Lab 3 - JavaFX Chat Application (Updated)

.gitignore

@@ -1,2 +1,5 @@
 target/
 /.idea/
+.env
+.env.local
+*.env

README.md

@@ -16,3 +16,6 @@ A JavaFX-based chat client using [ntfy](https://docs.ntfy.sh/) for backend messa
 2. Start with:
    ```bash
    ./mvnw clean javafx:run
+
+## Author
+Created for Lab 3 - Network Programming

ntfy-server.yml

@@ -0,0 +1,11 @@
+# ntfy server configuration
+base-url: "http://localhost:8080"
+
+# Enable attachments
+attachment-cache-dir: "/var/cache/ntfy/attachments"
+attachment-total-size-limit: "5G"
+attachment-file-size-limit: "50M"
+attachment-expiry-duration: "3h"
+
+# Logging
+log-level: "info"

pom.xml

@@ -1,68 +1,121 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-
     <groupId>com.example</groupId>
-    <artifactId>javafx</artifactId>
+    <artifactId>javafx-chat-app</artifactId>
     <version>1.0-SNAPSHOT</version>
-
     <properties>
-        <maven.compiler.release>25</maven.compiler.release>
+        <javafx.version>21.0.3</javafx.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <junit.jupiter.version>6.0.0</junit.jupiter.version>
-        <assertj.core.version>3.27.6</assertj.core.version>
-        <mockito.version>5.20.0</mockito.version>
-        <javafx.version>25</javafx.version>
     </properties>
     <dependencies>
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-controls</artifactId>
+            <version>${javafx.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-fxml</artifactId>
+            <version>${javafx.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>2.17.0</version>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
-            <version>${junit.jupiter.version}</version>
+            <version>5.10.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.core.version}</version>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.10.2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>5.10.2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>5.11.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-junit-jupiter</artifactId>
-            <version>${mockito.version}</version>
+            <version>5.11.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>org.openjfx</groupId>
-            <artifactId>javafx-controls</artifactId>
-            <version>${javafx.version}</version>
+            <groupId>net.bytebuddy</groupId>
+            <artifactId>byte-buddy</artifactId>
+            <version>1.15.10</version>
+            <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>org.openjfx</groupId>
-            <artifactId>javafx-fxml</artifactId>
-            <version>${javafx.version}</version>
+            <groupId>net.bytebuddy</groupId>
+            <artifactId>byte-buddy-agent</artifactId>
+            <version>1.15.10</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.25.3</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wiremock</groupId>
+            <artifactId>wiremock</artifactId>
+            <version>3.9.2</version>
+            <scope>test</scope>
         </dependency>
     </dependencies>
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.13.0</version>
+                <configuration>
+                    <release>21</release>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.openjfx</groupId>
                 <artifactId>javafx-maven-plugin</artifactId>
                 <version>0.0.8</version>
                 <configuration>
                     <mainClass>com.example.HelloFX</mainClass>
                     <options>
-                    <option>--enable-native-access=javafx.graphics</option>
+                        <option>--add-exports</option>
+                        <option>javafx.graphics/com.sun.glass.utils=ALL-UNNAMED</option>
                     </options>
-                    <launcher>javafx</launcher>
-                    <stripDebug>true</stripDebug>
-                    <noHeaderFiles>true</noHeaderFiles>
-                    <noManPages>true</noManPages>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.2.5</version>
+                <configuration>
+                    <argLine>
+                        --add-opens java.base/java.lang=ALL-UNNAMED
+                        --add-opens java.base/java.util=ALL-UNNAMED
+                    </argLine>
                 </configuration>
             </plugin>
         </plugins>
     </build>
-</project>
+</project>

src/main/java/com/example/HelloController.java

@@ -3,9 +3,6 @@
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
 
-/**
- * Controller layer: mediates between the view (FXML) and the model.
- */
 public class HelloController {
 
     private final HelloModel model = new HelloModel();

src/main/java/com/example/HelloFX.java

@@ -1,25 +1,27 @@
 package com.example;
 
+import com.example.util.EnvLoader;
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
-import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.stage.Stage;
 
+import java.io.IOException;
+
 public class HelloFX extends Application {
 
     @Override
-    public void start(Stage stage) throws Exception {
-        FXMLLoader fxmlLoader = new FXMLLoader(HelloFX.class.getResource("hello-view.fxml"));
-        Parent root = fxmlLoader.load();
-        Scene scene = new Scene(root, 640, 480);
-        stage.setTitle("Hello MVC");
+    public void start(Stage stage) throws IOException {
+        FXMLLoader fxmlLoader = new FXMLLoader(HelloFX.class.getResource("ChatView.fxml"));
+        Scene scene = new Scene(fxmlLoader.load());
+
+        stage.setTitle("Java25 Chat App");
         stage.setScene(scene);
         stage.show();
     }
 
     public static void main(String[] args) {
+        EnvLoader.load();
         launch();
     }
-
 }

src/main/java/com/example/HelloModel.java

@@ -1,12 +1,7 @@
 package com.example;
 
