Java: 打开文件对话框的过滤器

Java: 打开文件对话框的过滤器

     public   static   void  main(String[] args) {
        SwingUtilities.invokeLater( new  Runnable() {
             public   void  run() {
                Test.createAndShowGUI();
            }
        });
        
         class  Filter  extends  javax.swing.filechooser.FileFilter {
             public   boolean  accept(File f) {
                 if  (f.isDirectory()) {
                     return   true ;
                }
                
                 return  f.getName().endsWith( " .java " );
            }
            
             public  String getDescription() {
                 return   " *.java " ;
            }
            
        }
        JFileChooser chooser  =   new  JFileChooser();
        chooser.addChoosableFileFilter( new  Filter());
        chooser.showOpenDialog( null );
    }