Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / Cache / RequestCacheManager.cs / 1305376 / 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;} } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ping.cs
- EntityContainerAssociationSetEnd.cs
- SoapObjectReader.cs
- TimeSpan.cs
- DataGridViewColumnCollection.cs
- OSEnvironmentHelper.cs
- IndexedString.cs
- HostedImpersonationContext.cs
- validation.cs
- MultiView.cs
- ListBoxItem.cs
- XmlILTrace.cs
- RectValueSerializer.cs
- TraceUtils.cs
- ListenerHandler.cs
- QueryReaderSettings.cs
- HtmlHistory.cs
- UserControl.cs
- DPCustomTypeDescriptor.cs
- WebPartConnectionsCloseVerb.cs
- OledbConnectionStringbuilder.cs
- GeneralTransform3DTo2DTo3D.cs
- SqlCharStream.cs
- DataSetUtil.cs
- ReadOnlyActivityGlyph.cs
- LiteralTextContainerControlBuilder.cs
- Icon.cs
- storepermissionattribute.cs
- HMACSHA256.cs
- ExtendLockAsyncResult.cs
- ConfigXmlElement.cs
- ObjectAssociationEndMapping.cs
- LinqExpressionNormalizer.cs
- Stopwatch.cs
- InstanceDescriptor.cs
- XmlSchemaCompilationSettings.cs
- RandomNumberGenerator.cs
- DependencyPropertyDescriptor.cs
- PocoEntityKeyStrategy.cs
- SelectionEditor.cs
- TypeInfo.cs
- WebPartManager.cs
- Control.cs
- NegotiateStream.cs
- StringDictionary.cs
- PolicyLevel.cs
- ControlPaint.cs
- TabItemWrapperAutomationPeer.cs
- InputLanguageManager.cs
- AuthenticationManager.cs
- PathGeometry.cs
- CodeSnippetCompileUnit.cs
- MarshalDirectiveException.cs
- NavigationWindow.cs
- DictionaryBase.cs
- XMLSchema.cs
- Stack.cs
- EventProviderWriter.cs
- NonParentingControl.cs
- ReliableDuplexSessionChannel.cs
- ControlPersister.cs
- CodeIdentifiers.cs
- XmlUtil.cs
- ZipIOExtraField.cs
- SqlDataSourceSelectingEventArgs.cs
- XmlSortKeyAccumulator.cs
- EntityFrameworkVersions.cs
- unsafenativemethodstextservices.cs
- CatalogPart.cs
- EditingContext.cs
- DataFieldConverter.cs
- DataServiceQueryException.cs
- RowUpdatedEventArgs.cs
- SystemGatewayIPAddressInformation.cs
- _Connection.cs
- ReturnEventArgs.cs
- ResourceExpressionEditorSheet.cs
- HotCommands.cs
- Label.cs
- CultureMapper.cs
- SettingsSavedEventArgs.cs
- SiteMembershipCondition.cs
- FixedSOMImage.cs
- UIElementAutomationPeer.cs
- ValidationErrorEventArgs.cs
- JumpList.cs
- PermissionAttributes.cs
- SQLInt64Storage.cs
- DebugController.cs
- ResourcePart.cs
- ThreadPool.cs
- FacetValueContainer.cs
- ValidatedControlConverter.cs
- AesManaged.cs
- EntityDataSourceChangedEventArgs.cs
- RuntimeComponentFilter.cs
- ReferentialConstraint.cs
- DBDataPermissionAttribute.cs
- BinaryCommonClasses.cs
- SettingsBase.cs