private void _buildParentGroupsBreadcrumb(
      LayoutSet layoutSet, PortletURL portletURL, ThemeDisplay themeDisplay, StringBundler sb)
      throws Exception {
    Group group = layoutSet.getGroup();

    if (group.isOrganization()) {
      Organization organization =
          OrganizationLocalServiceUtil.getOrganization(group.getOrganizationId());

      Organization parentOrganization = organization.getParentOrganization();

      if (parentOrganization != null) {
        Group parentGroup = parentOrganization.getGroup();

        LayoutSet parentLayoutSet =
            LayoutSetLocalServiceUtil.getLayoutSet(
                parentGroup.getGroupId(), layoutSet.isPrivateLayout());

        _buildParentGroupsBreadcrumb(parentLayoutSet, portletURL, themeDisplay, sb);
      }
    } else if (group.isUser()) {
      User groupUser = UserLocalServiceUtil.getUser(group.getClassPK());

      List<Organization> organizations =
          OrganizationLocalServiceUtil.getUserOrganizations(groupUser.getUserId(), true);

      if (!organizations.isEmpty()) {
        Organization organization = organizations.get(0);

        Group parentGroup = organization.getGroup();

        LayoutSet parentLayoutSet =
            LayoutSetLocalServiceUtil.getLayoutSet(
                parentGroup.getGroupId(), layoutSet.isPrivateLayout());

        _buildParentGroupsBreadcrumb(parentLayoutSet, portletURL, themeDisplay, sb);
      }
    }

    int layoutsPageCount = 0;

    if (layoutSet.isPrivateLayout()) {
      layoutsPageCount = group.getPrivateLayoutsPageCount();
    } else {
      layoutsPageCount = group.getPublicLayoutsPageCount();
    }

    if ((layoutsPageCount > 0) && !group.getName().equals(GroupConstants.GUEST)) {
      String layoutSetFriendlyURL = PortalUtil.getLayoutSetFriendlyURL(layoutSet, themeDisplay);

      sb.append("<li><span><a href=\"");
      sb.append(layoutSetFriendlyURL);
      sb.append("\">");
      sb.append(HtmlUtil.escape(group.getDescriptiveName()));
      sb.append("</a></span></li>");
    }
  }
  private void _buildGuestGroupBreadcrumb(ThemeDisplay themeDisplay, StringBundler sb)
      throws Exception {
    Group group = GroupLocalServiceUtil.getGroup(themeDisplay.getCompanyId(), GroupConstants.GUEST);

    if (group.getPublicLayoutsPageCount() > 0) {
      LayoutSet layoutSet = LayoutSetLocalServiceUtil.getLayoutSet(group.getGroupId(), false);

      String layoutSetFriendlyURL = PortalUtil.getLayoutSetFriendlyURL(layoutSet, themeDisplay);

      sb.append("<li><span><a href=\"");
      sb.append(layoutSetFriendlyURL);
      sb.append("\">");
      sb.append(HtmlUtil.escape(themeDisplay.getAccount().getName()));
      sb.append("</a></span></li>");
    }
  }