Viklin

pom.xml

@@ -1,7 +1,8 @@
 <?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
+                             http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.example</groupId>
@@ -15,7 +16,9 @@
         <assertj.core.version>3.27.6</assertj.core.version>
         <mockito.version>5.20.0</mockito.version>
         <javafx.version>25</javafx.version>
+        <jackson.version>2.19.2</jackson.version>
     </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -35,6 +38,12 @@
             <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.wiremock</groupId>
+            <artifactId>wiremock</artifactId>
+            <version>4.0.0-beta.15</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-controls</artifactId>
@@ -45,7 +54,28 @@
             <artifactId>javafx-fxml</artifactId>
             <version>${javafx.version}</version>
         </dependency>
+        <dependency>
+            <groupId>io.github.cdimascio</groupId>
+            <artifactId>dotenv-java</artifactId>
+            <version>3.2.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
     </dependencies>
+
     <build>
         <plugins>
             <plugin>
@@ -55,7 +85,7 @@
                 <configuration>
                     <mainClass>com.example.HelloFX</mainClass>
                     <options>
-                    <option>--enable-native-access=javafx.graphics</option>
+                        <option>--enable-native-access=javafx.graphics</option>
                     </options>
                     <launcher>javafx</launcher>
                     <stripDebug>true</stripDebug>
@@ -66,3 +96,4 @@
         </plugins>
     </build>
 </project>
+

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

@@ -1,22 +1,55 @@
 package com.example;
 
+import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
+import javafx.scene.control.ListView;
+import javafx.scene.control.TextField;
+import javafx.stage.FileChooser;
+
+import java.io.File;
 
-/**
- * Controller layer: mediates between the view (FXML) and the model.
- */
 public class HelloController {
 
-    private final HelloModel model = new HelloModel();
+    private final HelloModel model = new HelloModel(new NtfyConnectionImpl());
 
     @FXML
     private Label messageLabel;
 
+    @FXML
+    private ListView<NtfyMessageDto> messageView;
+
+    @FXML
+    private TextField inputMessage;
+
     @FXML
     private void initialize() {
-        if (messageLabel != null) {
-            messageLabel.setText(model.getGreeting());
+        messageLabel.setText(model.getGreeting());
+
+
+        messageView.setItems(model.getMessages());
+    }
+
+    @FXML
+    private void sendMessage(ActionEvent event) {
+        String text = inputMessage.getText();
+
+
+        model.setMessageToSend(text);
+        model.sendMessage();
+
+
+        inputMessage.clear();
+    }
+
+    @FXML
+    private void attachFile(ActionEvent event) {
+        FileChooser chooser = new FileChooser();
+        File file = chooser.showOpenDialog(messageView.getScene().getWindow());
+        if (file != null) {
+            model.sendFile(file);
         }
     }
 }
+
+

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

@@ -1,15 +1,63 @@
 package com.example;
 
-/**
- * Model layer: encapsulates application data and business logic.
- */
+import javafx.application.Platform;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
 public class HelloModel {
-    /**
-     * Returns a greeting based on the current Java and JavaFX versions.
-     */
+
+    private final NtfyConnection connection;
+    private final ObservableList<NtfyMessageDto> messages = FXCollections.observableArrayList();
+
+    private String messageToSend = "";
+
+    public HelloModel(NtfyConnection connection) {
+        this.connection = connection;
+
+        messages.add(new NtfyMessageDto("init", 0, "message", "mytopic", "Initial message"));
+
+        receiveMessages();
+    }
+
+    public ObservableList<NtfyMessageDto> getMessages() {
+        return messages;
+    }
+
+    public String getMessageToSend() {
+        return messageToSend;
+    }
+
+    public void setMessageToSend(String messageToSend) {
+        this.messageToSend = messageToSend;
+    }
+
+    public void sendMessage() {
+        if (messageToSend != null && !messageToSend.isBlank()) {
+            connection.send(messageToSend);
+        }
+        messageToSend = "";
+    }
+
+    public void sendFile(File file) {
+        try {
+            byte[] data = Files.readAllBytes(file.toPath());
+            connection.sendFile(file.getName(), data);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void receiveMessages() {
+        connection.receive(m -> Platform.runLater(() -> messages.add(m)));
+    }
+
     public String getGreeting() {
-        String javaVersion = System.getProperty("java.version");
-        String javafxVersion = System.getProperty("javafx.version");
-        return "Hello, JavaFX " + javafxVersion + ", running on Java " + javaVersion + ".";
+        return "Hello, JavaFX!";
     }
 }
+
+

src/main/java/com/example/ManyParameters.java

@@ -0,0 +1,19 @@
+package com.example;
+
+public class ManyParameters {
+
+    public ManyParameters(String computerName, int timeout,
+                          String method, int size, byte[] data) {
+
+    }
+
+
+    static void main() {
+        ManyParametersBuilder builder = new ManyParametersBuilder();
+        builder
+                .setComputerName("localhost")
+                .setTimeout(10)
+                .setSize(0)
+                .createManyParameters();
+    }
+}

src/main/java/com/example/ManyParametersBuilder.java

@@ -0,0 +1,38 @@
+package com.example;
+
+public class ManyParametersBuilder {
+    private String computerName;
+    private int timeout = 0;
+    private String method;
+    private int size = 0;
+    private byte[] data = null;
+
+    public ManyParametersBuilder setComputerName(String computerName) {
+        this.computerName = computerName;
+        return this;
+    }
+
+    public ManyParametersBuilder setTimeout(int timeout) {
+        this.timeout = timeout;
+        return this;
+    }
+
+    public ManyParametersBuilder setMethod(String method) {
+        this.method = method;
+        return this;
+    }
+
+    public ManyParametersBuilder setSize(int size) {
+        this.size = size;
+        return this;
+    }
+
+    public ManyParametersBuilder setData(byte[] data) {
+        this.data = data;
+        return this;
+    }
+
+    public ManyParameters createManyParameters() {
+        return new ManyParameters(computerName, timeout, method, size, data);
+    }
+}

src/main/java/com/example/NtfyConnection.java

@@ -0,0 +1,33 @@
+package com.example;
+
+import java.util.function.Consumer;
+
+public interface NtfyConnection {
+
+    /**
+     * Skickar ett textmeddelande till servern.
+     *
+     * @param message meddelandet som ska skickas
+     * @return true om det lyckades, false annars
+     */
+    boolean send(String message);
+
+    /**
+     * Registrerar en mottagare som hanterar inkommande meddelanden.
+     *
+     * @param messageHandler funktion som hanterar inkommande NtfyMessageDto
+     */
+    void receive(Consumer<NtfyMessageDto> messageHandler);
+
+    /**
+     * Skickar en fil till servern.
+     *
+     * @param filename namnet på filen
+     * @param data innehållet i filen som byte-array
+     */
+    void sendFile(String filename, byte[] data);
+}
+
+
+
+