Upload v1

src/main/java/tech/nevets/dlite/ChatWindow.java

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+/*
+ * Created by JFormDesigner on Thu Jan 04 15:01:53 CST 2024
+ */
+
+package tech.nevets.dlite;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.io.IOException;
+import javax.swing.*;
+import javax.swing.plaf.BorderUIResource;
+
+import net.miginfocom.swing.*;
+
+/**
+ * @author steven
+ */
+public class ChatWindow extends JPanel {
+    private boolean connected = false;
+    private boolean darkModeBool = true;
+
+    public ChatWindow() {
+        initComponents();
+    }
+
+    private void connectBtnMouseClicked(MouseEvent e) {
+        if (connected) {
+            ConnectionManager.closeActiveConnection();
+            connStatus.setText("Disconnected");
+            connectBtn.setText("Connect");
+            connected = false;
+        } else {
+            Connection conn;
+            try {
+                conn = new Connection(username.getText(), connAddr.getText());
+                ConnectionManager.setActiveConnection(conn);
+            } catch (final Exception ex) {
+                connStatus.setText("Error: " + ex.getMessage());
+                connAddr.setBorder(new BorderUIResource(BorderFactory.createLineBorder(Color.RED)));
+                return;
+            }
+            chat.setText("");
+            conn.setComponents(chat, scrollPane);
+            connStatus.setText("Connected");
+            connectBtn.setText("Disconnect");
+            connected = true;
+        }
+    }
+
+    private void connAddrKeyPressed(KeyEvent e) {
+        connAddr.setBorder(UIManager.getBorder("TextField.border"));
+    }
+
+    private void usernameFocusGained(FocusEvent e) {
+        if (username.getText().trim().equals("Username")) {
+            username.setText("");
+        }
+    }
+
+    private void usernameFocusLost(FocusEvent e) {
+        if (username.getText().trim().isEmpty()) {
+            username.setText("Username");
+        }
+    }
+
+    private void connAddrFocusGained(FocusEvent e) {
+        if (connAddr.getText().trim().equals("Address:Port")) {
+            connAddr.setText("");
+        }
+    }
+
+    private void connAddrFocusLost(FocusEvent e) {
+        if (connAddr.getText().trim().isEmpty()) {
+            connAddr.setText("Address:Port");
+        }
+    }
+
+    private void sendBtnMouseClicked(MouseEvent e) {
+        Connection conn = ConnectionManager.getActiveConnection();
+        if (conn == null) {
+            return;
+        }
+        conn.sendMessage(messageBox.getText().trim());
+        messageBox.setText("");
+    }
+
+    private void messageBoxKeyPressed(KeyEvent e) {
+        if (e.getKeyCode() == 10 && !messageBox.getText().trim().isEmpty()) {
+            sendBtnMouseClicked(null);
+        }
+    }
+
+    private void darkModeMouseClicked(MouseEvent e) {
+        if (darkModeBool) {
+            Main.setDarkMode(false);
+            darkModeBool = false;
+            darkMode.setText("Dark Mode");
+        } else {
+            Main.setDarkMode(true);
+            darkModeBool = true;
+            darkMode.setText("Light Mode");
+        }
+    }
+
+    private void initComponents() {
+        // JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents  @formatter:off
+        connStatus = new JLabel();
+        darkMode = new JButton();
+        username = new JTextField();
+        connAddr = new JTextField();
+        connectBtn = new JButton();
+        scrollPane = new JScrollPane();
+        chat = new JTextArea();
+        messageBox = new JTextField();
+        sendBtn = new JButton();
+
+        //======== this ========
+        setPreferredSize(new Dimension(720, 480));
+        setLayout(new MigLayout(
