Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Routing / HttpMethodConstraint.cs / 1305376 / HttpMethodConstraint.cs
namespace System.Web.Routing { using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Runtime.CompilerServices; [TypeForwardedFrom("System.Web.Routing, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")] public class HttpMethodConstraint : IRouteConstraint { public HttpMethodConstraint(params string[] allowedMethods) { if (allowedMethods == null) { throw new ArgumentNullException("allowedMethods"); } AllowedMethods = allowedMethods.ToList().AsReadOnly(); } public ICollectionAllowedMethods { get; private set; } protected virtual bool Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection) { if (httpContext == null) { throw new ArgumentNullException("httpContext"); } if (route == null) { throw new ArgumentNullException("route"); } if (parameterName == null) { throw new ArgumentNullException("parameterName"); } if (values == null) { throw new ArgumentNullException("values"); } switch (routeDirection) { case RouteDirection.IncomingRequest: return AllowedMethods.Any(method => String.Equals(method, httpContext.Request.HttpMethod, StringComparison.OrdinalIgnoreCase)); case RouteDirection.UrlGeneration: // We need to see if the user specified the HTTP method explicitly. Consider these two routes: // // a) Route: Url = "/{foo}", Constraints = { httpMethod = new HttpMethodConstraint("GET") } // b) Route: Url = "/{foo}", Constraints = { httpMethod = new HttpMethodConstraint("POST") } // // A user might know ahead of time that a URL he is generating might be used with a particular HTTP // method. If a URL will be used for an HTTP POST but we match on (a) while generating the URL, then // the HTTP GET-specific route will be used for URL generation, which might have undesired behavior. // To prevent this, a user might call RouteCollection.GetVirtualPath(..., { httpMethod = "POST" }) to // signal that he is generating a URL that will be used for an HTTP POST, so he wants the URL // generation to be performed by the (b) route instead of the (a) route, consistent with what would // happen on incoming requests. object parameterValue; if (!values.TryGetValue(parameterName, out parameterValue)) { return true; } string parameterValueString = parameterValue as string; if (parameterValueString == null) { throw new InvalidOperationException(String.Format(CultureInfo.CurrentUICulture, SR.GetString(SR.HttpMethodConstraint_ParameterValueMustBeString), parameterName, route.Url)); } return AllowedMethods.Any(method => String.Equals(method, parameterValueString, StringComparison.OrdinalIgnoreCase)); default: return true; } } #region IRouteConstraint Members bool IRouteConstraint.Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection) { return Match(httpContext, route, parameterName, values, routeDirection); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. namespace System.Web.Routing { using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Runtime.CompilerServices; [TypeForwardedFrom("System.Web.Routing, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")] public class HttpMethodConstraint : IRouteConstraint { public HttpMethodConstraint(params string[] allowedMethods) { if (allowedMethods == null) { throw new ArgumentNullException("allowedMethods"); } AllowedMethods = allowedMethods.ToList().AsReadOnly(); } public ICollection AllowedMethods { get; private set; } protected virtual bool Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection) { if (httpContext == null) { throw new ArgumentNullException("httpContext"); } if (route == null) { throw new ArgumentNullException("route"); } if (parameterName == null) { throw new ArgumentNullException("parameterName"); } if (values == null) { throw new ArgumentNullException("values"); } switch (routeDirection) { case RouteDirection.IncomingRequest: return AllowedMethods.Any(method => String.Equals(method, httpContext.Request.HttpMethod, StringComparison.OrdinalIgnoreCase)); case RouteDirection.UrlGeneration: // We need to see if the user specified the HTTP method explicitly. Consider these two routes: // // a) Route: Url = "/{foo}", Constraints = { httpMethod = new HttpMethodConstraint("GET") } // b) Route: Url = "/{foo}", Constraints = { httpMethod = new HttpMethodConstraint("POST") } // // A user might know ahead of time that a URL he is generating might be used with a particular HTTP // method. If a URL will be used for an HTTP POST but we match on (a) while generating the URL, then // the HTTP GET-specific route will be used for URL generation, which might have undesired behavior. // To prevent this, a user might call RouteCollection.GetVirtualPath(..., { httpMethod = "POST" }) to // signal that he is generating a URL that will be used for an HTTP POST, so he wants the URL // generation to be performed by the (b) route instead of the (a) route, consistent with what would // happen on incoming requests. object parameterValue; if (!values.TryGetValue(parameterName, out parameterValue)) { return true; } string parameterValueString = parameterValue as string; if (parameterValueString == null) { throw new InvalidOperationException(String.Format(CultureInfo.CurrentUICulture, SR.GetString(SR.HttpMethodConstraint_ParameterValueMustBeString), parameterName, route.Url)); } return AllowedMethods.Any(method => String.Equals(method, parameterValueString, StringComparison.OrdinalIgnoreCase)); default: return true; } } #region IRouteConstraint Members bool IRouteConstraint.Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection) { return Match(httpContext, route, parameterName, values, routeDirection); } #endregion } } // 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
- ApplicationDirectory.cs
- Link.cs
- SiteIdentityPermission.cs
- QilIterator.cs
- IpcManager.cs
- URL.cs
- MatrixTransform.cs
- EditCommandColumn.cs
- ThreadStateException.cs
- InstanceDataCollection.cs
- ConfigurationElement.cs
- CommonEndpointBehaviorElement.cs
- SessionStateUtil.cs
- HttpListenerException.cs
- WebPartCollection.cs
- ThemeDictionaryExtension.cs
- DirectionalLight.cs
- ThemeDictionaryExtension.cs
- BCLDebug.cs
- InternalConfigConfigurationFactory.cs
- TemplateParser.cs
- RenderCapability.cs
- CommandEventArgs.cs
- BindableAttribute.cs
- RepeaterItemCollection.cs
- XMLUtil.cs
- GlyphRunDrawing.cs
- TiffBitmapDecoder.cs
- ConfigErrorGlyph.cs
- XmlNamedNodeMap.cs
- ListViewUpdatedEventArgs.cs
- XPathNodeHelper.cs
- DataGridViewTextBoxEditingControl.cs
- PersonalizablePropertyEntry.cs
- ColumnHeaderConverter.cs
- AutoGeneratedFieldProperties.cs
- DetailsViewRowCollection.cs
- ExpressionBuilderContext.cs
- AssertFilter.cs
- WebServiceHostFactory.cs
- SymmetricSecurityProtocol.cs
- LinearGradientBrush.cs
- ModelUtilities.cs
- Keyboard.cs
- EnumConverter.cs
- ApplicationActivator.cs
- WebContext.cs
- UpdateTracker.cs
- _ProxyChain.cs
- ProfilePropertySettings.cs
- AtomicFile.cs
- ListBase.cs
- ImageField.cs
- OleDbDataAdapter.cs
- ControlValuePropertyAttribute.cs
- TreePrinter.cs
- ObjectDataProvider.cs
- AnimationLayer.cs
- UnsafeNativeMethodsCLR.cs
- DataGridViewRowCancelEventArgs.cs
- WrappedIUnknown.cs
- TransformGroup.cs
- DirectoryInfo.cs
- DbInsertCommandTree.cs
- OverrideMode.cs
- XPathNodeHelper.cs
- BaseTreeIterator.cs
- FlowStep.cs
- GlyphingCache.cs
- DataRowIndexBuffer.cs
- ScalarOps.cs
- SR.cs
- TextMarkerSource.cs
- BitmapFrameDecode.cs
- DynamicResourceExtensionConverter.cs
- XmlComplianceUtil.cs
- ContractUtils.cs
- PersistChildrenAttribute.cs
- DayRenderEvent.cs
- PackageRelationship.cs
- TeredoHelper.cs
- StorageRoot.cs
- NativeObjectSecurity.cs
- ComponentConverter.cs
- TreeNode.cs
- TemplateEditingService.cs
- PolyQuadraticBezierSegment.cs
- ContextMenu.cs
- OverflowException.cs
- ListenerConnectionModeReader.cs
- WebBrowserNavigatingEventHandler.cs
- GraphicsContainer.cs
- TiffBitmapEncoder.cs
- GeneralTransform3DTo2D.cs
- TextEditorCharacters.cs
- SBCSCodePageEncoding.cs
- SqlInternalConnectionSmi.cs
- ToolStripContainer.cs
- Message.cs
- ScrollBarRenderer.cs