示例#1
0
        private PublicViewLocationCacheResult LocatePageFromPath(string executingFilePath, string pagePath, bool isMainPage)
        {
            var applicationRelativePath = GetAbsolutePath(executingFilePath, pagePath);
            var cacheKey = new PublicViewLocationCacheKey(applicationRelativePath, isMainPage);

            if (!ViewLookupCache.TryGetValue(cacheKey, out PublicViewLocationCacheResult cacheResult))
            {
                var expirationTokens = new HashSet <IChangeToken>();
                cacheResult = CreateCacheResult(expirationTokens, applicationRelativePath, isMainPage);

                var cacheEntryOptions = new MemoryCacheEntryOptions();
                cacheEntryOptions.SetSlidingExpiration(this.options.CacheExpirationDuration);
                foreach (var expirationToken in expirationTokens)
                {
                    cacheEntryOptions.AddExpirationToken(expirationToken);
                }

                // No views were found at the specified location. Create a not found result.
                if (cacheResult == null)
                {
                    cacheResult = new PublicViewLocationCacheResult(new[] { applicationRelativePath });
                }

                cacheResult = ViewLookupCache.Set(
                    cacheKey,
                    cacheResult,
                    cacheEntryOptions);
            }

            return(cacheResult);
        }
示例#2
0
        private PublicViewLocationCacheResult LocatePageFromViewLocations(ActionContext actionContext, string pageName, bool isMainPage)
        {
            var    controllerName = GetNormalizedRouteValue(actionContext, ControllerKey);
            var    areaName       = GetNormalizedRouteValue(actionContext, AreaKey);
            string razorPageName  = null;

            if (actionContext.ActionDescriptor.RouteValues.ContainsKey(PageKey))
            {
                // Only calculate the Razor Page name if "page" is registered in RouteValues.
                razorPageName = GetNormalizedRouteValue(actionContext, PageKey);
            }

            var expanderContext = new ViewLocationExpanderContext(
                actionContext,
                pageName,
                controllerName,
                areaName,
                razorPageName,
                isMainPage);
            Dictionary <string, string> expanderValues = null;

            var expanders = options.ViewLocationExpanders;
            // Read interface .Count once rather than per iteration
            var expandersCount = expanders.Count;

            if (expandersCount > 0)
            {
                expanderValues         = new Dictionary <string, string>(StringComparer.Ordinal);
                expanderContext.Values = expanderValues;

                // Perf: Avoid allocations
                for (var i = 0; i < expandersCount; i++)
                {
                    expanders[i].PopulateValues(expanderContext);
                }
            }

            var cacheKey = new PublicViewLocationCacheKey(
                expanderContext.ViewName,
                expanderContext.ControllerName,
                expanderContext.AreaName,
                expanderContext.PageName,
                expanderContext.IsMainPage,
                expanderValues);

            if (!ViewLookupCache.TryGetValue(cacheKey, out PublicViewLocationCacheResult cacheResult))
            {
                cacheResult = OnCacheMiss(expanderContext, cacheKey);
            }

            return(cacheResult);
        }
示例#3
0
        private PublicViewLocationCacheResult OnCacheMiss(ViewLocationExpanderContext expanderContext, PublicViewLocationCacheKey cacheKey)
        {
            var viewLocations = GetViewLocationFormats(expanderContext);

            var expanders = options.ViewLocationExpanders;
            // Read interface .Count once rather than per iteration
            var expandersCount = expanders.Count;

            for (var i = 0; i < expandersCount; i++)
            {
                viewLocations = expanders[i].ExpandViewLocations(expanderContext, viewLocations);
            }

            PublicViewLocationCacheResult cacheResult = null;
            var searchedLocations = new List <string>();
            var expirationTokens  = new HashSet <IChangeToken>();

            foreach (var location in viewLocations)
            {
                var path = string.Format(
                    CultureInfo.InvariantCulture,
                    location,
                    expanderContext.ViewName,
                    expanderContext.ControllerName,
                    expanderContext.AreaName);

                path = PublicViewEnginePath.ResolvePath(path);

                cacheResult = CreateCacheResult(expirationTokens, path, expanderContext.IsMainPage);
                if (cacheResult != null)
                {
                    break;
                }

                searchedLocations.Add(path);
            }

            // No views were found at the specified location. Create a not found result.
            if (cacheResult == null)
            {
                cacheResult = new PublicViewLocationCacheResult(searchedLocations);
            }

            var cacheEntryOptions = new MemoryCacheEntryOptions();

            cacheEntryOptions.SetSlidingExpiration(this.options.CacheExpirationDuration);
            foreach (var expirationToken in expirationTokens)
            {
                cacheEntryOptions.AddExpirationToken(expirationToken);
            }

            return(ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions));
        }