603 

   604 

   605     /**

   606      * Invokes the <code>task</code> on the EDT thread.

   607      *

   608      * @return result of the <code>task</code>

   609      */

   610     public static <T> T invokeOnEDT(final java.util.concurrent.Callable<T> task) throws Exception {

   611         final java.util.List<T> result = new java.util.ArrayList<T>(1);

   612         final Exception[] exception = new Exception[1];

   613 

   614         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {

   615 

   616             @Override

   617             public void run() {

   618                 try {

   619                     result.add(task.call());

   620                 } catch (Exception e) {

   621                     exception[0] = e;

   622                 }

   623             }

   624         });

   625 

   626         if (exception[0] != null) {

   627             throw exception[0];

   628         }

   629 

   630         return result.get(0);

   631     }

   632