Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Cache / RequestCacheManager.cs / 1 / RequestCacheManager.cs
/*++ Copyright (c) Microsoft Corporation Module Name: RequestCacheManager.cs Abstract: The class implements the app domain wide configuration for request cache aware clients Author: Alexei Vopilov 21-Dec-2002 Revision History: Jan 25 2004 - Changed the visibility of the class from public to internal, compressed unused logic. --*/ namespace System.Net.Cache { using System; using System.Collections; using System.Net.Configuration; using System.Configuration; ///Specifies app domain-wide default settings for request caching internal sealed class RequestCacheManager { private RequestCacheManager() {} private static RequestCachingSectionInternal s_CacheConfigSettings; private static readonly RequestCacheBinding s_BypassCacheBinding = new RequestCacheBinding (null, null, new RequestCachePolicy(RequestCacheLevel.BypassCache)); private static RequestCacheBinding s_DefaultGlobalBinding; private static RequestCacheBinding s_DefaultHttpBinding; private static RequestCacheBinding s_DefaultFtpBinding; // // ATN: the caller MUST use uri.Scheme as a parameter, otheriwse cannot do schme ref comparision // internal static RequestCacheBinding GetBinding(string internedScheme) { if (internedScheme == null) throw new ArgumentNullException("uriScheme"); if (s_CacheConfigSettings == null) LoadConfigSettings(); if(s_CacheConfigSettings.DisableAllCaching) return s_BypassCacheBinding; if (internedScheme.Length == 0) return s_DefaultGlobalBinding; if ((object)internedScheme == (object)Uri.UriSchemeHttp || (object)internedScheme == (object)Uri.UriSchemeHttps) return s_DefaultHttpBinding; if ((object)internedScheme == (object)Uri.UriSchemeFtp) return s_DefaultFtpBinding; return s_BypassCacheBinding; } internal static bool IsCachingEnabled { get { if (s_CacheConfigSettings == null) LoadConfigSettings(); return !s_CacheConfigSettings.DisableAllCaching; } } // internal static void SetBinding(string uriScheme, RequestCacheBinding binding) { if (uriScheme == null) throw new ArgumentNullException("uriScheme"); if (s_CacheConfigSettings == null) LoadConfigSettings(); if(s_CacheConfigSettings.DisableAllCaching) return; if (uriScheme.Length == 0) s_DefaultGlobalBinding = binding; else if (uriScheme == Uri.UriSchemeHttp || uriScheme == Uri.UriSchemeHttps) s_DefaultHttpBinding = binding; else if (uriScheme == Uri.UriSchemeFtp) s_DefaultFtpBinding = binding; } // private static void LoadConfigSettings() { // Any concurent access shall go here and block until we've grabbed the config settings lock (s_BypassCacheBinding) { if (s_CacheConfigSettings == null) { RequestCachingSectionInternal settings = RequestCachingSectionInternal.GetSection(); s_DefaultGlobalBinding = new RequestCacheBinding (settings.DefaultCache, settings.DefaultHttpValidator, settings.DefaultCachePolicy); s_DefaultHttpBinding = new RequestCacheBinding (settings.DefaultCache, settings.DefaultHttpValidator, settings.DefaultHttpCachePolicy); s_DefaultFtpBinding = new RequestCacheBinding (settings.DefaultCache, settings.DefaultFtpValidator, settings.DefaultFtpCachePolicy); s_CacheConfigSettings = settings; } } } } // // internal class RequestCacheBinding { private RequestCache m_RequestCache; private RequestCacheValidator m_CacheValidator; private RequestCachePolicy m_Policy; internal RequestCacheBinding (RequestCache requestCache, RequestCacheValidator cacheValidator, RequestCachePolicy policy) { m_RequestCache = requestCache; m_CacheValidator = cacheValidator; m_Policy = policy; } internal RequestCache Cache { get {return m_RequestCache;} } internal RequestCacheValidator Validator { get {return m_CacheValidator;} } internal RequestCachePolicy Policy { get {return m_Policy;} } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SqlRowUpdatedEvent.cs
- StrongNameKeyPair.cs
- Comparer.cs
- ErrorStyle.cs
- DataServiceOperationContext.cs
- EntitySetDataBindingList.cs
- Lasso.cs
- CustomAttributeSerializer.cs
- MarshalByValueComponent.cs
- AppDomain.cs
- WindowsListViewGroupHelper.cs
- EntityParameterCollection.cs
- Hyperlink.cs
- SequentialOutput.cs
- SimpleHandlerBuildProvider.cs
- FileLevelControlBuilderAttribute.cs
- WindowsHyperlink.cs
- InternalConfigEventArgs.cs
- sqlmetadatafactory.cs
- PrintPreviewControl.cs
- GradientSpreadMethodValidation.cs
- FontUnit.cs
- FileFormatException.cs
- sqlpipe.cs
- TableLayoutSettings.cs
- DefaultWorkflowTransactionService.cs
- XmlComplianceUtil.cs
- DataGridViewHitTestInfo.cs
- XamlBrushSerializer.cs
- ColumnWidthChangingEvent.cs
- ExpressionEditorAttribute.cs
- cookiecollection.cs
- QueryableFilterUserControl.cs
- MetroSerializationManager.cs
- DBSchemaRow.cs
- CollectionViewGroupRoot.cs
- EventHandlerList.cs
- CollectionBuilder.cs
- SplitterPanelDesigner.cs
- AdPostCacheSubstitution.cs
- FocusWithinProperty.cs
- FrameworkContextData.cs
- HtmlShim.cs
- TextAdaptor.cs
- SqlParameter.cs
- DataListCommandEventArgs.cs
- SQLGuidStorage.cs
- StreamResourceInfo.cs
- DataObjectMethodAttribute.cs
- BitStack.cs
- StrokeNodeEnumerator.cs
- CachingHintValidation.cs
- UnsafeNativeMethods.cs
- WindowsAuthenticationModule.cs
- XmlSchema.cs
- CqlParser.cs
- CodeGenerator.cs
- ComplexTypeEmitter.cs
- ParseNumbers.cs
- DataControlFieldCollection.cs
- PropertyInformationCollection.cs
- XPathScanner.cs
- MdiWindowListStrip.cs
- XmlMapping.cs
- CryptoStream.cs
- AssemblyAttributesGoHere.cs
- FrameworkTextComposition.cs
- Column.cs
- StylusCollection.cs
- QueryCursorEventArgs.cs
- ExternalException.cs
- PartitionResolver.cs
- UIHelper.cs
- WebPartMovingEventArgs.cs
- HotSpot.cs
- DataGridViewRowContextMenuStripNeededEventArgs.cs
- ExtendedProperty.cs
- MessageSmuggler.cs
- ContentPresenter.cs
- XmlComplianceUtil.cs
- Quad.cs
- COAUTHINFO.cs
- JpegBitmapDecoder.cs
- OleTxTransaction.cs
- ToolStripItemImageRenderEventArgs.cs
- AdjustableArrowCap.cs
- NodeInfo.cs
- CompressedStack.cs
- RtType.cs
- BatchParser.cs
- BlobPersonalizationState.cs
- RenamedEventArgs.cs
- HelpProvider.cs
- BamlMapTable.cs
- ProfileManager.cs
- XhtmlConformanceSection.cs
- ISFTagAndGuidCache.cs
- PackageRelationshipSelector.cs
- DataGridViewImageCell.cs
- UidManager.cs