+            "fill,hidemode 3",
+            // columns
+            "[161,fill]" +
+            "[298,grow,fill]" +
+            "[94,shrink 0,center]",
+            // rows
+            "0[24,top]0" +
+            "[24,shrink 0,center]" +
+            "[grow]" +
+            "[24]"));
+
+        //---- connStatus ----
+        connStatus.setText("Disconnected");
+        add(connStatus, "cell 0 0 2 1,aligny center,growy 0");
+
+        //---- darkMode ----
+        darkMode.setText("Dark Mode");
+        darkMode.addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e) {
+                darkModeMouseClicked(e);
+            }
+        });
+        add(darkMode, "cell 2 0,growx");
+
+        //---- username ----
+        username.setText("Username");
+        username.addFocusListener(new FocusAdapter() {
+            @Override
+            public void focusGained(FocusEvent e) {
+                usernameFocusGained(e);
+            }
+            @Override
+            public void focusLost(FocusEvent e) {
+                usernameFocusLost(e);
+            }
+        });
+        add(username, "cell 0 1,growy");
+
+        //---- connAddr ----
+        connAddr.setText("Address:Port");
+        connAddr.addKeyListener(new KeyAdapter() {
+            @Override
+            public void keyPressed(KeyEvent e) {
+                connAddrKeyPressed(e);
+            }
+        });
+        connAddr.addFocusListener(new FocusAdapter() {
+            @Override
+            public void focusGained(FocusEvent e) {
+                connAddrFocusGained(e);
+            }
+            @Override
+            public void focusLost(FocusEvent e) {
+                connAddrFocusLost(e);
+            }
+        });
+        add(connAddr, "cell 1 1,growy");
+
+        //---- connectBtn ----
+        connectBtn.setText("Connect");
+        connectBtn.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
+        connectBtn.addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e) {
+                connectBtnMouseClicked(e);
+            }
+        });
+        add(connectBtn, "cell 2 1,grow");
+
+        //======== scrollPane ========
+        {
+            scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
+            scrollPane.setAutoscrolls(true);
+
+            //---- chat ----
+            chat.setEditable(false);
+            chat.setFont(new Font("Tahoma", Font.PLAIN, 11));
+            chat.setLineWrap(true);
+            scrollPane.setViewportView(chat);
+        }
+        add(scrollPane, "cell 0 2 3 1,grow");
+
+        //---- messageBox ----
+        messageBox.addKeyListener(new KeyAdapter() {
+            @Override
+            public void keyPressed(KeyEvent e) {
+                messageBoxKeyPressed(e);
+            }
+        });
+        add(messageBox, "cell 0 3 2 1,growy");
+
+        //---- sendBtn ----
+        sendBtn.setText("Send");
+        sendBtn.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
+        sendBtn.addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e) {
+                sendBtnMouseClicked(e);
+            }
+        });
+        add(sendBtn, "cell 2 3,grow");
+        // JFormDesigner - End of component initialization  //GEN-END:initComponents  @formatter:on
+    }
+
+    // JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables  @formatter:off
+    private JLabel connStatus;
+    private JButton darkMode;
+    private JTextField username;
+    private JTextField connAddr;
+    private JButton connectBtn;
+    private JScrollPane scrollPane;
+    private JTextArea chat;
+    private JTextField messageBox;
+    private JButton sendBtn;
+    // JFormDesigner - End of variables declaration  //GEN-END:variables  @formatter:on
+}

