ChannelBuilder.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / ChannelBuilder.cs / 1 / ChannelBuilder.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Channels 
{
    using System.Collections.Generic; 
    using System.ServiceModel.Dispatcher; 

    class ChannelBuilder 
    {
        CustomBinding binding;
        BindingContext context;
        BindingParameterCollection bindingParameters; 
        Uri listenUri;
 
        public ChannelBuilder(BindingContext context, bool addChannelDemuxerIfRequired) 
        {
            this.context = context; 
            if (addChannelDemuxerIfRequired)
            {
                this.AddDemuxerBindingElement(context.RemainingBindingElements);
            } 
            this.binding = new CustomBinding(context.Binding, context.RemainingBindingElements);
            this.bindingParameters = context.BindingParameters; 
        } 

        public ChannelBuilder(Binding binding, BindingParameterCollection bindingParameters, bool addChannelDemuxerIfRequired) 
        {
            this.binding = new CustomBinding(binding);
            this.bindingParameters = bindingParameters;
            if (addChannelDemuxerIfRequired) 
            {
                this.AddDemuxerBindingElement(this.binding.Elements); 
            } 
        }
 
        public ChannelBuilder(ChannelBuilder channelBuilder)
        {
            this.binding = new CustomBinding(channelBuilder.Binding);
            this.bindingParameters = channelBuilder.BindingParameters; 
            if (this.binding.Elements.Find() == null)
            { 
                DiagnosticUtility.DebugAssert("ChannelBuilder.ctor (this.binding.Elements.Find() != null)"); 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperInternal(false);
            } 
        }

        public CustomBinding Binding
        { 
            get { return this.binding; }
            set { this.binding = value; } 
        } 

        public BindingParameterCollection BindingParameters 
        {
            get { return this.bindingParameters; }
            set { this.bindingParameters = value; }
        } 

        void AddDemuxerBindingElement(BindingElementCollection elements) 
        { 
            if (elements.Find() == null)
            { 
                // add the channel demuxer binding element right above the transport
                TransportBindingElement transport = elements.Find();
                if (transport == null)
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.TransportBindingElementNotFound)));
                } 
                // cache the context state in the demuxer so that the same context state can be provided to the transport 
                // when building auxilliary channels and listeners (for ex, for security negotiation)
                elements.Insert(elements.IndexOf(transport), new ChannelDemuxerBindingElement(true)); 
            }
        }

        public IChannelFactory BuildChannelFactory() 
        {
            if (this.context != null) 
            { 
                IChannelFactory factory = this.context.BuildInnerChannelFactory();
                this.context = null; 
                return factory;
            }
            else
            { 
                return this.binding.BuildChannelFactory(this.bindingParameters);
            } 
        } 

        public IChannelListener BuildChannelListener() where TChannel : class, IChannel 
        {
            if (this.context != null)
            {
                IChannelListener listener = this.context.BuildInnerChannelListener(); 
                this.listenUri = listener.Uri;
                this.context = null; 
                return listener; 
            }
            else 
            {
                return this.binding.BuildChannelListener(this.listenUri, this.bindingParameters);
            }
        } 

        public IChannelListener BuildChannelListener(MessageFilter filter, int priority) where TChannel : class, IChannel 
        { 
            this.bindingParameters.Add(new ChannelDemuxerFilter(filter, priority));
            IChannelListener listener = this.BuildChannelListener(); 
            this.bindingParameters.Remove();

            return listener;
        } 

        public bool CanBuildChannelFactory() 
        { 
            return this.binding.CanBuildChannelFactory(this.bindingParameters);
        } 

        public bool CanBuildChannelListener() where TChannel : class, IChannel
        {
            return this.binding.CanBuildChannelListener(this.bindingParameters); 
        }
    } 
} 

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

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