code: public String getCacheName(boolean online, String rootPath, String parameters) {
  
          String rfsName = CmsFileUtil.getRepositoryName(m_rfsRepository, rootPath, online);
          if (CmsStringUtil.isNotEmpty(parameters)) {
              String extension = CmsFileUtil.getExtension(rfsName);
              // build the RFS name for the VFS name with parameters
              rfsName = CmsFileUtil.getRfsPath(rfsName, extension, parameters);
          }
  
          return rfsName;
      }
docs: Returns the RFS name to use for caching the given VFS resource with parameters in the disk cache.<p>
  
  @param online if true, the online disk cache is used, the offline disk cache otherwise
  @param rootPath the VFS resource root path to get the RFS cache name for
  @param parameters the parameters of the request to the VFS resource
  
  @return the RFS name to use for caching the given VFS resource with parameters