#
private class TextFilter extends javax.swing.filechooser.FileFilter {
#
 
#
        public boolean accept(File f) {
#
 
#
            if (f.isDirectory()) {
#
                return true;
#
            }
#
 
#
            String name = f.getName();
#
            if (name.matches(".*\\.txt")) {
#
                return true;
#
            } else {
#
                return false;
#
            }
#
        }