/// <summary>
/// Creates a request handler from the result of the specified data-modification method. If you do not need to modify data, do not call this constructor;
/// use <see cref="EwfSafeResponseWriter"/>, which can be implicitly converted to a request handler.
/// </summary>
public EwfSafeRequestHandler(Func <EwfSafeResponseWriter> dataModificationMethod)
{
DataAccessState.Current.DisableCache();
try {
responseWriter = dataModificationMethod();
}
finally {
DataAccessState.Current.ResetCache();
}
}
internal static void WriteRedirectResponse(HttpContext context, string url, bool permanent)
{
context.Response.StatusCode = permanent ? 308 : 307;
if (context.Request.HttpMethod == "GET" || context.Request.HttpMethod == "HEAD")
{
EwfSafeResponseWriter.AddCacheControlHeader(
context.Response,
EwfApp.Instance.RequestIsSecure(context.Request),
false,
permanent ? (bool?)null : false);
}
EwfResponse.Create(
ContentTypes.PlainText,
new EwfResponseBodyCreator(writer => writer.Write("{0} Redirect: {1}".FormatWith(permanent ? "Permanent" : "Temporary", url))),
additionalHeaderFieldGetter: () => ("Location", url).ToCollection())
.WriteToAspNetResponse(context.Response, omitBody: context.Request.HttpMethod == "HEAD");
}
/// <summary>
/// Development Utility use only.
/// </summary>
public static string GetUrlVersionString(DateTimeOffset dateAndTime)
{
return(urlVersionStringPrefix + EwfSafeResponseWriter.GetUrlVersionString(dateAndTime));
}
/// <summary> /// Framework use only. /// </summary> protected string getUrlVersionString() => isVersioned?EwfSafeResponseWriter.GetUrlVersionString(GetResourceLastModificationDateAndTime()) : "";
private EwfSafeRequestHandler(EwfSafeResponseWriter responseWriter)
{
this.responseWriter = responseWriter;
}
