Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / HttpCacheParams.cs / 1305376 / 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; ////// public sealed class HttpCacheVaryByParams { HttpDictionary _parameters; int _ignoreParams; bool _isModified; bool _paramsStar; public 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; ////// public sealed class HttpCacheVaryByParams { HttpDictionary _parameters; int _ignoreParams; bool _isModified; bool _paramsStar; public 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
- TypeForwardedToAttribute.cs
- GridViewHeaderRowPresenter.cs
- ByteConverter.cs
- GraphicsContainer.cs
- DataSvcMapFileSerializer.cs
- CompilationUnit.cs
- DataGridViewRowConverter.cs
- ISAPIApplicationHost.cs
- FixedSOMPage.cs
- PartitionedDataSource.cs
- PropertyItem.cs
- PackWebRequest.cs
- UpDownEvent.cs
- WindowsGraphics2.cs
- XmlReaderSettings.cs
- Converter.cs
- Unit.cs
- diagnosticsswitches.cs
- FunctionImportMapping.cs
- BindingNavigator.cs
- NetworkAddressChange.cs
- UnsafeNativeMethodsCLR.cs
- WebReferencesBuildProvider.cs
- ValuePattern.cs
- CriticalHandle.cs
- Vector.cs
- DataSourceSelectArguments.cs
- SqlConnectionString.cs
- Int16KeyFrameCollection.cs
- ActivityUtilities.cs
- CommandBindingCollection.cs
- RemoteWebConfigurationHostServer.cs
- DSASignatureFormatter.cs
- SecurityAlgorithmSuite.cs
- ChildDocumentBlock.cs
- BinaryFormatterWriter.cs
- SQLGuidStorage.cs
- ToolStripSettings.cs
- DBBindings.cs
- PrivilegeNotHeldException.cs
- GridViewItemAutomationPeer.cs
- GridViewColumnCollectionChangedEventArgs.cs
- SerializationEventsCache.cs
- DaylightTime.cs
- input.cs
- WsdlBuildProvider.cs
- _SafeNetHandles.cs
- UriSectionData.cs
- BamlRecords.cs
- TranslateTransform3D.cs
- FrameworkElementFactory.cs
- ApplicationSecurityInfo.cs
- XmlStrings.cs
- typedescriptorpermission.cs
- Exceptions.cs
- PageContentCollection.cs
- ConnectionPoint.cs
- CompiledScopeCriteria.cs
- EdmSchemaAttribute.cs
- CommandEventArgs.cs
- Attributes.cs
- FastEncoderWindow.cs
- MemoryMappedViewStream.cs
- QueryCursorEventArgs.cs
- RotateTransform3D.cs
- RuntimeConfigurationRecord.cs
- PartialCachingControl.cs
- RelationshipConverter.cs
- InternalBufferManager.cs
- DataListItemCollection.cs
- ParameterReplacerVisitor.cs
- ToolStripPanel.cs
- ExpressionBindings.cs
- ServiceHandle.cs
- PageRequestManager.cs
- ContextMenuAutomationPeer.cs
- NotifyInputEventArgs.cs
- GlyphTypeface.cs
- TypedTableBaseExtensions.cs
- MailWebEventProvider.cs
- WindowsEditBox.cs
- TreeNode.cs
- MarshalByRefObject.cs
- RegionInfo.cs
- GiveFeedbackEventArgs.cs
- WindowsGraphics2.cs
- EventMemberCodeDomSerializer.cs
- QilVisitor.cs
- FontUnit.cs
- TypeToken.cs
- JavaScriptString.cs
- DataGridColumnEventArgs.cs
- ReflectionTypeLoadException.cs
- ProtocolViolationException.cs
- WebConfigurationManager.cs
- SystemResourceKey.cs
- DesignerActionHeaderItem.cs
- StyleHelper.cs
- GenerateTemporaryTargetAssembly.cs
- EntityTransaction.cs