Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Configuration / OutputCacheSection.cs / 1305376 / OutputCacheSection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Configuration { using System; using System.Xml; using System.Configuration; using System.Collections.Specialized; using System.Collections; using System.Globalization; using System.IO; using System.Text; using System.Security.Permissions; using System.Web.Caching; /**/ public sealed class OutputCacheSection : ConfigurationSection { internal const bool DefaultOmitVaryStar = false; private static ConfigurationPropertyCollection _properties; private static readonly ConfigurationProperty _propEnableOutputCache = new ConfigurationProperty("enableOutputCache", typeof(bool), true, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propEnableFragmentCache = new ConfigurationProperty("enableFragmentCache", typeof(bool), true, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propSendCacheControlHeader = new ConfigurationProperty("sendCacheControlHeader", typeof(bool), HttpRuntimeSection.DefaultSendCacheControlHeader, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propOmitVaryStar = new ConfigurationProperty("omitVaryStar", typeof(bool), DefaultOmitVaryStar, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propEnableKernelCacheForVaryByStar = new ConfigurationProperty("enableKernelCacheForVaryByStar", typeof(bool), false, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propDefaultProviderName = new ConfigurationProperty("defaultProvider", typeof(String), OutputCache.ASPNET_INTERNAL_PROVIDER_NAME, //defaultValue null, StdValidatorsAndConverters.NonEmptyStringValidator, ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propProviders = new ConfigurationProperty("providers", typeof(ProviderSettingsCollection), null, // defaultValue ConfigurationPropertyOptions.None); private bool sendCacheControlHeaderCached = false; private bool sendCacheControlHeaderCache; private bool omitVaryStarCached = false; private bool omitVaryStar; private bool enableKernelCacheForVaryByStarCached = false; private bool enableKernelCacheForVaryByStar; private bool enableOutputCacheCached = false; private bool enableOutputCache; static OutputCacheSection() { // Property initialization _properties = new ConfigurationPropertyCollection(); _properties.Add(_propEnableOutputCache); _properties.Add(_propEnableFragmentCache); _properties.Add(_propSendCacheControlHeader); _properties.Add(_propOmitVaryStar); _properties.Add(_propEnableKernelCacheForVaryByStar); _properties.Add(_propDefaultProviderName); _properties.Add(_propProviders); } public OutputCacheSection() { } protected override ConfigurationPropertyCollection Properties { get { return _properties; } } [ConfigurationProperty("enableOutputCache", DefaultValue = true)] public bool EnableOutputCache { get { if (enableOutputCacheCached == false) { enableOutputCache = (bool)base[_propEnableOutputCache]; enableOutputCacheCached = true; } return enableOutputCache; } set { base[_propEnableOutputCache] = value; enableOutputCache = value; } } [ConfigurationProperty("enableFragmentCache", DefaultValue = true)] public bool EnableFragmentCache { get { return (bool)base[_propEnableFragmentCache]; } set { base[_propEnableFragmentCache] = value; } } [ConfigurationProperty("sendCacheControlHeader", DefaultValue = HttpRuntimeSection.DefaultSendCacheControlHeader)] public bool SendCacheControlHeader { get { if (sendCacheControlHeaderCached == false) { sendCacheControlHeaderCache = (bool)base[_propSendCacheControlHeader]; sendCacheControlHeaderCached = true; } return sendCacheControlHeaderCache; } set { base[_propSendCacheControlHeader] = value; sendCacheControlHeaderCache = value; } } [ConfigurationProperty("omitVaryStar", DefaultValue = DefaultOmitVaryStar)] public bool OmitVaryStar { get { if (omitVaryStarCached == false) { omitVaryStar = (bool)base[_propOmitVaryStar]; omitVaryStarCached = true; } return omitVaryStar; } set { base[_propOmitVaryStar] = value; omitVaryStar = value; } } [ConfigurationProperty("enableKernelCacheForVaryByStar", DefaultValue = false)] public bool EnableKernelCacheForVaryByStar { get { if (enableKernelCacheForVaryByStarCached == false) { enableKernelCacheForVaryByStar = (bool)base[_propEnableKernelCacheForVaryByStar]; enableKernelCacheForVaryByStarCached = true; } return enableKernelCacheForVaryByStar; } set { base[_propEnableKernelCacheForVaryByStar] = value; enableKernelCacheForVaryByStar = value; } } [ConfigurationProperty("defaultProvider", DefaultValue = OutputCache.ASPNET_INTERNAL_PROVIDER_NAME)] [StringValidator(MinLength = 1)] public String DefaultProviderName { get { return (string) base[_propDefaultProviderName]; } set { base[_propDefaultProviderName] = value; } } [ConfigurationProperty("providers")] public ProviderSettingsCollection Providers { get { return (ProviderSettingsCollection)base[_propProviders]; } } [PermissionSet(SecurityAction.Assert, Unrestricted = true)] internal OutputCacheProviderCollection CreateProviderCollection() { // if there are no providers defined, we'll default to the v2.0 OutputCache ProviderSettingsCollection providers = Providers; if (providers == null || providers.Count == 0) { return null; } OutputCacheProviderCollection collection = new OutputCacheProviderCollection(); ProvidersHelper.InstantiateProviders(providers, collection, typeof(OutputCacheProvider)); collection.SetReadOnly(); return collection; } internal OutputCacheProvider GetDefaultProvider(OutputCacheProviderCollection providers) { // if defaultProvider is undefined, we'll default to the v2.0 OutputCache string defaultProviderName = DefaultProviderName; if (defaultProviderName == OutputCache.ASPNET_INTERNAL_PROVIDER_NAME) { return null; } // if the defaultProvider is defined, it must be in the providers collection OutputCacheProvider defaultProvider = (providers == null) ? null : providers[defaultProviderName]; if (defaultProvider == null) { throw new ConfigurationErrorsException(SR.GetString(SR.Def_provider_not_found), ElementInformation.Properties["defaultProvider"].Source, ElementInformation.Properties["defaultProvider"].LineNumber); } return defaultProvider; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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