public class FTPUtil {

public static void uploadDirectory(FTPClient ftpClient,
        String remoteDirPath, String localParentDir, String remoteParentDir)
        throws IOException {

    System.out.println("LISTING directory: " + localParentDir);

    File localDir = new File(localParentDir);
    File[] subFiles = localDir.listFiles();
    if (subFiles != null && subFiles.length > 0) {
        for (File item : subFiles) {
            String remoteFilePath = remoteDirPath + "/" + remoteParentDir
                    + "/" + item.getName();
            if (remoteParentDir.equals("")) {
                remoteFilePath = remoteDirPath + "/" + item.getName();
            }

            if (item.isFile()) {
                // upload the file
                String localFilePath = item.getAbsolutePath();
                System.out.println("About to upload the file: " + localFilePath);
                boolean uploaded = uploadSingleFile(ftpClient,
                        localFilePath, remoteFilePath);
                if (uploaded) {
                    System.out.println("UPLOADED a file to: "
                            + remoteFilePath);
                } else {
                    System.out.println("COULD NOT upload the file: "
                            + localFilePath);
                }
            } else {
                // create directory on the server
                boolean created = ftpClient.makeDirectory(remoteFilePath);
                if (created) {
                    System.out.println("CREATED the directory: "
                            + remoteFilePath);
                } else {
                    System.out.println("COULD NOT create the directory: "
                            + remoteFilePath);
                }

                // upload the sub directory
                String parent = remoteParentDir + "/" + item.getName();
                if (remoteParentDir.equals("")) {
                    parent = item.getName();
                }

                localParentDir = item.getAbsolutePath();
                uploadDirectory(ftpClient, remoteDirPath, localParentDir,
                        parent);
            }
        }
    }
}

public static boolean uploadSingleFile(FTPClient ftpClient,
        String localFilePath, String remoteFilePath) throws IOException {
    File localFile = new File(localFilePath);

    InputStream inputStream = new FileInputStream(localFile);
    try {
        ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
        return ftpClient.storeFile(remoteFilePath, inputStream);
    } finally {
        inputStream.close();
    }
}

public class MainApp {

public static void main(String[] args) {
    String server = "127.0.0.1";
    int port = 14147;
    String user = "user";
    String pass = "pass";

    FTPClient ftpClient = new FTPClient();

    try {
        // connect and login to the server
        ftpClient.connect(server, port);
        // use local passive mode to pass firewall
        ftpClient.enterLocalPassiveMode();

        ftpClient.login(user, pass);

        System.out.println("Connected");

        String remoteDirPath = "D:/WebServer";
        String localDirPath = "D:/Учёба/Сети Тяпаев/Лабы";

        FTPUtil.uploadDirectory(ftpClient, remoteDirPath, localDirPath, "");

        // log out and disconnect from the server
        ftpClient.logout();
        ftpClient.disconnect();

        System.out.println("Disconnected");
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}