Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / xsp / System / Web / HttpHeaderCollection.cs / 3 / HttpHeaderCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Collection of headers with write through to IIS for Set, Add, and Remove * * Copyright (c) 2000 Microsoft Corporation */ namespace System.Web { using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.Security.Permissions; using System.Runtime.Serialization; using System.Web.Hosting; using System.Web.Util; [Serializable()] internal class HttpHeaderCollection : HttpValueCollection { private HttpRequest _request; private HttpResponse _response; private IIS7WorkerRequest _iis7WorkerRequest; // This constructor creates the header collection for request headers. // Try to preallocate the base collection with a size that should be sufficient // to store the headers for most requests. internal HttpHeaderCollection(HttpWorkerRequest wr, HttpRequest request, int capacity) : base(capacity) { // if this is an IIS7WorkerRequest, then the collection will be writeable and we will // call into IIS7 to update the header blocks when changes are made. _iis7WorkerRequest = wr as IIS7WorkerRequest; _request = request; } // This constructor creates the header collection for response headers. // Try to preallocate the base collection with a size that should be sufficient // to store the headers for most requests. internal HttpHeaderCollection(HttpWorkerRequest wr, HttpResponse response, int capacity) : base(capacity) { // if this is an IIS7WorkerRequest, then the collection will be writeable and we will // call into IIS7 to update the header blocks when changes are made. _iis7WorkerRequest = wr as IIS7WorkerRequest; _response = response; } [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)] public override void GetObjectData(SerializationInfo info, StreamingContext context) { // WOS 127340: Request.Headers and Response.Headers are no longer serializable base.GetObjectData(info, context); // create an instance of HttpValueCollection since HttpHeaderCollection is tied to the request info.SetType(typeof(HttpValueCollection)); } public override void Add(String name, String value) { if (_iis7WorkerRequest == null) { throw new PlatformNotSupportedException(); } // append to existing value SetHeader(name, value, false /*replace*/); } public override void Clear() { throw new NotSupportedException(); } internal void ClearInternal() { // clear is only supported for response headers if (_request != null) { throw new NotSupportedException(); } base.Clear(); } public override void Set(String name, String value) { if (_iis7WorkerRequest == null) { throw new PlatformNotSupportedException(); } // set new value SetHeader(name, value, true /*replace*/); } internal void SetHeader(String name, String value, bool replace) { Debug.Assert(_iis7WorkerRequest != null, "_iis7WorkerRequest != null"); if (name == null) { throw new ArgumentNullException("name"); } if (value == null) { throw new ArgumentNullException("value"); } if (_request != null) { _iis7WorkerRequest.SetRequestHeader(name, value, replace); } else { if (_response.HeadersWritten) { throw new HttpException(SR.GetString(SR.Cannot_append_header_after_headers_sent)); } // set the header encoding to the selected encoding _iis7WorkerRequest.SetHeaderEncoding(_response.HeaderEncoding); _iis7WorkerRequest.SetResponseHeader(name, value, replace); if (_response.HasCachePolicy && StringUtil.EqualsIgnoreCase("Set-Cookie", name)) { _response.Cache.SetHasSetCookieHeader(); } } // update managed copy of header if (replace) { base.Set(name, value); } else { base.Add(name, value); } if (_request != null) { // update managed copy of server variable string svValue = replace ? value : base.Get(name); HttpServerVarsCollection serverVars = _request.ServerVariables as HttpServerVarsCollection; if (serverVars != null) { serverVars.SynchronizeServerVariable("HTTP_" + name.ToUpper(CultureInfo.InvariantCulture).Replace('-', '_'), svValue); } // invalidate Params collection _request.InvalidateParams(); } } // updates managed copy of header with current value from native header block internal void SynchronizeHeader(String name, String value) { if (name == null) { throw new ArgumentNullException("name"); } if (value != null) { base.Set(name, value); } else { base.Remove(name); } if (_request != null) { _request.InvalidateParams(); } } public override void Remove(String name) { if (_iis7WorkerRequest == null) { throw new PlatformNotSupportedException(); } if (name == null) { throw new ArgumentNullException("name"); } if (_request != null) { // delete by sending null value _iis7WorkerRequest.SetRequestHeader(name, null /*value*/, false /*replace*/); } else { _iis7WorkerRequest.SetResponseHeader(name, null /*value*/, false /*replace*/); } base.Remove(name); if (_request != null) { // update managed copy of server variable HttpServerVarsCollection serverVars = _request.ServerVariables as HttpServerVarsCollection; if (serverVars != null) { serverVars.SynchronizeServerVariable("HTTP_" + name.ToUpper(CultureInfo.InvariantCulture).Replace('-', '_'), null); } // invalidate Params collection _request.InvalidateParams(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SourceSwitch.cs
- CaseInsensitiveComparer.cs
- DeviceSpecificChoiceCollection.cs
- EmbeddedMailObject.cs
- Types.cs
- AvTrace.cs
- ServiceXNameTypeConverter.cs
- TrackingStringDictionary.cs
- WorkflowTimerService.cs
- CqlErrorHelper.cs
- CodeMethodInvokeExpression.cs
- ACL.cs
- CodeVariableReferenceExpression.cs
- CancelRequestedRecord.cs
- SettingsPropertyNotFoundException.cs
- ResourceReferenceExpression.cs
- StylusTip.cs
- DynamicDataExtensions.cs
- ServerIdentity.cs
- TypedTableBase.cs
- AdornerPresentationContext.cs
- WindowsTitleBar.cs
- DictionaryCustomTypeDescriptor.cs
- Repeater.cs
- GradientBrush.cs
- CategoryAttribute.cs
- RepeaterItemEventArgs.cs
- ColumnResult.cs
- GridViewRowPresenterBase.cs
- TypeSystem.cs
- ByteStack.cs
- SystemThemeKey.cs
- HeaderedContentControl.cs
- ZoomComboBox.cs
- ToolStripRenderEventArgs.cs
- SqlUdtInfo.cs
- MetadataArtifactLoaderFile.cs
- Point3DCollectionValueSerializer.cs
- Base64Encoding.cs
- QueryOperationResponseOfT.cs
- FileSystemWatcher.cs
- GeneralTransform.cs
- SecurityHelper.cs
- XamlPathDataSerializer.cs
- PagedDataSource.cs
- StreamProxy.cs
- Condition.cs
- ExpressionBinding.cs
- InvalidPrinterException.cs
- InputProcessorProfiles.cs
- DataViewManagerListItemTypeDescriptor.cs
- XmlSchemaAttributeGroup.cs
- OdbcPermission.cs
- Evidence.cs
- Padding.cs
- Properties.cs
- SafeNativeMethods.cs
- AuthenticatedStream.cs
- xmlsaver.cs
- RIPEMD160.cs
- UInt32Storage.cs
- XmlNode.cs
- XPathDocumentIterator.cs
- CompilationUnit.cs
- Operators.cs
- WeakEventTable.cs
- SendActivityDesignerTheme.cs
- SqlPersonalizationProvider.cs
- WorkflowOwnershipException.cs
- odbcmetadatacollectionnames.cs
- TreeWalker.cs
- StringToken.cs
- TreeViewCancelEvent.cs
- WorkflowApplicationTerminatedException.cs
- CustomPopupPlacement.cs
- SystemThemeKey.cs
- DocumentViewerAutomationPeer.cs
- DropTarget.cs
- BlurBitmapEffect.cs
- WebPartAddingEventArgs.cs
- PropertyChangeTracker.cs
- LoggedException.cs
- DBConnection.cs
- MsmqBindingElementBase.cs
- PingReply.cs
- QueryExpr.cs
- CheckedListBox.cs
- SqlWriter.cs
- DbMetaDataFactory.cs
- DataTableCollection.cs
- EdmFunctionAttribute.cs
- XPathBuilder.cs
- LinqDataSourceDeleteEventArgs.cs
- Point.cs
- SimpleMailWebEventProvider.cs
- EncryptedType.cs
- XmlEventCache.cs
- PropertyFilter.cs
- StatusCommandUI.cs
- GeometryCombineModeValidation.cs