Java Image -> Byte Array

This class should do it (It asks for an input file - It will convert any type of file):


import java.text.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;

public class JConverter extends JFrame{
  private Container container = getContentPane();
  private JProgressBar progressBar = new JProgressBar();
  private JFileChooser chooser = chooser = new JFileChooser();
  private JMenuBar bar = new JMenuBar();
  private JMenu menuFile = new JMenu("File");
  private JMenuItem menuConvertFile = new JMenuItem("Convert File");
  private JMenuItem menuExit = new JMenuItem("Exit");
  private JMenu menuHelp = new JMenu("Help");
  private JMenuItem menuSite = new JMenuItem("Visit web site");
  private JMenuItem menuAbout = new JMenuItem("About");
  private JPanel panel = new JPanel();
  private JLabel labelNameOfArray = new JLabel("Array name");
  private JTextField nameOfArray = new JTextField(10);
  private JLabel labelBytesPerLine = new JLabel("How many bytes per line");  
  private JTextField bytesPerLine = new JTextField(3);
 
  private class PerformFile extends Thread{
    public void run(){
      File theOpenedFile=null;
      FileInputStream in;
      FileOutputStream out;
      int resultOfChoice;
      int readFromFileResult;
      int maxColomnCount;
      byte fileReadArray[];
      int openedFileLength=0;
   
      chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
      resultOfChoice = chooser.showOpenDialog(null);
      theOpenedFile = chooser.getSelectedFile();
      if (resultOfChoice==chooser.CANCEL_OPTION) return;
      if (!(theOpenedFile==null||theOpenedFile.getName().equals(""))){
        try{  
          in = new FileInputStream(theOpenedFile.getPath());
          menuConvertFile.setEnabled(false);
          out = new FileOutputStream(theOpenedFile.getPath() + ".j");    
          openedFileLength = (int)theOpenedFile.length();
          progressBar.setMaximum(openedFileLength);
          out.write(' '); out.write(' ');            
          out.write('b'); out.write('y'); out.write('t'); out.write('e'); out.write(' ');
          for (int i=0;i<nameOfArray.getText().length();i++) out.write(nameOfArray.getText().charAt(i));
          out.write('['); out.write(']'); out.write('='); out.write('{');            
          out.write(13); out.write(10); out.write(' '); out.write(' '); out.write(' '); out.write(' ');            
          fileReadArray = new byte[openedFileLength];
          readFromFileResult = in.read(fileReadArray);
       
          try{
            maxColomnCount = Integer.parseInt(bytesPerLine.getText());
            if (maxColomnCount<10) maxColomnCount=10;
            if (maxColomnCount>1000) maxColomnCount=1000;          
          }
          catch(NumberFormatException e){maxColomnCount=20;}
          bytesPerLine.setText(""+maxColomnCount);
 
          for (int i=0;i<openedFileLength;i++){    
            if (i>0) out.write(',');            
            if (i % maxColomnCount == (maxColomnCount-1)){
              out.write(13); out.write(10); out.write(' '); out.write(' '); out.write(' '); out.write(' ');            
            }
            try{
              out.write(Byte.toString(fileReadArray[i]).charAt(0));
              out.write(Byte.toString(fileReadArray[i]).charAt(1));
              out.write(Byte.toString(fileReadArray[i]).charAt(2));
              out.write(Byte.toString(fileReadArray[i]).charAt(3));
            } catch(StringIndexOutOfBoundsException e){}
            progressBar.setValue(i+1);
            progressBar.setString(""+((i+1)*100/openedFileLength)+"%");
            progressBar.setStringPainted(true);
          }

          out.write(13); out.write(10); out.write(' '); out.write(' ');            
          out.write('}'); out.write(';');            
          out.flush();
          JOptionPane.showMessageDialog(null,"The file "+theOpenedFile.getPath()+" successfully converted.","Conversion Completted",JOptionPane.INFORMATION_MESSAGE);
          in.close();
          out.close();
        }
        catch(IOException e){
          System.out.println("Wrong Input or Output");  
        }
      }
      menuConvertFile.setEnabled(true);
    }
  }
 
  public JConverter(){
    super("Converter of files into the Java array format (Example: byte newArray[]={...})");  
    container.add(progressBar,BorderLayout.CENTER);
    container.add(panel,BorderLayout.SOUTH);
    panel.add(labelNameOfArray);
    panel.add(nameOfArray);
    panel.add(labelBytesPerLine);
    panel.add(bytesPerLine);
    nameOfArray.setText("newArray");
    bytesPerLine.setText("20");
    progressBar.setPreferredSize(new Dimension(600,30));
    menuConvertFile.addActionListener(
      new ActionListener(){
        public void actionPerformed(ActionEvent e){
          PerformFile performFile = new PerformFile();  
          performFile.start();
        }
      }
    );
    menuExit.addActionListener(
      new ActionListener(){
        public void actionPerformed(ActionEvent e){
          System.exit(0);  
        }
      }
    );
    menuSite.addActionListener(
      new ActionListener(){
        public void actionPerformed(ActionEvent e){
          JOptionPane jOptionPane = new JOptionPane();
          JTextField jTextField = new JTextField();
          jTextField.setText("http://softcollection.sytes.net/javaprog");
          jOptionPane.showMessageDialog(null,
                                          jTextField,
                                          "Please visit web site!",
                                          JOptionPane.INFORMATION_MESSAGE);
        }
      }
    );
    menuAbout.addActionListener(
      new ActionListener(){
        public void actionPerformed(ActionEvent e){
          JOptionPane.showMessageDialog(null,"Converter of files into the Java array format v1.08","About",JOptionPane.INFORMATION_MESSAGE);
        }
      }
    );
    bar.add(menuFile);
    menuFile.setMnemonic('F');
    menuFile.add(menuConvertFile);
    menuFile.add(menuExit);
    bar.add(menuHelp);
    menuHelp.setMnemonic('H');
    menuHelp.add(menuSite);
    menuHelp.add(menuAbout);
    setJMenuBar(bar);
    pack();
    setResizable(false);
    show();
  }

  public static void main(String args[]){
    JConverter jConverter=new JConverter();
    jConverter.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
  }
}