code: protected boolean isValidRfsName(String rfsName) {
  
          if (rfsName != null) {
              // default case
              if (rfsName.startsWith(m_rfsPrefix + "/")) {
                  return true;
              }
              // additional rules
              Iterator<CmsStaticExportRfsRule> it = m_rfsRules.iterator();
              while (it.hasNext()) {
                  CmsStaticExportRfsRule rule = it.next();
                  String rfsPrefix = rule.getRfsPrefix() + "/";
                  if (rfsName.startsWith(rfsPrefix)) {
                      return true;
                  }
              }
          }
          return false;
      }
docs: Returns true if the rfs Name match against any of the defined export urls.<p>
  
  @param rfsName the rfs Name to validate
  
  @return true if the rfs Name match against any of the defined export urls