java ftp

package DataBase;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;

import javax.swing.JOptionPane;

import StreamBean.UIBean;

public class FTP{

    private String ftpUrl = "ftp://%s:%s@%s/%s;type=i";
    private final String user = "hakuhun", pass ="jelszo", host = "bakonyigi.heliohost.org";
    private final int port = 21;
    private final int BUFFER_SIZE = 4096;
    private OutputStream os = null;
    private FileInputStream fis = null;


    public FTP(){

    }

    public void uploadVideo(File f){
        ftpUrl = String.format(ftpUrl, user, pass, host, "public_ftp/videos/" + f.getName());
        System.out.println("Upload URL: " + ftpUrl);

        try {

            URL url = new URL(ftpUrl);
            URLConnection con = url.openConnection();
            os = con.getOutputStream();
            fis = new FileInputStream(f);

            byte[] buffer = new byte[BUFFER_SIZE];
            int bytesRead = -1;
              while ((bytesRead = fis.read(buffer)) != -1) {
                  os.write(buffer, 0, bytesRead);
              }
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, e.getMessage());
        }finally{
            try {
                os.close();
                fis.close();
            } catch (IOException e) {
                JOptionPane.showMessageDialog(null, e.getMessage());
            }
        }

    }

    public void uploadAvatar(File f){
        File f2 = new UIBean().resizeAvatar(f);
        ftpUrl = String.format(ftpUrl, user, pass, host, "public_ftp/avatars/" + f2.getName());
        System.out.println("Upload URL: " + ftpUrl);

        try {

            URL url = new URL(ftpUrl);
            URLConnection con = url.openConnection();
            os = con.getOutputStream();
            fis = new FileInputStream(f);

            byte[] buffer = new byte[BUFFER_SIZE];
            int bytesRead = -1;
              while ((bytesRead = fis.read(buffer)) != -1) {
                  os.write(buffer, 0, bytesRead);
              }
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, e.getMessage());
        }finally{
            try {
                os.close();
                fis.close();
            } catch (IOException e) {
                JOptionPane.showMessageDialog(null, e.getMessage());
            }
            JOptionPane.showMessageDialog(null, "Sikeres feltöltés!");
        }

    }

    public void uploadSubtitle(File f){
        ftpUrl = String.format(ftpUrl, user, pass, host, "public_ftp/subs/" + f.getName());
        System.out.println("Upload URL: " + ftpUrl);

        try {

            URL url = new URL(ftpUrl);
            URLConnection con = url.openConnection();
            os = con.getOutputStream();
            fis = new FileInputStream(f);

            byte[] buffer = new byte[BUFFER_SIZE];
            int bytesRead = -1;
              while ((bytesRead = fis.read(buffer)) != -1) {
                  os.write(buffer, 0, bytesRead);
              }
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, e.getMessage());
        }finally{
            try {
                os.close();
                fis.close();
            } catch (IOException e) {
                JOptionPane.showMessageDialog(null, e.getMessage());
            }
        }

    }

}