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
- XamlReader.cs
- NumberSubstitution.cs
- WebContext.cs
- SafeHandles.cs
- _SslStream.cs
- DataViewListener.cs
- Terminate.cs
- SurrogateEncoder.cs
- XPathArrayIterator.cs
- ProjectionQueryOptionExpression.cs
- XmlNodeReader.cs
- EntityCommandDefinition.cs
- PolicyUnit.cs
- ErrorWebPart.cs
- RecognizedAudio.cs
- PathGradientBrush.cs
- SelectionHighlightInfo.cs
- CellIdBoolean.cs
- StylusDevice.cs
- DataGridViewRowHeightInfoPushedEventArgs.cs
- ManifestResourceInfo.cs
- ToolStripRenderer.cs
- State.cs
- ParameterToken.cs
- OutputScopeManager.cs
- EncoderParameter.cs
- SetterBaseCollection.cs
- XmlUtilWriter.cs
- XmlWellformedWriter.cs
- BitmapEffectCollection.cs
- XmlBinaryWriterSession.cs
- BuildManager.cs
- ServiceOperationViewControl.cs
- smtpconnection.cs
- Function.cs
- Bits.cs
- XamlTreeBuilderBamlRecordWriter.cs
- XPathAxisIterator.cs
- ComponentConverter.cs
- FormViewInsertEventArgs.cs
- DesignColumnCollection.cs
- PageClientProxyGenerator.cs
- RenderingBiasValidation.cs
- HScrollProperties.cs
- CultureSpecificStringDictionary.cs
- StorageRoot.cs
- WebPartDisplayModeCancelEventArgs.cs
- MexHttpBindingCollectionElement.cs
- MetadataUtil.cs
- CrossContextChannel.cs
- GlyphRun.cs
- NullableDoubleSumAggregationOperator.cs
- WindowHelperService.cs
- X509Extension.cs
- PersonalizationProviderCollection.cs
- ColumnWidthChangedEvent.cs
- BrowserCapabilitiesCompiler.cs
- FontDialog.cs
- NamespaceImport.cs
- ObjectHandle.cs
- SecurityContextTokenValidationException.cs
- Rule.cs
- XmlQueryCardinality.cs
- Maps.cs
- JapaneseLunisolarCalendar.cs
- TypeDescriptionProviderAttribute.cs
- _OSSOCK.cs
- MetadataItem_Static.cs
- AvTraceDetails.cs
- ContentOperations.cs
- CompoundFileStorageReference.cs
- ControlValuePropertyAttribute.cs
- CodeValidator.cs
- WinFormsComponentEditor.cs
- LocalServiceSecuritySettingsElement.cs
- NetworkInformationException.cs
- SystemIPInterfaceProperties.cs
- TrackBar.cs
- StoreContentChangedEventArgs.cs
- RSAOAEPKeyExchangeFormatter.cs
- ScrollContentPresenter.cs
- TiffBitmapEncoder.cs
- XPathParser.cs
- RequiredAttributeAttribute.cs
- WebPartVerbsEventArgs.cs
- TypedRowGenerator.cs
- MSHTMLHost.cs
- MenuItemAutomationPeer.cs
- XmlArrayItemAttribute.cs
- ContainerAction.cs
- ToolboxItemAttribute.cs
- WebConfigurationHostFileChange.cs
- GroupDescription.cs
- DBDataPermission.cs
- X509ChainPolicy.cs
- XmlAttributeOverrides.cs
- FragmentQueryProcessor.cs
- ScaleTransform3D.cs
- PrintingPermission.cs
- SpeechRecognitionEngine.cs