code: private String createStringValue(CmsObject cms) {
  
          Attribute enabled = m_element.attribute(CmsXmlPage.ATTRIBUTE_ENABLED);
  
          String content = "";
          if ((enabled == null) || Boolean.valueOf(enabled.getText()).booleanValue()) {
              CmsLink link = getLink(cms);
              if (link != null) {
                  content = link.getUri();
                  if (cms != null) {
                      content = cms.getRequestContext().removeSiteRoot(link.getUri());
                  }
              }
          }
          return content;
      }
docs: Creates the String value for this vfs file value element.<p>
  
  @param cms the cms context
  
  @return the String value for this vfs file value element