new BasicHeader("Cache-Control", "private"), new BasicHeader("ETag", "\"etag\""),
new BasicHeader("Last-Modified", DateUtils.formatDate(requestDate)),
new BasicHeader("Cache-Control", "max-age=0"),};
CacheEntry cacheEntry = getEntry(headers);
HttpResponse response = new BasicHttpResponse(new BasicStatusLine(new ProtocolVersion(
"http", 1, 1), HttpStatus.SC_NOT_MODIFIED, ""));
response.setHeaders(new Header[]{
new BasicHeader("Last-Modified", DateUtils.formatDate(responseDate)),
new BasicHeader("Cache-Control", "public"),});