85 lines
2.4 KiB
C#
85 lines
2.4 KiB
C#
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//----------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//----------------------------------------------------------------
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namespace System.ServiceModel.Routing
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{
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using System;
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using System.ServiceModel;
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using System.ServiceModel.Channels;
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using System.Xml;
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using System.Runtime;
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class DelegatingHeader : MessageHeader
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{
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int index;
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MessageHeaderInfo info;
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MessageHeaders originalHeaders;
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public DelegatingHeader(MessageHeaderInfo info, MessageHeaders originalHeaders)
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{
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Fx.Assert(info != null, "info is required");
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Fx.Assert(originalHeaders != null, "originalHeaders is required");
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this.info = info;
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this.originalHeaders = originalHeaders;
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this.index = -1;
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}
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void EnsureIndex()
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{
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if (this.index < 0)
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{
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this.index = this.originalHeaders.FindHeader(this.info.Name, this.info.Namespace);
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if (this.index < 0)
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{
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throw FxTrace.Exception.AsError(new InvalidOperationException(SR.SourceHeaderNotFound(this.info.Name, this.info.Namespace)));
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}
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}
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}
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protected override void OnWriteHeaderContents(XmlDictionaryWriter writer, MessageVersion messageVersion)
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{
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this.EnsureIndex();
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this.originalHeaders.WriteHeaderContents(index, writer);
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this.index = -1;
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}
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protected override void OnWriteStartHeader(XmlDictionaryWriter writer, MessageVersion messageVersion)
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{
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this.EnsureIndex();
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this.originalHeaders.WriteStartHeader(this.index, writer);
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}
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public override string Name
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{
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get { return this.info.Name; }
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}
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public override string Namespace
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{
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get { return this.info.Namespace; }
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}
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public override bool MustUnderstand
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{
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get { return this.info.MustUnderstand; }
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}
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public override string Actor
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{
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get { return this.info.Actor; }
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}
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public override bool IsReferenceParameter
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{
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get { return this.info.IsReferenceParameter; }
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}
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public override bool Relay
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{
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get { return base.Relay; }
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}
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}
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}
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