code: void setPageNavLengthAsString(String pageNavLength) {
  
          if (CmsStringUtil.isEmpty(pageNavLength)) {
              return;
          }
  
          try {
              m_pageNavLength = Integer.parseInt(pageNavLength);
          } catch (NumberFormatException e) {
              // intentionally left blank
          }
      }
docs: Sets number of page links in the Google-like page navigation as a string.<p>
  
  @param pageNavLength the number of page links in the Google-like page navigation