working FTP

SymphonyProducer/pom.xml

@@ -15,6 +15,11 @@
             <artifactId>amqp-client</artifactId>
             <version>5.23.0</version>
         </dependency>
+        <dependency>
+            <groupId>commons-net</groupId>
+            <artifactId>commons-net</artifactId>
+            <version>3.11.1</version>
+        </dependency>
 
         <dependency>
             <groupId>com.google.code.gson</groupId>

SymphonyProducer/src/main/java/io/github/lumijiez/FTPClientConnector.java

@@ -0,0 +1,98 @@
+package io.github.lumijiez;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import org.apache.commons.net.ftp.FTPClient;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Random;
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class FTPClientConnector {
+    String ftpServer = "ftp_server";
+    int ftpPort = 21;
+    String ftpUser = "symphony";
+    String ftpPass = "symphony";
+    String ftpDir = "/";
+
+    FTPClientConnector() {
+        Timer timer = new Timer();
+        timer.scheduleAtFixedRate(new TimerTask() {
+            @Override
+            public void run() {
+                uploadRandomJsonToFtp(ftpServer, ftpPort, ftpUser, ftpPass, ftpDir);
+            }
+        }, 0, 30000);
+    }
+
+    public static void uploadRandomJsonToFtp(String ftpServer, int ftpPort, String ftpUser, String ftpPass, String ftpDir) {
+        JsonObject json = generateRandomJson();
+
+        Gson gson = new Gson();
+        String jsonString = gson.toJson(json);
+        InputStream inputStream = new ByteArrayInputStream(jsonString.getBytes());
+
+        FTPClient ftpClient = new FTPClient();
+        try {
+            ftpClient.connect(ftpServer, ftpPort);
+            boolean login = ftpClient.login(ftpUser, ftpPass);
+            if (!login) {
+                System.out.println("FTP login failed.");
+                return;
+            }
+
+            ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
+            ftpClient.enterLocalPassiveMode();
+
+            String subDir = "uploads";
+            if (!ftpClient.changeWorkingDirectory(subDir)) {
+                System.out.println("Subdirectory does not exist. Creating: " + subDir);
+                boolean dirCreated = ftpClient.makeDirectory(subDir);
+                if (!dirCreated) {
+                    System.out.println("Failed to create subdirectory: " + subDir);
+                    System.out.println("Server reply: " + ftpClient.getReplyString());
+                    return;
+                }
+                ftpClient.changeWorkingDirectory(subDir);
+            }
+
+            String filename = "file_" + System.currentTimeMillis() + ".json";
+            boolean uploaded = ftpClient.storeFile(filename, inputStream);
+            if (uploaded) {
+                System.out.println("Successfully uploaded: " + filename);
+            } else {
+                System.out.println("Failed to upload: " + filename);
+                System.out.println("Server reply: " + ftpClient.getReplyString());
+            }
+
+            ftpClient.logout();
+        } catch (IOException e) {
+            System.out.println("Error during FTP operation: " + e.getMessage());
+            e.printStackTrace();
+        } finally {
+            try {
+                inputStream.close();
+                if (ftpClient.isConnected()) {
+                    ftpClient.disconnect();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    public static JsonObject generateRandomJson() {
+        Random rand = new Random();
+        JsonObject json = new JsonObject();
+
+        json.addProperty("id", rand.nextInt(1000));
+        json.addProperty("name", "RandomUser" + rand.nextInt(1000));
+        json.addProperty("email", "user" + rand.nextInt(1000) + "@example.com");
+        json.addProperty("active", rand.nextBoolean());
+
+        return json;
+    }
+}

SymphonyProducer/src/main/java/io/github/lumijiez/Main.java

@@ -3,6 +3,17 @@ package io.github.lumijiez;
 public class Main {
 
     public static void main(String[] args) {
-        BrokerConnector.connect();
+        Thread brokerThread = new Thread(BrokerConnector::connect);
+        brokerThread.start();
+
+        Thread ftpThread = new Thread(FTPClientConnector::new);
+        ftpThread.start();
+
+        try {
+            brokerThread.join();
+            ftpThread.join();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
     }
 }