src/main/java/tech/nevets/dlite/ChatWindow.jfd

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+JFDML JFormDesigner: "8.2.1.0.348" Java: "17.0.9" encoding: "UTF-8"
+
+new FormModel {
+	contentType: "form/swing"
+	root: new FormRoot {
+		add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
+			"$layoutConstraints": "fill,hidemode 3"
+			"$columnConstraints": "[161,fill][298,grow,fill][94,shrink 0,center]"
+			"$rowConstraints": "0[24,top]0[24,shrink 0,center][grow][24]"
+		} ) {
+			name: "this"
+			"preferredSize": new java.awt.Dimension( 720, 480 )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "connStatus"
+				"text": "Disconnected"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 0 2 1,aligny center,growy 0"
+			} )
+			add( new FormComponent( "javax.swing.JButton" ) {
+				name: "darkMode"
+				"text": "Dark Mode"
+				addEvent( new FormEvent( "java.awt.event.MouseListener", "mouseClicked", "darkModeMouseClicked", true ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 0,growx"
+			} )
+			add( new FormComponent( "javax.swing.JTextField" ) {
+				name: "username"
+				"text": "Username"
+				addEvent( new FormEvent( "java.awt.event.FocusListener", "focusGained", "usernameFocusGained", true ) )
+				addEvent( new FormEvent( "java.awt.event.FocusListener", "focusLost", "usernameFocusLost", true ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 1,growy"
+			} )
+			add( new FormComponent( "javax.swing.JTextField" ) {
+				name: "connAddr"
+				"text": "Address:Port"
+				addEvent( new FormEvent( "java.awt.event.KeyListener", "keyPressed", "connAddrKeyPressed", true ) )
+				addEvent( new FormEvent( "java.awt.event.FocusListener", "focusGained", "connAddrFocusGained", true ) )
+				addEvent( new FormEvent( "java.awt.event.FocusListener", "focusLost", "connAddrFocusLost", true ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 1,growy"
+			} )
+			add( new FormComponent( "javax.swing.JButton" ) {
+				name: "connectBtn"
+				"text": "Connect"
+				"cursor": &Cursor0 new java.awt.Cursor( 12 )
+				addEvent( new FormEvent( "java.awt.event.MouseListener", "mouseClicked", "connectBtnMouseClicked", true ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 1,grow"
+			} )
+			add( new FormContainer( "javax.swing.JScrollPane", new FormLayoutManager( class javax.swing.JScrollPane ) ) {
+				name: "scrollPane"
+				"horizontalScrollBarPolicy": 31
+				"autoscrolls": true
+				add( new FormComponent( "javax.swing.JTextArea" ) {
+					name: "chat"
+					"editable": false
+					"font": new java.awt.Font( "Tahoma", 0, 11 )
+					"lineWrap": true
+				} )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 2 3 1,grow"
+			} )
+			add( new FormComponent( "javax.swing.JTextField" ) {
+				name: "messageBox"
+				addEvent( new FormEvent( "java.awt.event.KeyListener", "keyPressed", "messageBoxKeyPressed", true ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 3 2 1,growy"
+			} )
+			add( new FormComponent( "javax.swing.JButton" ) {
+				name: "sendBtn"
+				"text": "Send"
+				"cursor": #Cursor0
+				addEvent( new FormEvent( "java.awt.event.MouseListener", "mouseClicked", "sendBtnMouseClicked", true ) )
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 2 3,grow"
+			} )
+		}, new FormLayoutConstraints( null ) {
+			"location": new java.awt.Point( 0, 0 )
+			"size": new java.awt.Dimension( 565, 340 )
+		} )
+	}
+}
+

src/main/java/tech/nevets/dlite/Connection.java

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+package tech.nevets.dlite;
+
+import javax.net.SocketFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManagerFactory;
+import javax.swing.*;
+import java.io.*;
+import java.net.MalformedURLException;
+import java.net.Socket;
+import java.security.KeyStore;
+import java.security.SecureRandom;
+
+public class Connection {
+    private Socket s;
+    private InputStream is;
+    private PrintStream out;
+    private String username;
+
+    private JTextArea chat;
+    private JScrollBar scrollBar;
+
+    public Connection(String username, String address) throws Exception {
+        String[] addrSplit = address.split(":");
+        if (addrSplit.length != 2) {
+            throw new MalformedURLException("Address not formatted 'ip:port'");
+        }
+
+        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
+        InputStream tStore = new FileInputStream("./truststore.p12");
+        trustStore.load(tStore, "".toCharArray());
+        tStore.close();
+        TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+        tmf.init(trustStore);
+
+        SSLContext ctx = SSLContext.getInstance("TLS");
+        ctx.init(null, tmf.getTrustManagers(), SecureRandom.getInstanceStrong());
+
+        SocketFactory factory = ctx.getSocketFactory();
+        s = factory.createSocket(addrSplit[0], Integer.parseInt(addrSplit[1]));
+
+        is = s.getInputStream();
+        OutputStream os = s.getOutputStream();
+        out = new PrintStream(os);
+        this.username = username;
+        out.println(username);
+    }
+
+    public void sendMessage(String message) {
+        out.println(username + "> " + message);
+    }
+
+    public void setComponents(JTextArea chat, JScrollPane scrollBar) {
+        this.chat = chat;
+        this.scrollBar = scrollBar.getVerticalScrollBar();
+        new Thread(() -> {
+            try {
+                is.transferTo(new ChatWriter());
+            } catch (IOException ignored) {}
+        }).start();
+    }
+
+    public void close() {
+        try {
+            s.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private class ChatWriter extends OutputStream {
+        String buf = "";
+
+        @Override
+        public void write(int b) {
+            buf += (char) b;
+            if (((char) b) == '\n') this.flush();
+        }
+
+        @Override
+        public void flush() {
+            chat.append(buf);
+            scrollBar.setValue(scrollBar.getMaximum());
+            buf = "";
+        }
+    }
+}

