JFileChooser.createDialog(Component parent) has the following syntax.
protected JDialog createDialog(Component parent) throws HeadlessException
In the following code shows how to use JFileChooser.createDialog(Component parent) method.
//www . jav a 2 s . co m import java.awt.Component; import java.awt.HeadlessException; import java.awt.event.ActionEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.AbstractAction; import javax.swing.JDialog; import javax.swing.JFileChooser; public class Main { public static void main(String[] argv) throws Exception { MyFileChooser chooser = new MyFileChooser(); chooser.setDialogType(JFileChooser.SAVE_DIALOG); final JDialog dialog = chooser.createDialog(null); chooser.addActionListener(new AbstractAction() { public void actionPerformed(ActionEvent evt) { JFileChooser chooser = (JFileChooser) evt.getSource(); if (JFileChooser.APPROVE_SELECTION.equals(evt.getActionCommand())) { dialog.setVisible(false); } else if (JFileChooser.CANCEL_SELECTION.equals(evt.getActionCommand())) { dialog.setVisible(false); } } }); dialog.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { dialog.setVisible(false); } }); dialog.setVisible(true); } } class MyFileChooser extends JFileChooser { public JDialog createDialog(Component parent) throws HeadlessException { return super.createDialog(parent); } }