PortletRequestImpl.java 文件源码

protected String getMimeRequestProperty(String name, CacheControl cacheControl) {
   if (MimeResponse.ETAG.equals(name)) {
      return cacheControl.getETag();
   } else if (MimeResponse.CACHE_SCOPE.equals(name)) {
      return cacheControl.isPublicScope() ? MimeResponse.PUBLIC_SCOPE : MimeResponse.PRIVATE_SCOPE;
   } else if (MimeResponse.USE_CACHED_CONTENT.equals(name)) {
      return cacheControl.useCachedContent() ? "true" : null;
   } else if (MimeResponse.EXPIRATION_CACHE.equals(name)) {
      return Integer.toString(cacheControl.getExpirationTime());
   }
   return null;
}