/// <summary>
/// Called when an unhandled <see cref="ControllerActionException"/> is thrown.
///
/// The default implementation will write a simple HTML response describing the error.
/// </summary>
/// <param name="e">The exception that was thrown.</param>
protected virtual void OnUnhandledException(ControllerActionException e)
{
Response.StatusCode = (int)e.StatusCode;
var title = $"{(int) e.StatusCode}: {e.StatusCode}";
OnServiceHtml(new html
{
new head
{
new title {
title
}
},
new body
{
new h2 {
title
},
"Request:", nbsp, new code {
Request.Url.ToString()
}, br,
"Message:", nbsp, new code {
e.Message
}, br,
If((int)e.StatusCode >= 500 && (int)e.StatusCode < 600 && e.InnerException != null,
new code(style => "padding:8px;white-space:pre-wrap;display:block;")
{
e.ToString()
}
)
}
});
}
public bool TryInvokeAction(Controller controller, HttpListenerRequest request)
{
var prefixMatch = controller.ControllerMatcher.Match(request.Url);
Debug.Assert(prefixMatch.Success);
ControllerActionException exception = null;
for (var i = _actions.Count - 1; i >= 0; --i)
{
var bound = _actions[i];
if (!IsMatchingHttpMethod(bound.HttpMethod, controller.HttpMethod))
{
continue;
}
var match = bound.Matcher.Match(request.Url, prefixMatch.EndIndex);
if (!match.Success)
{
continue;
}
if (bound.MatchAllUrl && !IsMatchingAllUrl(match, request.Url))
{
continue;
}
try
{
controller.SetMatchedActionUrl(bound.Matcher, match);
bound.Action(controller);
return(true);
}
catch (ControllerActionException e)
{
if (e.RequestHandled)
{
throw;
}
if (exception == null)
{
exception = e;
}
}
}
if (exception != null)
{
throw exception;
}
return(false);
}