@Nullable
  private static VirtualFile calcHome(@Nullable SdkHomeBean state) {
    if (state == null) {
      return null;
    }

    final String sdk_home = state.getSdkHome();
    if (StringUtil.isEmpty(sdk_home)) {
      return null;
    }

    return StandardFileSystems.local().findFileByPath(sdk_home);
  }
@Nullable
  private static VirtualFile calcHome(@Nullable SdkHomeBean state)