private ViewLocationCacheResult LocatePageFromPath(string executingFilePath, string pagePath, bool isMainPage) { var applicationRelativePath = GetAbsolutePath(executingFilePath, pagePath); var cacheKey = new ViewLocationCacheKey(applicationRelativePath, isMainPage); ViewLocationCacheResult cacheResult; if (!ViewLookupCache.TryGetValue(cacheKey, out cacheResult)) { var expirationTokens = new HashSet<IChangeToken>(); cacheResult = CreateCacheResult(expirationTokens, applicationRelativePath, isMainPage); var cacheEntryOptions = new MemoryCacheEntryOptions(); cacheEntryOptions.SetSlidingExpiration(_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 ViewLocationCacheResult(new[] { applicationRelativePath }); } cacheResult = ViewLookupCache.Set<ViewLocationCacheResult>( cacheKey, cacheResult, cacheEntryOptions); } return cacheResult; }
private ViewLocationCacheResult OnCacheMiss( ViewLocationExpanderContext expanderContext, ViewLocationCacheKey cacheKey) { // Only use the area view location formats if we have an area token. IEnumerable<string> viewLocations = !string.IsNullOrEmpty(expanderContext.AreaName) ? _options.AreaViewLocationFormats : _options.ViewLocationFormats; for (var i = 0; i < _options.ViewLocationExpanders.Count; i++) { viewLocations = _options.ViewLocationExpanders[i].ExpandViewLocations(expanderContext, viewLocations); } ViewLocationCacheResult 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); 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 ViewLocationCacheResult(searchedLocations); } var cacheEntryOptions = new MemoryCacheEntryOptions(); cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration); foreach (var expirationToken in expirationTokens) { cacheEntryOptions.AddExpirationToken(expirationToken); } return ViewLookupCache.Set<ViewLocationCacheResult>(cacheKey, cacheResult, cacheEntryOptions); }
private ViewEngineResult CreateViewEngineResult(ViewLocationCacheResult result, string viewName) { if (!result.Success) { return ViewEngineResult.NotFound(viewName, result.SearchedLocations); } var page = result.ViewEntry.PageFactory(); var viewStarts = new IRazorPage[result.ViewStartEntries.Count]; for (var i = 0; i < viewStarts.Length; i++) { var viewStartItem = result.ViewStartEntries[i]; viewStarts[i] = viewStartItem.PageFactory(); } var view = new RazorView(this, _pageActivator, viewStarts, page, _htmlEncoder); return ViewEngineResult.Found(viewName, view); }