Page History

  public class MyInterceptor extends AbstractInterceptor {
     ...
      public String intercept(ActionInvocation invocation) throws Exception {
         invocation.addPreResultListener(new PreResultListener() {
              public void beforeResult(ActionInvocation invocation, 
                                       String resultCode) {
                  // perform operation necessary before Result execution
              }
         });
      }
     ...
  }