code: public static String getString(CmsObject cms, I_CmsXmlContentValueLocation location) {
  
          if (location == null) {
              return null;
          }
          return location.asString(cms);
      }
docs: Gets the string value of an XML content location.<p>
  
  @param cms the CMS context to use
  @param location an XML content location
  
  @return the string value of that XML content location