public LaunchDesc getLaunchDesc() {
   if (_ld == null) {
     try {
       _ld = LaunchDescFactory.buildDescriptor(_dce.getFile());
     } catch (Exception e) {
       Trace.ignoredException(e);
     }
   }
   return _ld;
 }
 public ViewerIcon(int w, int h, String path) {
   super();
   _width = w;
   _height = h;
   try {
     URL url = (new File(path)).toURL();
     if (url != null) {
       CacheImageLoader.getInstance().loadImage(url, this);
     }
   } catch (Exception e) {
     Trace.ignoredException(e);
   }
 }