How to use

JavaEditor$AccessChecker

in

org.eclipse.jdt.internal.ui.javaeditor

/**
 * Checks whether called from Outline view.
 * 
 * @return <code>true</code> if called by Outline view
 * @since 3.9
 */
private static boolean isCalledByOutline() {
  Class<?>[] elements= new AccessChecker().getClassContext();
  for (int i= 0; i < elements.length && i < 10; i++) {
    if (elements[i].equals(ContentOutline.class)) {
      return true;
    }
  }
  return false;
}

/**
 * Checks whether called from Outline view.
 * 
 * @return <code>true</code> if called by Outline view
 * @since 3.9
 */
private static boolean isCalledByOutline() {
  Class<?>[] elements= new AccessChecker().getClassContext();
  for (int i= 0; i < elements.length && i < 10; i++) {
    if (elements[i].equals(ContentOutline.class)) {
      return true;
    }
  }
  return false;
}