gistfile1.txt

public static void uploadToFTP(MultipartFile file, String baseDirectory, String scanDirectory)
            throws ScanManagerException {
        FTPClient client = new FTPClient();
        FileInputStream fis = null;

        try {
            client.connect("host","port");
            client.login("username","password");
            if (client.isConnected()) {
                boolean directoryExists = client.changeWorkingDirectory(baseDirectory + File.separator +
                        scanDirectory);

                if (!directoryExists) {
                    client.makeDirectory(baseDirectory + File.separator + scanDirectory);
                    client.changeWorkingDirectory(baseDirectory + File.separator + scanDirectory);
                }

                // Create an InputStream of the file to be uploaded
                fis = (FileInputStream) file.getInputStream();
                client.setFileType(FTPClient.BINARY_FILE_TYPE);

                // Store file to FTP server
                client.storeFile(file.getOriginalFilename(), fis);
            } else {
                throw new ScanManagerException("Unable to connect to the FTP server");
            }
        } catch (IOException e) {
            throw new ScanManagerException("Error occurred while uploading the file " +
                    file.getOriginalFilename() + " to FTP server", e);
        } finally {
            try {
                if (fis != null) {
                    fis.close();
                }
                client.logout();
                client.disconnect();
            } catch (IOException e) {
                logger.error("Error occurred while closing the connection to the FTP host");
            }
        }
    }