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
- InvalidOleVariantTypeException.cs
- LifetimeServices.cs
- FrameworkElement.cs
- TextBox.cs
- TimeSpanStorage.cs
- ConstructorArgumentAttribute.cs
- AudioBase.cs
- PriorityQueue.cs
- HttpHandlerAction.cs
- WorkflowWebService.cs
- ComplexTypeEmitter.cs
- ColorConverter.cs
- RowSpanVector.cs
- XmlNamespaceDeclarationsAttribute.cs
- EnumValidator.cs
- BuildProviderInstallComponent.cs
- HttpListenerException.cs
- DefinitionUpdate.cs
- SqlEnums.cs
- ScriptDescriptor.cs
- ToolboxDataAttribute.cs
- DataGridViewRowsAddedEventArgs.cs
- RestHandler.cs
- MsmqAuthenticationMode.cs
- DbgUtil.cs
- SoapTypeAttribute.cs
- DBDataPermission.cs
- SqlBulkCopyColumnMapping.cs
- DataSetFieldSchema.cs
- DateTimeConverter2.cs
- DbInsertCommandTree.cs
- TypeDelegator.cs
- DataGridViewSortCompareEventArgs.cs
- Error.cs
- GZipStream.cs
- XmlSiteMapProvider.cs
- CreateRefExpr.cs
- MediaTimeline.cs
- ExpressionEditorAttribute.cs
- LocalValueEnumerator.cs
- RubberbandSelector.cs
- Package.cs
- DataBoundControlActionList.cs
- StringResourceManager.cs
- SymmetricAlgorithm.cs
- DependencyObject.cs
- EncoderFallback.cs
- XmlNamespaceMapping.cs
- CriticalHandle.cs
- GridViewAutomationPeer.cs
- DirectoryGroupQuery.cs
- BoolExpr.cs
- StorageTypeMapping.cs
- Faults.cs
- EventRouteFactory.cs
- BoundConstants.cs
- CustomDictionarySources.cs
- StagingAreaInputItem.cs
- TypeEnumerableViewSchema.cs
- JsonObjectDataContract.cs
- BitStream.cs
- ObservableDictionary.cs
- ContentDisposition.cs
- InkCanvasSelection.cs
- MetaColumn.cs
- UInt32Converter.cs
- EpmSyndicationContentSerializer.cs
- Menu.cs
- SwitchCase.cs
- ParseNumbers.cs
- DBCSCodePageEncoding.cs
- RotateTransform3D.cs
- WizardStepBase.cs
- FileSystemWatcher.cs
- AutoGeneratedField.cs
- DoubleAnimationBase.cs
- PropertyChangedEventManager.cs
- SingleObjectCollection.cs
- QueryGenerator.cs
- BindingOperations.cs
- TextFormattingConverter.cs
- DPCustomTypeDescriptor.cs
- String.cs
- MailHeaderInfo.cs
- processwaithandle.cs
- Select.cs
- IsolatedStorageFileStream.cs
- MethodToken.cs
- NamespaceCollection.cs
- WindowsTab.cs
- DataSetMappper.cs
- ExpressionBuilder.cs
- CompressionTracing.cs
- SiteIdentityPermission.cs
- CalendarDataBindingHandler.cs
- ParameterReplacerVisitor.cs
- BasePropertyDescriptor.cs
- ConfigXmlElement.cs
- GridErrorDlg.cs
- InputReportEventArgs.cs