Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / xsp / System / Web / HttpCacheParams.cs / 1 / HttpCacheParams.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Cache Vary class. Wraps Vary header * * Copyright (c) 1998 Microsoft Corporation */ namespace System.Web { using System.Text; using System.Runtime.InteropServices; using System.Web.Util; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class HttpCacheVaryByParams { HttpDictionary _parameters; int _ignoreParams; bool _isModified; bool _paramsStar; internal HttpCacheVaryByParams() { Reset(); } internal void Reset() { _isModified = false; _paramsStar = false; _parameters = null; _ignoreParams = -1; } /* * Reset based on the cached vary headers. */ internal void ResetFromParams(String[] parameters) { int i, n; Reset(); if (parameters != null) { _isModified = true; if (parameters[0].Length == 0) { Debug.Assert(parameters.Length == 1, "parameters.Length == 1"); IgnoreParams = true; } else if (parameters[0].Equals("*")) { Debug.Assert(parameters.Length == 1, "parameters.Length == 1"); _paramsStar = true; } else { _parameters = new HttpDictionary(); for (i = 0, n = parameters.Length; i < n; i++) { _parameters.SetValue(parameters[i], parameters[i]); } } } } internal bool IsModified() { return _isModified; } internal bool AcceptsParams() { return _ignoreParams == 1 || _paramsStar || _parameters != null; } internal String[] GetParams() { String[] s = null; Object item; int i, j, c, n; if (_ignoreParams == 1) { s = new String[1] {String.Empty}; } else if (_paramsStar) { s = new String[1] {"*"}; } else if (_parameters != null) { n = _parameters.Size; c = 0; for (i = 0; i < n; i++) { item = _parameters.GetValue(i); if (item != null) { c++; } } if (c > 0) { s = new string[c]; j = 0; for (i = 0; i < n; i++) { item = _parameters.GetValue(i); if (item != null) { s[j] = (String) item; j++; } } Debug.Assert(j == c, "j == c"); } } return s; } // // Public methods and properties // ///Indicates that a cache should contain multiple /// representations for a particular Uri. This class is an encapsulation that /// provides a rich, type-safe way to set the Vary header. ////// public bool this[String header] { get { if (header == null) { throw new ArgumentNullException("header"); } if (header.Length == 0) { return _ignoreParams == 1; } else { return _paramsStar || (_parameters != null && _parameters.GetValue(header) != null); } } set { if (header == null) { throw new ArgumentNullException("header"); } if (header.Length == 0) { IgnoreParams = value; } /* * Since adding a Vary parameter is more restrictive, we don't * want components to be able to set a Vary parameter to false * if another component has set it to true. */ else if (value) { _isModified = true; _ignoreParams = 0; if (header.Equals("*")) { _paramsStar = true; _parameters = null; } else { // set value to header if true or null if false if (!_paramsStar) { if (_parameters == null) { _parameters = new HttpDictionary(); } _parameters.SetValue(header, header); } } } } } public bool IgnoreParams { get { return _ignoreParams == 1; } set { // Don't ignore if params have been added if (_paramsStar || _parameters != null) { return; } if (_ignoreParams == -1 || _ignoreParams == 1) { _ignoreParams = value ? 1 : 0; _isModified = true; } } } internal bool IsVaryByStar { get { return _paramsStar; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //Default property. /// Indexed property indicating that a cache should (or should not) vary according /// to a custom header. ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Cache Vary class. Wraps Vary header * * Copyright (c) 1998 Microsoft Corporation */ namespace System.Web { using System.Text; using System.Runtime.InteropServices; using System.Web.Util; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class HttpCacheVaryByParams { HttpDictionary _parameters; int _ignoreParams; bool _isModified; bool _paramsStar; internal HttpCacheVaryByParams() { Reset(); } internal void Reset() { _isModified = false; _paramsStar = false; _parameters = null; _ignoreParams = -1; } /* * Reset based on the cached vary headers. */ internal void ResetFromParams(String[] parameters) { int i, n; Reset(); if (parameters != null) { _isModified = true; if (parameters[0].Length == 0) { Debug.Assert(parameters.Length == 1, "parameters.Length == 1"); IgnoreParams = true; } else if (parameters[0].Equals("*")) { Debug.Assert(parameters.Length == 1, "parameters.Length == 1"); _paramsStar = true; } else { _parameters = new HttpDictionary(); for (i = 0, n = parameters.Length; i < n; i++) { _parameters.SetValue(parameters[i], parameters[i]); } } } } internal bool IsModified() { return _isModified; } internal bool AcceptsParams() { return _ignoreParams == 1 || _paramsStar || _parameters != null; } internal String[] GetParams() { String[] s = null; Object item; int i, j, c, n; if (_ignoreParams == 1) { s = new String[1] {String.Empty}; } else if (_paramsStar) { s = new String[1] {"*"}; } else if (_parameters != null) { n = _parameters.Size; c = 0; for (i = 0; i < n; i++) { item = _parameters.GetValue(i); if (item != null) { c++; } } if (c > 0) { s = new string[c]; j = 0; for (i = 0; i < n; i++) { item = _parameters.GetValue(i); if (item != null) { s[j] = (String) item; j++; } } Debug.Assert(j == c, "j == c"); } } return s; } // // Public methods and properties // ///Indicates that a cache should contain multiple /// representations for a particular Uri. This class is an encapsulation that /// provides a rich, type-safe way to set the Vary header. ////// public bool this[String header] { get { if (header == null) { throw new ArgumentNullException("header"); } if (header.Length == 0) { return _ignoreParams == 1; } else { return _paramsStar || (_parameters != null && _parameters.GetValue(header) != null); } } set { if (header == null) { throw new ArgumentNullException("header"); } if (header.Length == 0) { IgnoreParams = value; } /* * Since adding a Vary parameter is more restrictive, we don't * want components to be able to set a Vary parameter to false * if another component has set it to true. */ else if (value) { _isModified = true; _ignoreParams = 0; if (header.Equals("*")) { _paramsStar = true; _parameters = null; } else { // set value to header if true or null if false if (!_paramsStar) { if (_parameters == null) { _parameters = new HttpDictionary(); } _parameters.SetValue(header, header); } } } } } public bool IgnoreParams { get { return _ignoreParams == 1; } set { // Don't ignore if params have been added if (_paramsStar || _parameters != null) { return; } if (_ignoreParams == -1 || _ignoreParams == 1) { _ignoreParams = value ? 1 : 0; _isModified = true; } } } internal bool IsVaryByStar { get { return _paramsStar; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.Default property. /// Indexed property indicating that a cache should (or should not) vary according /// to a custom header. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- CapabilitiesPattern.cs
- UInt64Converter.cs
- UserThread.cs
- ArithmeticException.cs
- HttpListenerPrefixCollection.cs
- ConfigurationException.cs
- TextContainerChangeEventArgs.cs
- DetailsViewPagerRow.cs
- AspNetHostingPermission.cs
- Operators.cs
- RemoveStoryboard.cs
- WindowPatternIdentifiers.cs
- _NativeSSPI.cs
- ScrollableControlDesigner.cs
- ValidatedMobileControlConverter.cs
- TextPointer.cs
- EntityDataSourceContainerNameItem.cs
- ServiceOperation.cs
- DefaultTextStoreTextComposition.cs
- LinqDataSourceDisposeEventArgs.cs
- SqlCommandSet.cs
- XmlException.cs
- EpmContentDeSerializer.cs
- ResolveNameEventArgs.cs
- CodeDomLocalizationProvider.cs
- CodeIndexerExpression.cs
- ListenDesigner.cs
- EncodingInfo.cs
- LoadGrammarCompletedEventArgs.cs
- DesignerFrame.cs
- ProcessThreadCollection.cs
- DirectionalLight.cs
- HtmlTableCellCollection.cs
- View.cs
- SystemException.cs
- ClassValidator.cs
- XmlWriterSettings.cs
- ModelItemKeyValuePair.cs
- XPathSelfQuery.cs
- XmlRootAttribute.cs
- MergePropertyDescriptor.cs
- XmlSchemaComplexContentExtension.cs
- CodeValidator.cs
- ListBoxItemWrapperAutomationPeer.cs
- xmlfixedPageInfo.cs
- HorizontalAlignConverter.cs
- LabelLiteral.cs
- SelectorAutomationPeer.cs
- HttpHeaderCollection.cs
- HttpFileCollection.cs
- GradientBrush.cs
- ValidatorUtils.cs
- ViewStateException.cs
- HtmlAnchor.cs
- EventItfInfo.cs
- TypeUsage.cs
- PopupEventArgs.cs
- ApplicationCommands.cs
- ToolStripHighContrastRenderer.cs
- GenericsInstances.cs
- DynamicQueryableWrapper.cs
- ScrollBarAutomationPeer.cs
- ConfigurationManagerHelper.cs
- HierarchicalDataBoundControl.cs
- MenuCommandsChangedEventArgs.cs
- ThreadNeutralSemaphore.cs
- AsymmetricSignatureDeformatter.cs
- ImmComposition.cs
- TypeLibConverter.cs
- UnsafeNativeMethods.cs
- OrderedDictionary.cs
- AddInToken.cs
- CultureSpecificStringDictionary.cs
- FreezableDefaultValueFactory.cs
- NativeRecognizer.cs
- ListViewItem.cs
- WebControl.cs
- Compiler.cs
- HtmlLinkAdapter.cs
- HttpCapabilitiesEvaluator.cs
- RootProfilePropertySettingsCollection.cs
- Timer.cs
- unsafeIndexingFilterStream.cs
- ResXResourceSet.cs
- EventToken.cs
- ClaimTypes.cs
- BuildProviderCollection.cs
- PrintDialog.cs
- ScrollItemPattern.cs
- FrameworkName.cs
- UTF8Encoding.cs
- BooleanSwitch.cs
- CodeAccessPermission.cs
- DelegateBodyWriter.cs
- DeriveBytes.cs
- InvalidFilterCriteriaException.cs
- ReaderOutput.cs
- CapabilitiesPattern.cs
- TypeBinaryExpression.cs
- GetPageNumberCompletedEventArgs.cs