private static void SetCache(HttpCachePolicy cache)
{
cache.SetCacheability(HttpCacheability.Public);
cache.VaryByParams[_paramV] = true;
cache.VaryByParams[_paramFile] = true;
cache.SetOmitVaryStar(true);
cache.SetValidUntilExpires(true);
cache.SetExpires(DateTime.Now.AddYears(2));
cache.SetLastModified(DateTime.ParseExact(AppConstants.BuildDate,
_dateFormat, CultureInfo.GetCultureInfo(_usCulture).DateTimeFormat));
}
/// <summary>
/// Configures ASP.Net's Cache policy based on properties set
/// </summary>
/// <param name="policy">cache policy to set</param>
void ICachePolicyConfigurer.Configure(HttpCachePolicy policy)
{
policy.SetAllowResponseInBrowserHistory(allowInHistory);
policy.SetCacheability(cacheability);
policy.SetOmitVaryStar(omitVaryStar);
policy.SetRevalidation(revalidation);
policy.SetSlidingExpiration(slidingExpiration);
policy.SetValidUntilExpires(validUntilExpires);
if (duration != 0)
{
policy.SetExpires(DateTime.Now.AddSeconds(duration));
}
if (varyByContentEncodings != null)
{
foreach (var header in varyByContentEncodings.Split(','))
{
policy.VaryByContentEncodings[header.Trim()] = true;
}
}
if (varyByCustom != null)
{
policy.SetVaryByCustom(varyByCustom);
}
if (varyByHeaders != null)
{
foreach (var header in varyByHeaders.Split(','))
{
policy.VaryByHeaders[header.Trim()] = true;
}
}
if (varyByParams != null)
{
foreach (var param in varyByParams.Split(','))
{
policy.VaryByParams[param.Trim()] = true;
}
}
if (cacheExtension != null)
{
policy.AppendCacheExtension(cacheExtension);
}
if (setEtagFromFileDependencies)
{
policy.SetETagFromFileDependencies();
}
if (setLastModifiedFromFileDependencies)
{
policy.SetLastModifiedFromFileDependencies();
}
if (setNoServerCaching)
{
policy.SetNoServerCaching();
}
if (setNoStore)
{
policy.SetNoStore();
}
if (setNoTransforms)
{
policy.SetNoTransforms();
}
if (etag != null)
{
policy.SetETag(etag);
}
if (isLastModifiedSet)
{
policy.SetLastModified(lastModified);
}
if (isMaxAgeSet)
{
policy.SetMaxAge(TimeSpan.FromSeconds(maxAge));
}
if (isProxyMaxAgeSet)
{
policy.SetProxyMaxAge(TimeSpan.FromSeconds(proxyMaxAge));
}
}
/// <summary>
/// Set the response cache headers for WebResource
/// </summary>
/// <param name="cache"></param>
/// <param name="etag"></param>
private static void SetCachingHeadersForWebResource(HttpCachePolicy cache, int etag)
{
cache.VaryByParams["d"] = true;
cache.VaryByHeaders["Accept-Encoding"] = true;
cache.SetOmitVaryStar(true);
// Keep in the client cache for the time configured in the Web.Config
cache.SetExpires(DateTime.UtcNow.AddDays(Settings.Instance.DaysInCache));
cache.SetMaxAge(TimeSpan.FromDays(Settings.Instance.DaysInCache));
cache.SetValidUntilExpires(true);
cache.SetLastModified(DateTime.UtcNow);
cache.SetCacheability(HttpCacheability.Public);
cache.SetETag(string.Concat("\"", etag, "\""));
}
public override void SetLastModified(DateTime date)
{
_httpCachePolicy.SetLastModified(date);
}
public override void SetLastModified(DateTime date)
{
w.SetLastModified(date);
}