-/**
- * Model layer: encapsulates application data and business logic.
- */
 public class HelloModel {
-    /**
-     * Returns a greeting based on the current Java and JavaFX versions.
-     */
+
     public String getGreeting() {
         String javaVersion = System.getProperty("java.version");
         String javafxVersion = System.getProperty("javafx.version");

src/main/java/com/example/controller/ChatController.java

@@ -0,0 +1,142 @@
+package com.example.controller;
+
+import com.example.model.ChatModel;
+import com.example.model.NtfyMessage;
+import javafx.fxml.FXML;
+import javafx.scene.control.ListView;
+import javafx.scene.control.TextField;
+import javafx.scene.control.Label;
+import javafx.scene.control.ListCell;
+import javafx.concurrent.Task;
+import javafx.geometry.Pos;
+import javafx.stage.FileChooser;
+
+import java.io.File;
+
+public class ChatController {
+
+    @FXML
+    private ListView<String> messageListView;
+
+    @FXML
+    private TextField messageInput;
+
+    @FXML
+    private Label statusLabel;
+
+    private ChatModel model;
+
+    @FXML
+    public void initialize() {
+        this.model = new ChatModel();
+
+        updateStatusOnline();
+
+        messageListView.setCellFactory(listView -> new ListCell<String>() {
+            @Override
+            protected void updateItem(String item, boolean empty) {
+                super.updateItem(item, empty);
+                if (empty || item == null) {
+                    setText(null);
+                    setGraphic(null);
+                    setStyle("");
+                } else {
+                    setText(item);
+                    setAlignment(Pos.CENTER_LEFT);
+                    setStyle("-fx-background-color: rgba(255, 250, 240, 0.6); " +
+                            "-fx-text-fill: #3d3d3d; " +
+                            "-fx-padding: 14 18 14 18; " +
+                            "-fx-border-color: rgba(214, 69, 69, 0.15); " +
+                            "-fx-border-width: 0 0 0 3; " +
+                            "-fx-font-size: 13px; " +
+                            "-fx-background-radius: 0; " +
+                            "-fx-border-radius: 0; " +
+                            "-fx-effect: dropshadow(gaussian, rgba(0,0,0,0.05), 3, 0, 0, 2);");
+                }
+            }
+        });
+
+        model.getMessages().addListener((javafx.collections.ListChangeListener.Change<? extends NtfyMessage> change) -> {
+            while (change.next()) {
+                if (change.wasAdded()) {
+                    for (NtfyMessage msg : change.getAddedSubList()) {
+                        String formatted = "🌸 " + msg.message();
+                        messageListView.getItems().add(formatted);
+                    }
+                    messageListView.scrollTo(messageListView.getItems().size() - 1);
+                }
+            }
+        });
+    }
+
+    @FXML
+    private void handleSendButtonAction() {
+        String text = messageInput.getText();
+        if (text != null && !text.trim().isEmpty()) {
+            Task<Void> task = new Task<>() {
+                @Override
+                protected Void call() throws Exception {
+                    model.sendMessage(text.trim());
+                    return null;
+                }
+            };
+
+            task.setOnSucceeded(e -> {
+                messageInput.clear();
+                updateStatusOnline();
+            });
+
+            task.setOnFailed(e -> {
+                System.err.println("Send failed: " + task.getException().getMessage());
+                updateStatusOffline();
+            });
+
+            new Thread(task).start();
+        }
+    }
+
+    @FXML
+    private void handleAttachFileAction() {
+        FileChooser fileChooser = new FileChooser();
+        fileChooser.setTitle("Select File");
+        File file = fileChooser.showOpenDialog(messageInput.getScene().getWindow());
+
+        if (file != null) {
+            Task<Void> task = new Task<>() {
+                @Override
+                protected Void call() throws Exception {
+                    model.sendFile(file);
+                    return null;
+                }
+            };
+
+            task.setOnSucceeded(e -> {
+                System.out.println("✅ File info sent: " + file.getName());
+            });
+
+            task.setOnFailed(e -> {
+                System.err.println("❌ File send failed: " + task.getException().getMessage());
+            });
+
+            new Thread(task).start();
+        }
+    }
+
+    private void updateStatusOnline() {
+        if (statusLabel != null) {
+            statusLabel.setText("● online");
+            statusLabel.setStyle("-fx-text-fill: #c93939; " +
+                    "-fx-font-size: 10px; " +
+                    "-fx-effect: dropshadow(gaussian, rgba(0,0,0,0.3), 2, 0, 0, 1);");
+        }
+    }
+
+    private void updateStatusOffline() {
+        if (statusLabel != null) {
+            statusLabel.setText("● offline");
+            statusLabel.setStyle("-fx-text-fill: #6b5d54; " +
+                    "-fx-font-size: 10px; " +
+                    "-fx-effect: dropshadow(gaussian, rgba(0,0,0,0.3), 2, 0, 0, 1);");
+        }
+    }
+}