public IObservable <IUrlResponse> GetResponse(IRoutingContext context)
{
Guard.ArgumentNotNull(context, "context");
Guard.ArgumentIsType(context.Request, typeof(NavigationRequest), "context.Request");
// we initialize a lazy observer that is initialized when subscribed too
LazyRelayObservable <IUrlResponse> _relayObservable = null;
_relayObservable = new LazyRelayObservable <IUrlResponse>((o) =>
{
// we get the response content, if it is empty we return
Object _content = _responseResolver(context.ParsedParameters);
if (_content == null)
{
var _response = new NavigationResponse((NavigationRequest)context.Request,
ResponseStatus.UrlNotFound, _content, context.ParsedParameters);
o.OnNext(_response);
// need to specialize this exception
//_localObservable.OnError(new InvalidOperationException(string.Format(NO_PAGE_RESOLVED, context.Request.Url)));
}
else
{
// we get the navigation response
var _response = new NavigationResponse((NavigationRequest)context.Request,
ResponseStatus.Success, _content, context.ParsedParameters);
_relayObservable.OnNext(_response);
_relayObservable.OnCompleted();
}
});
// and return
return(_relayObservable);
}
//public SiteMap SiteMap
//{
// get { return _siteMap; }
// set
// {
// if (_siteMap != null) throw new InvalidOperationException(SITEMAP_SET_ONCE);
// _siteMap = value;
// }
//}
#region ISiteMapProvider Members
public IObservable <SiteMap> ResolveSiteMap()
{
var _observable = new LazyRelayObservable <SiteMap>((o) =>
{
o.OnNext(this.SiteMap);
o.OnCompleted();
});
return(_observable);
}
public IObservable <IUrlResponse> GetResponse(IRoutingContext context)
{
Guard.ArgumentNotNull(context, "context");
if (!typeof(NavigationRequest).IsAssignableFrom(context.Request.GetType()))
{
throw new InvalidOperationException(REQUEST_TYPE_REQUIRED);
}
// lazily create the observer
var _relayObservable = new LazyRelayObservable <IUrlResponse>((s) =>
{
Object _content = null;
try
{
// we get the assembly, not assuming that if not specified we take the application's assembly
var _assemblyName = (!string.IsNullOrEmpty(_resourceAssemblyName)) ?
_resourceAssemblyName : GetApplicationAssemblyName();
// and we try and load thew resource
var _streamResourceInfo = System.Windows.Application.GetResourceStream(
new Uri(string.Format(RESOURCE_PATH_FORMAT, _assemblyName, _resourcePath), UriKind.Relative));
// we load the content
_content = _resourceLoader(_streamResourceInfo.Stream);
}
catch (Exception ex)
{
s.OnError(ex);
return;
}
if (_content == null)
{
// todo: need to specialize this exception
s.OnError(new InvalidOperationException(string.Format(NO_PAGE_RESOLVED, context.Request.RequestUrl)));
}
else
{
// we get the navigation response
var _response = new NavigationResponse((NavigationRequest)context.Request, ResponseStatus.Success, _content, context.ParsedParameters);
// and return and close
s.OnNext(_response);
s.OnCompleted();
}
});
// and return
return(_relayObservable);
}
public IObservable <IUrlResponse> GetResponse(IRoutingContext context)
{
Guard.ArgumentNotNull(context, "context");
Guard.ArgumentIsType(context.Request, typeof(ControllerActionRequest), "context.Request");
var _relayObservable = new LazyRelayObservable <IUrlResponse>((s) =>
{
var _request = (ControllerActionRequest)context.Request;
var _controller = (IController)TypeBuilder.BuildType(_controllerType);
var _response = new ControllerContext(_request, ResponseStatus.Success, _controller, context.ParsedParameters);
s.OnNext(_response);
s.OnCompleted();
});
return(_relayObservable);
}
public IObservable <IUrlResponse> GetResponse(IRoutingContext context)
{
// we get the route handler from the resource locator
IRouteHandler _routeHandler = null;
if (!ResourceLocator.TryGetResource <IRouteHandler>(_url, out _routeHandler))
{
// we return that the handler was not found
var _observer = new LazyRelayObservable <IUrlResponse>((s) =>
{
s.OnNext(new UrlResponse(context.Request, ResponseStatus.HandlerNotFound, null, null));
s.OnCompleted();
});
return(_observer);
}
// we we resolve
return(_routeHandler.GetResponse(context));
}
