HttpProxyTransportBindingElement.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / infocard / Service / managed / Microsoft / InfoCards / HttpProxyTransportBindingElement.cs / 2 / HttpProxyTransportBindingElement.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

 
namespace Microsoft.InfoCards
{ 
    using System.Collections.Generic; 
    using System.ServiceModel.Description;
    using System.ServiceModel; 
    using System.Net;
    using System.ServiceModel.Channels;
    using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace;
 
    //
    // This class is used to replace the TransportBindingElement to a binding element which uses the user's proxy 
    // 
    class HttpProxyTransportBindingElement :TransportBindingElement
    { 
        HttpTransportBindingElement innerHttpTransport;
        IWebProxy proxy;

        // 
        // Summary:
        //  Replaces the HttpTransportBindingElement from the collection with HttpProxyTransportBindingElement 
        // 
        // Arguments:
        //  bindingElements:  The bindingElements collection to update 
        //  proxy: The proxy to be used for HttpTransport
        //  turnOffClientAuthOnTransport: When set to true, the AuthenticationScheme for the transport
        //      binding will be set to ANonymous
        // 
        // Returns:
        //  Returns the updated bindingElements collection. 
        // 
        public static BindingElementCollection ReplaceHttpTransportWithProxy(
            BindingElementCollection bindingElements, 
            IWebProxy proxy,
            bool turnOffClientAuthOnTransport )
        {
            int httpIndex = -1; 

            for( int i = 0; i < bindingElements.Count; i++ ) 
            { 
                if( bindingElements[ i ] is HttpTransportBindingElement )
                { 
                    httpIndex = i;
                    break;
                }
            } 

            if( httpIndex == -1 ) 
            { 
                // no HttpTransport to wrap, just return original binding
                return bindingElements; 
            }

            IDT.Assert( httpIndex == bindingElements.Count - 1, "Transport should be last in the Binding Element list" );
            HttpTransportBindingElement httpTransport = ( HttpTransportBindingElement )bindingElements[ httpIndex ]; 

            if( turnOffClientAuthOnTransport ) 
            { 
                httpTransport.AuthenticationScheme = AuthenticationSchemes.Anonymous;
            } 

            HttpProxyTransportBindingElement proxyTransport = new HttpProxyTransportBindingElement( proxy, httpTransport );
            bindingElements[ httpIndex ] = proxyTransport;
 
            return bindingElements;
        } 
 
        HttpProxyTransportBindingElement( IWebProxy proxy, HttpTransportBindingElement innerHttpTransport )
            : base() 
        {
            this.innerHttpTransport = innerHttpTransport;
            this.proxy = proxy;
        } 

        HttpProxyTransportBindingElement( HttpProxyTransportBindingElement elementToBeCloned ) 
            : base( elementToBeCloned ) 
        {
            this.innerHttpTransport = elementToBeCloned.innerHttpTransport; 
            this.proxy = elementToBeCloned.proxy;
        }

        public override long MaxBufferPoolSize 
        {
            get 
            { 
                return this.innerHttpTransport.MaxBufferPoolSize;
            } 
            set
            {
                this.innerHttpTransport.MaxBufferPoolSize = value;
            } 
        }
 
        public override long MaxReceivedMessageSize 
        {
            get 
            {
                return this.innerHttpTransport.MaxReceivedMessageSize;
            }
            set 
            {
                this.innerHttpTransport.MaxReceivedMessageSize = value; 
            } 
        }
 
        public override string Scheme
        {
            get { return this.innerHttpTransport.Scheme; }
        } 

        public override IChannelFactory BuildChannelFactory( BindingContext context ) 
        { 

            this.innerHttpTransport.Proxy = this.proxy; 
            HttpChannelFactory factory = (HttpChannelFactory)this.innerHttpTransport.BuildChannelFactory(context);
            return (IChannelFactory)(object)factory;
        }
 
        public override IChannelListener BuildChannelListener( BindingContext context )
        { 
            return this.innerHttpTransport.BuildChannelListener( context ); 
        }
 
        public override bool CanBuildChannelFactory( BindingContext context )
        {
            return this.innerHttpTransport.CanBuildChannelFactory( context );
        } 

        public override bool CanBuildChannelListener( BindingContext context ) 
        { 
            return this.innerHttpTransport.CanBuildChannelListener( context );
        } 

        public override BindingElement Clone()
        {
            return new HttpProxyTransportBindingElement( this ); 
        }
 
        public override T GetProperty( BindingContext context ) 
        {
            return this.innerHttpTransport.GetProperty( context ); 
        }
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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HttpProxyTransportBindingElement.cs source code in C# .NET

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