add aspectj

edu.tictactoe/build.gradle

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+/*
+*/
+
+plugins {
+    // Apply the java plugin.
+    id 'java'
+}
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(25)
+    }
+}
+
+group = 'edu.tictactoe'
+version = '1.0'
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+dependencies {
+   implementation("org.aspectj:aspectjrt:1.9.25") 
+}
+
+jar {
+  duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+  from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
+}
+
+tasks.named('jar') {
+    manifest {
+        attributes('Implementation-Title': 'edu.tictactoe',
+                   'Implementation-Version': 1.0,
+                   'Main-Class': 'edu.tictactoe.App',
+                   'Class-Path': 'edu.tictactoe org.aspectj.runtime' )
+    }
+}

edu.tictactoe/src/main/java/edu/tictactoe/App.java

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+package edu.tictactoe;
+
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+public final class App {
+    // main function
+    public static void main(String[] args) throws Exception {
+        EventQueue.invokeLater(() -> {
+            // Create the Frame
+            BoardFrame frame = new BoardFrame("TicTacToe");
+            App.Initialize(frame);
+        });
+    }
+
+    final static void Initialize(Frame frame) {
+        frame.setTitle("TicTacToe");
+        // Set the layout manager to GridLayout (3 rows, 3 columns)
+        frame.setLayout(new GridLayout(3, 3));
+        frame.setEnabled(false);
+
+        Board board = new Board(frame);
+        // board Set butttons in grid
+        board.setup();
+
+        // Set Menubar for new game
+        MenuBar menuBar = new MenuBar();
+        Menu gameMenu = new Menu("Game");
+        gameMenu.setFont(frame.getFont());
+        MenuItem newGame = new MenuItem("New Game");
+        gameMenu.add(newGame);
+        menuBar.add(gameMenu);
+        frame.setMenuBar(menuBar);
+
+        // Set frame properties
+        frame.setSize(480, 480); // Set an initial size
+        frame.pack();
+        frame.setResizable(false);
+        frame.setLocationRelativeTo(null); // Center
+        frame.setEnabled(true);
+        frame.setVisible(true); // Make the frame visible
+
+        // Add a window listener to handle the close button
+        frame.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                System.exit(0);
+            }
+        });
+
+        newGame.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                frame.removeAll();
+                App.Initialize(frame);
+            }
+        });
+    }
+}