src/main/java/tech/nevets/dlite/ConnectionManager.java

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+package tech.nevets.dlite;
+
+public class ConnectionManager {
+    private static Connection conn;
+
+    public static void setActiveConnection(Connection c) {
+        conn = c;
+    }
+
+    public static Connection getActiveConnection() {
+        return conn;
+    }
+
+    public static void closeActiveConnection() {
+        conn.close();
+    }
+}

src/main/java/tech/nevets/dlite/Main.java

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+package tech.nevets.dlite;
+
+import com.formdev.flatlaf.FlatDarkLaf;
+import com.formdev.flatlaf.FlatLightLaf;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class Main {
+    private static final FlatDarkLaf DARK_LAF = new FlatDarkLaf();
+    private static final FlatLightLaf LIGHT_LAF = new FlatLightLaf();
+    private static TrayIcon trayIcon;
+    private static JFrame frame;
+
+    public static void main(String[] args) {
+        //startTrayService();
+        startUI();
+    }
+
+    public static void startUI() {
+        ChatWindow window = new ChatWindow();
+        frame = new JFrame();
+        frame.add(window);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        frame.pack();
+        frame.setTitle("Discord Lite");
+        frame.setIconImage(Toolkit.getDefaultToolkit().createImage(Main.class.getResource("/icon.png")));
+        frame.setLocationRelativeTo(null);
+        window.requestFocus();
+        setDarkMode(true);
+        frame.setVisible(true);
+    }
+
+    public static void setDarkMode(boolean darkMode) {
+        try {
+            if (darkMode) {
+                UIManager.setLookAndFeel(DARK_LAF);
+            } else {
+                UIManager.setLookAndFeel(LIGHT_LAF);
+            }
+            SwingUtilities.updateComponentTreeUI(frame);
+        } catch (UnsupportedLookAndFeelException e) {
+            e.printStackTrace();
+        }
+    }
+
+//    private static void startTrayService() {
+//        SystemTray sysTray = SystemTray.getSystemTray();
+//        Image img = Toolkit.getDefaultToolkit().createImage(Main.class.getResource("/icon.png"));
+//        trayIcon = new TrayIcon(img, "Discord Lite");
+//        trayIcon.setImageAutoSize(true);
+//        PopupMenu menu = new PopupMenu("Discord Lite");
+//        menu.add("Open Window");
+//        menu.add("Exit");
+//        menu.addActionListener(al -> {
+//            switch (al.getActionCommand().toLowerCase()) {
+//                case "open window" -> startUI();
+//                case "exit" -> System.exit(0);
+//            }
+//        });
+//        trayIcon.setPopupMenu(menu);
+//        try {
+//            sysTray.add(trayIcon);
+//        } catch (AWTException e) {
+//            e.printStackTrace();
+//        }
+//    }
+//
+//    public static void sendNotification(String title, String message) {
+//        trayIcon.displayMessage(title, message, TrayIcon.MessageType.INFO);
+//    }
+}