code: public boolean isProjectStage(ProjectStage stage) {
  
          if (stage == null) {
              throw new NullPointerException();
          }
          return (stage.equals(getApplication().getProjectStage()));
  
      }
docs: <p class="changed_added_2_0">Return <code>true</code> if the
  current {@link ProjectStage} as returned by the {@link
  Application} instance is equal to <code>stage</code>, otherwise
  return <code>false</code></p>
  
  @param stage the {@link ProjectStage} to check
  
  @throws IllegalStateException if this method is called after
  this instance has been released
  @throws NullPointerException if <code>stage</code> is <code>null</code>