DelegatingHeader.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / System.ServiceModel.Routing / System / ServiceModel / Routing / DelegatingHeader.cs / 1305376 / DelegatingHeader.cs
                        

                        
                            //---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------

namespace System.ServiceModel.Routing 
{
    using System; 
    using System.ServiceModel; 
    using System.ServiceModel.Channels;
    using System.Xml; 
    using System.Runtime;

    class DelegatingHeader : MessageHeader
    { 
        int index;
        MessageHeaderInfo info; 
        MessageHeaders originalHeaders; 

        public DelegatingHeader(MessageHeaderInfo info, MessageHeaders originalHeaders) 
        {
            Fx.Assert(info != null, "info is required");
            Fx.Assert(originalHeaders != null, "originalHeaders is required");
 
            this.info = info;
            this.originalHeaders = originalHeaders; 
            this.index = -1; 
        }
 
        void EnsureIndex()
        {
            if (this.index < 0)
            { 
                this.index = this.originalHeaders.FindHeader(this.info.Name, this.info.Namespace);
                if (this.index < 0) 
                { 
                    throw FxTrace.Exception.AsError(new InvalidOperationException(SR.SourceHeaderNotFound(this.info.Name, this.info.Namespace)));
                } 
            }
        }

        protected override void OnWriteHeaderContents(XmlDictionaryWriter writer, MessageVersion messageVersion) 
        {
            this.EnsureIndex(); 
            this.originalHeaders.WriteHeaderContents(index, writer); 
            this.index = -1;
        } 

        protected override void OnWriteStartHeader(XmlDictionaryWriter writer, MessageVersion messageVersion)
        {
            this.EnsureIndex(); 
            this.originalHeaders.WriteStartHeader(this.index, writer);
        } 
 
        public override string Name
        { 
            get { return this.info.Name; }
        }

        public override string Namespace 
        {
            get { return this.info.Namespace; } 
        } 

        public override bool MustUnderstand 
        {
            get { return this.info.MustUnderstand; }
        }
 
        public override string Actor
        { 
            get { return this.info.Actor; } 
        }
 
        public override bool IsReferenceParameter
        {
            get { return this.info.IsReferenceParameter; }
        } 

        public override bool Relay 
        { 
            get { return base.Relay; }
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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