JFileChooser fc = new JFileChooser();
fc.addChoosableFileFilter(new JavaFilter());
fc.setAccessory(new TextPreview(fc));
int result = fc.showOpenDialog(new JFrame());
if (result == JFileChooser.APPROVE_OPTION) {
try {
File f = fc.getSelectedFile();
if (f != null) {
FileInputStream fin = new FileInputStream(f);
StreamCopier.copy(fin, System.out);
fin.close();
}
}
catch (IOException e) {
System.err.println(e);
}
}
System.exit(0);
