.toLowerCase(character), LATIN_ALPHABET, shift);
+            }
+        }
+
+            if ( character >='а' && character <='я')
+
+       {
+
+            return encryptInAlphabet(character, RUSSIAN_ALPHABET, shift);
+        } else
+            if ( character >='А' && character <='Я'){
+            return encryptInAlphabet(character, RUSSIAN_ALPHABET_UPPER, shift);
+        }
+
+        return encryptInAlphabet(character, SYMBOLS, shift);
+    }
+
+    private static char encryptInAlphabet(char character, char[] alphabet, int shift) {
+        int index = -1;
+
+
+        for (int i = 0; i< alphabet.length ;i++){
+            if (alphabet[i] == character) {
+                index = i;
+                break;
+            }
+        }
+        if (index != -1) {
+            int newIndex = (index + shift) % alphabet.length;
+            return alphabet[(newIndex + alphabet.length) % alphabet.length];
+        }
+
+
+        return character;
+    }
+
+}

src/main/java/com/javarush/popkovdmitriy/command/Exit.java

@@ -0,0 +1,11 @@
+package com.javarush.popkovdmitriy.command;
+
+
+public class Exit {
+ public static void exit(){
+     System.exit(0);
+ }
+
+    }
+
+

src/main/java/com/javarush/popkovdmitriy/console/ConsoleApp.java

@@ -0,0 +1,67 @@
+package com.javarush.popkovdmitriy.console;
+
+import com.javarush.popkovdmitriy.command.Exit;
+import com.javarush.popkovdmitriy.exeption.AppExeption;
+
+import java.util.Scanner;
+
+import static com.javarush.popkovdmitriy.console.Messages.outMode;
+
+public class ConsoleApp {
+    public  String filename;
+    private  final Scanner scanner;
+   public Menu inputmenu_Console;
+   public int shift;
+
+    public  ConsoleApp(Menu inputmenu,Scanner scanner) {
+this.scanner=scanner;
+        this.inputmenu_Console=inputmenu;
+        if (inputmenu.inputmenu==3) {
+            Exit.exit();
+        }
+            inputShift(inputmenu);
+
+
+
+
+
+    }
+
+
+
+    private String getinputPath() {
+
+        this.filename=getScanner().nextLine();
+
+
+        return  this.filename;
+    }
+
+
+   public Scanner getScanner() {
+       return scanner;
+   }
+
+   public void  inputShift(Menu inputmenu){
+       System.out.print("Введите имя файла для режима  "+ outMode[inputmenu.inputmenu]+"   " );
+       this.filename =getinputPath();
+       if (inputmenu.inputmenu!=2){
+           String shift1;
+
+           System.out.print("Введите ключ  ");
+           shift1=getScanner().nextLine();
+           try {
+
+               this.shift=Integer.parseInt(shift1);
+           } catch (NumberFormatException e) {
+               throw new AppExeption(e.getMessage());
+           }
+       }else {
+           this.shift=1;
+
+       }
+
+   }
+
+}
+

src/main/java/com/javarush/popkovdmitriy/console/Menu.java

@@ -0,0 +1,51 @@
+package com.javarush.popkovdmitriy.console;
+import java.util.Scanner;
+
+import static com.javarush.popkovdmitriy.console.Messages.*;
+
+public class Menu {
+
+    public  Scanner scanner;
+   public  int inputmenu;
+
+
+
+
+    public Menu(Scanner input) {
+        int mode;
+        this.scanner=input;
+        String inputmode;
+
+            System.out.println(EncodeMenu + "  1");
+            System.out.println(DecodeMenu + "  2");
+            System.out.println( BruteForce+ "  3");
+        System.out.println(ExitMenu + "  4");
+            System.out.print("Выбран режим  ");
+do{
+    inputmode = input.nextLine();
+
+
+            mode = switch (inputmode) {
+                case "1" -> 0;
+                case "2" -> 1;
+                case "3" -> 2;
+                 case "4" -> 3;
+               //  case "5" -> 4;
+                default -> {
+
+                    System.out.println("INCORRECT_SELECTION");
+
+                    yield -1;
+
+                }
+            };
+
+
+        } while (mode < 0) ;
+
+        System.out.println(outMode[mode]);
+this.inputmenu=mode;
+        }
+
+
+}

src/main/java/com/javarush/popkovdmitriy/console/Messages.java

@@ -0,0 +1,10 @@
+package com.javarush.popkovdmitriy.console;
+
+public interface Messages {
+    String EncodeMenu="Кодирование текста";
+    String DecodeMenu="Декодирование текста";
+    String BruteForce="Взлом приложения";
+    String ExitMenu="Выход из приложения";
+String[] outMode=new String[]{EncodeMenu,DecodeMenu,BruteForce,ExitMenu};
+
+}

src/main/java/com/javarush/popkovdmitriy/constant/Alphabet.java

@@ -0,0 +1,13 @@
+package com.javarush.popkovdmitriy.constant;
+
+
+
+public class Alphabet {
+
+
+    public static final char[] LATIN_ALPHABET ="abcdefghijklmnopqrstuvwxyz".toCharArray();
+    public static final char[] RUSSIAN_ALPHABET = "абвгдежзийклмнопрстуфхцчшщъыьэюя".toCharArray();
+    public static final char[] RUSSIAN_ALPHABET_UPPER ="АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ".toCharArray();
+    public static final char[] SYMBOLS = "☮.,”’:-!? ".toCharArray();
+
+}

src/main/java/com/javarush/popkovdmitriy/constant/Const.java

@@ -0,0 +1,17 @@
+package com.javarush.popkovdmitriy.constant;
+
+import java.io.File;
+
+import static java.lang.System.getProperty;
+
+public interface Const {
+    String TXT_FOLDER = getProperty("user.dir") +
+            File.separator +
+            "text" +
+            File.separator;
+
+String ENCRYPTED_PATH=TXT_FOLDER+"encryptedText.txt";
+    String DECRYPTED_PATH=TXT_FOLDER+"decryptedText.txt";
+    String METRIKA_PATH=TXT_FOLDER+"dict.txt";
+    String BRUTFORCE_PATH=TXT_FOLDER+"brutforsText.txt";
+}