public class Downloader implements Runnable //downloader part
    {
        private URL source;
        private String dest;
        private boolean indeterminate;
        private JFrame frame;
        private JProgressBar prog;
        private String current;
        private String ver;

        public Downloader(URL source, String dest, boolean indeterminate, String current, String ver)
        {
            this.source = source;
            this.dest = dest;
            this.indeterminate = indeterminate;
            this.current=current;
            this.ver=ver;
        }

        public void run()
        {
            long filesize=0L;
            if(!indeterminate)
            {
                filesize=getFilesize(source.toString());
                System.out.println(filesize);
            }
            final long finalsize=filesize;

            EventQueue.invokeLater(new Runnable()
            {
                public void run()
                {
                    frame=new JFrame("Working...");
                    frame.setLayout(new FlowLayout());
                    JPanel panel=new JPanel(new FlowLayout());
                    prog=new JProgressBar(0, (int)finalsize/1024);
                    prog.setIndeterminate(indeterminate);
                    panel.add(prog, "South");
                    prog.setVisible(true);
                    frame.add(panel, "South");
                    frame.setSize(300, 100);
                    panel.setSize(250, 100);
                    frame.setLocationRelativeTo(null);
                    frame.setVisible(true);
                    prog.setStringPainted(true);
                }
            });
            try
            {
                java.io.BufferedInputStream in = new java.io.BufferedInputStream(source.openStream());
                java.io.FileOutputStream fos = new java.io.FileOutputStream(dest);
                java.io.BufferedOutputStream bout = new BufferedOutputStream(fos,1024);
                byte[] data = new byte[1024];
                int x=0, count=0;
                while((x=in.read(data,0,1024))>=0)
                {
                    final long pos=fos.getChannel().position();
                    if((!indeterminate)&&(count%3==0))
                        EventQueue.invokeLater(new Runnable()
                        {
                            public void run()
                            {
                                prog.setValue((int) (pos/1024));
                                prog.setString((pos/1024)+" KB/"+(finalsize/1024)+" KB");
                            }
                        });
                    System.out.println("pos: "+fos.getChannel().position());
                    bout.write(data,0,x);
                }
                bout.close();
                in.close();
                EventQueue.invokeLater(new Runnable()
                {
                    public void run()
                    {
                        prog.setValue(prog.getMaximum());
                        prog.setString(finalsize+" KB/"+finalsize+" KB");
                    }
                });
                System.out.println("Done");
            }
            catch(UnknownHostException e)
            {
                EventQueue.invokeLater(new Runnable()
                {
                    public void run()
                    {
                        frame.setVisible(false);
                    }
                });
                dialog("Can't connect to the internet", "Can't check if there's a new version.\n" +
                        "Make sure you're connected to the internet and try again.", 10);
            }
            catch(IOException e)
            {
                EventQueue.invokeLater(new Runnable()
                {
                    public void run()
                    {
                        frame.setVisible(false);
                    }
                });
                dialog("Complicated error", "Something to do with opening streams", 11);
            }
            EventQueue.invokeLater(new Runnable()
            {
                public void run()
                {
                    frame.setVisible(false);
                    if(indeterminate)
                        goOn(current, ver); //if there's a new version
                    else
                        EventQueue.invokeLater(new Runnable()
                        {
                            public void run()
                            {
                                String message="Grame is up to date!";
                                JOptionPane p=new JOptionPane(message);
                                JDialog d =p.createDialog(new JFrame(), "Done!");
                                d.setSize(400, 150);
                                d.setVisible(true);
                            }
                        });
                }
            });
        }
    }
public static void goOn(String current, String ver) //skip down a bit
    {
        String link="";
        try
        {
            link=new Scanner(new FileReader(new File("tmpFile"))).nextLine();
        }
        catch(NoSuchElementException e)
        {
            dialog("Something went wrong", "Run the updater again", 12);
        }
        catch (FileNotFoundException e)
        {
            dialog("Something went wrong", "Try running the updater again", 16);
        }
        final String finalLink=link;
        if(link.equals(current))
        {
            String message="Your version ("+ver+") is up to date";
            dialog("Good to go", message, 0);
        }
        int start=link.indexOf("%20")+3, end=link.indexOf(".zip");
        final String newVer=link.substring(start, end);
        if(newVer.compareTo(ver)<0)
        {
            String message="New: "+newVer+" ver: "+ver+"\n" +
            " link: "+link+"\n" +
            "(If you're seeing this, you screwed up lol)"; //only i can get this
            dialog("Oh hey there", message, 0);
        }
        long filesize=getFilesize(link);
        final JFrame f=new JFrame("Woohoo!"); //<=====THIS IS THE PROBLEM
        Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize();
        f.setLocation((screensize.width-f.getWidth())/3, (screensize.height - f.getHeight()) / 3);
        f.setLayout(new FlowLayout());
        f.setResizable(false);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(new Dimension(424, 350));
        JPanel changelogPanel = new JPanel(new FlowLayout());
        JTextPane changelogPane = new JTextPane();
        String changelog = getChanges();
        System.out.println(changelog); //this prints fine
        changelogPane.setText(changelog);
        changelogPane.setEditable(false);
        changelogPane.setOpaque(false);
        JScrollPane scroller = new JScrollPane(changelogPane);
        scroller.setPreferredSize(new Dimension(400, 150));
        changelogPanel.add(scroller, "South");
        JButton button1 = new JButton(" Download ("+(filesize/1024)+" KB)");
        button1.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e)
            {
                f.dispose();
                getNewVer(finalLink);
            }
        });
        JButton button2 = new JButton(" Not now");
        button2.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e)
            {
                System.exit(0);
            }
        });
        f.add(new JLabel("<HTML><center>There's a new version of Grame out!<BR> Get Grame v"+newVer+"? <BR><BR>What's new:</center></HTML>"), "North");
        f.add(changelogPanel, "Center");
        f.add(button2, "South");
        f.add(button1, "South");
        f.setVisible(true);
        while(f.isVisible())
        {
        }
    }