edu.tictactoe/src/main/java/edu/tictactoe/Board.java

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+package edu.tictactoe;
+
+import java.util.Random;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+import javax.swing.JOptionPane;
+
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.image.BufferedImage;
+
+public final class Board {
+    final static int PlayerUser = 1;
+    final static int PlayerSystem = 0;
+
+    private static final BufferedImage xImage = ResourceImageLoader.loadImageFromResource("/x.png");
+    private static final BufferedImage naughtImage = ResourceImageLoader.loadImageFromResource("/naught.png");
+
+    final Timer timer = new Timer();
+
+    final BoardButton[] buttons = new BoardButton[9];
+
+    Integer player = Board.PlayerUser;
+    Frame frame = null;
+
+    public Board(Frame frame) {
+        this.frame = frame;
+    }
+
+    public void setup() { // user inputs on tictactoe board
+        BufferedImage blankImage = BoardButton.getBlankImage();
+        buttons[0] = new BoardButton("0", new ImageIcon(blankImage), this);
+        buttons[1] = new BoardButton("1", new ImageIcon(blankImage), this);
+        buttons[2] = new BoardButton("2", new ImageIcon(blankImage), this);
+        buttons[3] = new BoardButton("3", new ImageIcon(blankImage), this);
+        buttons[4] = new BoardButton("4", new ImageIcon(blankImage), this);
+        buttons[5] = new BoardButton("5", new ImageIcon(blankImage), this);
+        buttons[6] = new BoardButton("6", new ImageIcon(blankImage), this);
+        buttons[7] = new BoardButton("7", new ImageIcon(blankImage), this);
+        buttons[8] = new BoardButton("8", new ImageIcon(blankImage), this);
+        for (BoardButton button : buttons) {
+            frame.add(button);
+        }
+
+        this.setPlayer(Board.PlayerUser);
+    }
+
+    public BoardButton[] getButtons() {
+        return buttons;
+    }
+
+    public int getRandomPlay() {
+        Random random = new Random();
+        // Generate a random integer from 0 to 8.
+        int position = random.nextInt(9);
+        // Generate another guess if position played.
+        while (getButtons()[position].played) {
+            position = random.nextInt(9);
+        }
+        ;
+
+        return position;
+    }
+
+    protected void setEnabledUIContainer(boolean enabled) {
+        this.frame.setEnabled(enabled);
+    }
+
+    protected void setPlayerTurnOnBoard() {
+        // Set turn on board
+        if (player == Board.PlayerUser) {
+            player = Board.PlayerSystem;
+        } else if (player == Board.PlayerSystem) {
+            player = Board.PlayerUser;
+        }
+    }
+
+    protected boolean winnerCheck() {
+
+        if ((buttons[0].played && buttons[4].played && buttons[8].played)
+                &&
+                buttons[0].player == buttons[4].player
+                && buttons[4].player == buttons[8].player) {
+
+            return true;
+
+        }
+
+        if ((buttons[2].played && buttons[4].played && buttons[6].played)
+                &&
+                buttons[2].player == buttons[4].player
+                && buttons[4].player == buttons[6].player) {
+
+            return true;
+
+        }
+
+        if ((buttons[0].played && buttons[1].played && buttons[2].played)
+                &&
+                buttons[0].player == buttons[1].player
+                && buttons[1].player == buttons[2].player) {
+            return true;
+
+        }
+
+        if ((buttons[3].played && buttons[4].played && buttons[5].played)
+                &&
+                buttons[3].player == buttons[4].player
+                && buttons[4].player == buttons[5].player) {
+
+            return true;
+        }
+
+        if ((buttons[6].played && buttons[7].played && buttons[8].played)
+                &&
+                buttons[6].player == buttons[7].player
+                && buttons[7].player == buttons[8].player) {
+            return true;
+        }
+
+        if ((buttons[0].played && buttons[3].played && buttons[6].played)
+                &&
+                buttons[0].player == buttons[3].player
+                && buttons[3].player == buttons[6].player) {
+            return true;
+
+        }
+
+        if ((buttons[1].played && buttons[4].played && buttons[7].played)
+                &&
+                buttons[1].player == buttons[4].player
+                && buttons[4].player == buttons[7].player) {
+            return true;
+        }
+
+        if ((buttons[2].played && buttons[5].played && buttons[8].played)
+                &&
+                buttons[2].player == buttons[5].player
+                && buttons[5].player == buttons[8].player) {
+            return true;
+        }
+        return false;
+    }
+
+    synchronized protected void PlayEventUpdate() {
+        long delay = 0L;
+
+        if (winnerCheck()) {
+
+            frame.setEnabled(false);
+            // show Winner Dialog
+            String message = this.player == Board.PlayerUser ? String.format("You") : String.format("System");
+            frame.setTitle("TicTacToe - " + message + " won.");
+            JOptionPane.showMessageDialog(frame, message + " won.", "Winner!", JOptionPane.WARNING_MESSAGE);
+            EventQueue.invokeLater(() -> {
+                ((BoardFrame) frame).fireGameOverWindowEvent("Game over.");
+            });
+            return;
+        }
+
+        setPlayerTurnOnBoard();
+
+        if (this.player == Board.PlayerSystem) {
+            delay = 1400L;
+            frame.setEnabled(false);
+            timer.schedule(new SystemPlayTask(this), delay);
+        }
+    }
+
+    public int getPlayer() {
+        return this.player;
+    }
+
+    public void setPlayer(int player) {
+        this.player = player;
+    }
+
+    public Icon setPlayerMark() {
+        return new ImageIcon(player == Board.PlayerUser ? xImage : naughtImage);
+    }
+}
+
+class SystemPlayTask extends TimerTask {
+    final Board board;
+
+    SystemPlayTask(Board board) {
+        super();
+        this.board = board;
+    }
+
+    @Override
+    public void run() {
+        int iplay = board.getRandomPlay();
+        System.out.println("Task execute mark " + iplay + "  at: " + new java.util.Date());
+        board.getButtons()[iplay].doClick();
+        board.setEnabledUIContainer(true);
+    }
+}

edu.tictactoe/src/main/java/edu/tictactoe/BoardButton.java

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+package edu.tictactoe;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.image.BufferedImage;
+
+import javax.swing.ImageIcon;
+import javax.swing.JButton;
+
+public class BoardButton extends JButton implements ActionListener {
+
+    // Board
+    private static final BufferedImage blankImage = ResourceImageLoader.loadImageFromResource("/blank.png");
+
+    final Board board;
+    Boolean played = false;
+    Integer player = -1;
+
+    public BoardButton(String label, ImageIcon imageIcon, Board board) {
+        super(label, imageIcon);
+        this.board = board;
+        this.setMargin(new java.awt.Insets(0, 0, 0, 0));
+        this.addActionListener(this);
+    }
+
+    public static final BufferedImage getBlankImage() {
+        return blankImage;
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        if(this.played) return;
+
+        this.setIcon(board.setPlayerMark());
+        this.played = true;
+        this.player = board.player;
+
+        board.PlayEventUpdate();
+    }
+}

edu.tictactoe/src/main/java/edu/tictactoe/BoardFrame.java

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+package edu.tictactoe;
+
+import java.awt.Frame;
+
+public class BoardFrame extends Frame {
+
+
+    public BoardFrame(String title) {
+        super(title);
+    }
+
+    // Method to fire game over event
+    public void fireGameOverWindowEvent(String message) {
+        this.removeAll();
+        App.Initialize(this);
+    }
+}

edu.tictactoe/src/main/java/edu/tictactoe/ResourceImageLoader.java

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+package edu.tictactoe;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.InputStream;
+
+public final class ResourceImageLoader {
+    public static BufferedImage loadImageFromResource(String resourcePath) {
+        try (InputStream is = ResourceImageLoader.class.getResourceAsStream(resourcePath)) {
+            if (is == null) {
+                System.err.println(
+                        "Resource not found: at " + ResourceImageLoader.class.getResource("/") + " - " + resourcePath);
+                return null;
+            }
+            return ImageIO.read(is);
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+}