public void processCacheRequest(HttpServletRequest request,
      HttpServletResponse response,
      FilterChain chain,
      Cache cache,
      CachePolicyResult cachePolicyResult) throws IOException, ServletException {

    BrowserCachePolicy browserCachePolicy = this.getCacheConfiguration().getBrowserCachePolicy();
    BrowserCachePolicyResult clientCacheResult = browserCachePolicy.canCacheOnClient(cachePolicyResult);

    if (clientCacheResult.getExpirationDate() < 0) {
      response.setHeader("Pragma", "no-cache");
      response.setHeader("Cache-Control", "no-cache, no-store");
      response.setDateHeader("Expires", 0L);
    } else {
      final long maxAgeSeconds = (clientCacheResult.getExpirationDate() - System.currentTimeMillis()) / 1000;
      response.setHeader("Pragma", "");
      response.setHeader("Cache-Control", "max-age=" + maxAgeSeconds + ", public");
      response.setDateHeader("Expires", clientCacheResult.getExpirationDate());
    }

  }