import java.io.File;
import java.io.FileInputStream;
import java.io.BufferedOutputStream;
import java.net.URL;
import java.net.URLConnection;
import javax.swing.*;

class ftpUpload extends JFrame implements Runnable {
static long b;
public static void main(String[] args) {
	new ftpUpload();
}

public ftpUpload() {
	initGui();
	setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}

JTextField server;
JTextField username;
JPasswordField password;
JLabel sServer;
JLabel sUsername;
JLabel sPassword;
JProgressBar jP;
JButton sFile;
JButton uploadButton;

void initGui() {
	/* init window components */
	server = new JTextField();
	username = new JTextField();
	password = new JPasswordField();
	jP = new JProgressBar();
	sFile = new JButton();
	uploadButton = new JButton();
	sServer = new JLabel();
	sUsername = new JLabel();
	sPassword = new JLabel();

	sServer.setLocation(0, 0);
	sServer.setSize(100, 15);
	sServer.setText("Server address");
	add(sServer);

	server.setLocation(0, 15);
	server.setSize(250, 20);
	add(server);

	sUsername.setLocation(0, 40);
	sUsername.setSize(100, 15);
	sUsername.setText("Username");
	add(sUsername);

	username.setLocation(0, 55);
	username.setSize(100, 20);
	add(username);

	sPassword.setLocation(0, 80);
	sPassword.setSize(100, 15);
	sPassword.setText("Password");
	add(sPassword);

	password.setLocation(0, 95);
	password.setSize(100, 20);
	add(password);

	sFile.setLocation(0, 120);
	sFile.setSize(120, 30);
	sFile.setText("Select file");
	sFile.addActionListener(new java.awt.event.ActionListener() {
		public void actionPerformed(java.awt.event.ActionEvent e) {
			select_file();
		}
	});
	add(sFile);

	uploadButton.setLocation(125, 120);
	uploadButton.setSize(120, 30);
	uploadButton.setText("Upload");
	uploadButton.addActionListener(new java.awt.event.ActionListener() {
		public void actionPerformed(java.awt.event.ActionEvent e) {
			upload_file();
		}
	});
	add(uploadButton);

	jP.setLocation(0, 160);
	jP.setSize(250, 15);
	add(jP);

	setLayout(null);
	setSize(260, 220);
	setTitle("Ftp Upload");
	setVisible(true);
}

File f;
void select_file() {
	JFileChooser j = new JFileChooser();
	if (j.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
		f = j.getSelectedFile();
	}
}

void upload_file() {
	if (f != null) {
		enableComponents(false);
		new Thread(this).start();
	}
}

void enableComponents(boolean a) {
	uploadButton.setEnabled(a);
	sFile.setEnabled(a);
	server.setEnabled(a);
	username.setEnabled(a);
	password.setEnabled(a);
}

void update(int a, int b) {
	jP.setValue(a);
	uploadButton.setText(String.valueOf(a) + "% - " + b + "Kbps");
}

String getPassword(char[] a) {
	StringBuilder s = new StringBuilder();
	for (char b : a)
		s.append(b);
	return s.toString();
}

public void run() {
    try {
		if (server.getText().substring(0, 6).equals("ftp://"))
			server.setText(server.getText().substring(6));
        URL url = new URL("ftp://" + username.getText() + ":" + getPassword(password.getPassword()) + "@" + server.getText() + "/" + f.getName());
        URLConnection con = url.openConnection();
        BufferedOutputStream out = new BufferedOutputStream(con.getOutputStream());
        FileInputStream in = new FileInputStream(f);
        int i = 0;
        int c = 0;
        byte[] bytesIn = new byte[102400];
		b = System.currentTimeMillis();
        while ((i = in.read(bytesIn)) >= 0) {
            out.write(bytesIn, 0, i);
            c += i;
	try {
			update((int)(((double)c / (double)f.length()) * 100), (int)(i / (System.currentTimeMillis() - b)));
			b = System.currentTimeMillis();
        } catch (Exception e) {}
        }
        out.close();
        in.close();
    } catch (Exception ex) {
		JOptionPane.showMessageDialog(this, "Error!\n Ftp server information may be incorrect.");
		ex.printStackTrace();
    }
	enableComponents(true);
	uploadButton.setText("Upload");
}
}