JFace进度条

someButton.addSelectionListener(
new
 SelectionAdapter() {
                public
 
void
 widgetSelected(SelectionEvent e) {
                    IRunnableWithProgress runnable = new
 IRunnableWithProgress () {
                        final
 
byte
[][] result = 
new
 
byte
[
1
][];
                        //实现接口中的execute方法：
                        protected
 
void
 execute(IProgressMonitor monitor) 
throws
 CoreException {
                           //具体的业务逻辑：

                        }


                       //实现接口中的run方法，该方法是一个同步方法：
                       public
 
synchronized
 
final
 
void
 run(IProgressMonitor monitor)
                         throws
 InvocationTargetException, InterruptedException {
                           try
 {
                               //总的工作量
                               int
 totalWork = IProgressMonitor.UNKNOWN;
                               monitor.beginTask("A Progress monitor dialog example..."
, 
1000
);
                               if
 (result[
0
] == 
null
){
                                   totalWork = 400
;
                               }
                               monitor.worked(totalWork);

                               //执行业务逻辑：
                               execute(monitor);
                               if
 (result[
0
] != 
null
) {
                                   totalWork = 1000
;
                               }else
 {
                                   totalWork = 700
;
                               }
                               monitor.worked(totalWork);

                           } catch
 (CoreException e) {
                               throw
 
new
 InvocationTargetException(e);
                           } catch
 (OperationCanceledException e) {
                               throw
 
new
 InterruptedException(e.getMessage());
                           }finally
 {
                               monitor.done();
                           }
                       }
                    };
                    try
 {
                        new
 ProgressMonitorDialog(PlatformUI.getWorkbench().getDisplay().getActiveShell()).run(
true
, 
true
, runnable);
                    } catch
 (InvocationTargetException e1) {
                        // TODO Auto-generated catch block
                        e1.printStackTrace();
                    } catch
 (InterruptedException e1) {
                        // TODO Auto-generated catch block
                        e1.printStackTrace();
                    }
                }
            });