378 lines
16 KiB
C#
378 lines
16 KiB
C#
//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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#pragma warning disable 1634, 1691
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namespace System.ServiceModel.ComIntegration
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{
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.IO;
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using System.Runtime;
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using System.Runtime.InteropServices;
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using System.ServiceModel;
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using System.ServiceModel.Channels;
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using System.ServiceModel.Description;
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using System.ServiceModel.Diagnostics;
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using System.ServiceModel.Dispatcher;
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using System.Threading;
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using System.Xml;
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using System.Xml.Schema;
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using ConfigNS = System.ServiceModel.Configuration;
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using WsdlNS = System.Web.Services.Description;
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internal class WsdlServiceChannelBuilder : IProxyCreator, IProvideChannelBuilderSettings
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{
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ContractDescription contractDescription = null;
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ServiceChannelFactory serviceChannelFactory = null;
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Dictionary<MonikerHelper.MonikerAttribute, string> propertyTable;
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ServiceChannel serviceChannel = null;
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ServiceEndpoint serviceEndpoint = null;
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KeyedByTypeCollection<IEndpointBehavior> behaviors = new KeyedByTypeCollection<IEndpointBehavior>();
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bool useXmlSerializer = false;
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//Suppressing PreSharp warning that property get methods should not throw
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#pragma warning disable 6503
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ServiceChannelFactory IProvideChannelBuilderSettings.ServiceChannelFactoryReadWrite
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{
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get
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{
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if (serviceChannel != null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(SR.GetString(SR.TooLate), HR.RPC_E_TOO_LATE));
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return serviceChannelFactory;
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}
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}
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#pragma warning restore 6503
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ServiceChannel IProvideChannelBuilderSettings.ServiceChannel
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{
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get
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{
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return CreateChannel();
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}
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}
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ServiceChannelFactory IProvideChannelBuilderSettings.ServiceChannelFactoryReadOnly
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{
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get
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{
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return serviceChannelFactory;
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}
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}
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//Suppressing PreSharp warning that property get methods should not throw
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#pragma warning disable 6503
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KeyedByTypeCollection<IEndpointBehavior> IProvideChannelBuilderSettings.Behaviors
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{
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get
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{
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if (serviceChannel != null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(SR.GetString(SR.TooLate), HR.RPC_E_TOO_LATE));
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return behaviors;
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}
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}
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#pragma warning restore 6503
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void IDisposable.Dispose()
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{
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if (serviceChannel != null)
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serviceChannel.Close();
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}
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internal WsdlServiceChannelBuilder(Dictionary<MonikerHelper.MonikerAttribute, string> propertyTable)
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{
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this.propertyTable = propertyTable;
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ProcessWsdl();
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}
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private ServiceChannel CreateChannel()
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{
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Thread.MemoryBarrier();
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if (serviceChannel == null)
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{
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lock (this)
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{
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Thread.MemoryBarrier();
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if (serviceChannel == null)
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{
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try
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{
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if (serviceChannelFactory == null)
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{
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FaultInserviceChannelFactory();
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}
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if (serviceChannelFactory == null)
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{
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throw Fx.AssertAndThrow("ServiceChannelFactory cannot be null at this point");
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}
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serviceChannelFactory.Open();
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if (serviceEndpoint == null)
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{
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throw Fx.AssertAndThrow("ServiceEndpoint cannot be null");
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}
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serviceChannel = serviceChannelFactory.CreateServiceChannel(new EndpointAddress(serviceEndpoint.Address.Uri, serviceEndpoint.Address.Identity, serviceEndpoint.Address.Headers), serviceEndpoint.Address.Uri);
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ComPlusChannelCreatedTrace.Trace(TraceEventType.Verbose, TraceCode.ComIntegrationChannelCreated,
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SR.TraceCodeComIntegrationChannelCreated, serviceEndpoint.Address.Uri, contractDescription.ContractType);
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if (serviceChannel == null)
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{
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throw Fx.AssertAndThrow("serviceProxy MUST derive from RealProxy");
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}
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}
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finally
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{
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if ((serviceChannel == null) && (serviceChannelFactory != null))
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{
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serviceChannelFactory.Close();
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}
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}
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}
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}
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}
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return serviceChannel;
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}
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private ServiceChannelFactory CreateServiceChannelFactory()
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{
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serviceChannelFactory = ServiceChannelFactory.BuildChannelFactory(serviceEndpoint) as ServiceChannelFactory;
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if (serviceChannelFactory == null)
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{
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throw Fx.AssertAndThrow("We should get a ServiceChannelFactory back");
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}
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FixupProxyBehavior();
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return serviceChannelFactory;
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}
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void FaultInserviceChannelFactory()
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{
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if (propertyTable == null)
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{
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throw Fx.AssertAndThrow("PropertyTable should not be null");
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}
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foreach (IEndpointBehavior behavior in behaviors)
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serviceEndpoint.Behaviors.Add(behavior);
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serviceChannelFactory = CreateServiceChannelFactory();
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}
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void FixupProxyBehavior()
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{
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ClientOperation operation = null;
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if (useXmlSerializer)
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XmlSerializerOperationBehavior.AddBehaviors(contractDescription);
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foreach (OperationDescription opDesc in contractDescription.Operations)
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{
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operation = serviceChannelFactory.ClientRuntime.Operations[opDesc.Name];
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operation.SerializeRequest = true;
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operation.DeserializeReply = true;
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if (useXmlSerializer)
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operation.Formatter = XmlSerializerOperationBehavior.CreateOperationFormatter(opDesc);
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else
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operation.Formatter = new DataContractSerializerOperationFormatter(opDesc, TypeLoader.DefaultDataContractFormatAttribute, null);
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}
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}
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private void ProcessWsdl()
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{
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string wsdlText;
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string portType;
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string bindingName;
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string address;
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string spnIdentity = null;
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string upnIdentity = null;
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string dnsIdentity = null;
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EndpointIdentity identity = null;
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string serializer = null;
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string contractNamespace = null;
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string bindingNamespace = null;
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.Wsdl, out wsdlText);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.Contract, out portType);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.Binding, out bindingName);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.Address, out address);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.SpnIdentity, out spnIdentity);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.UpnIdentity, out upnIdentity);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.DnsIdentity, out dnsIdentity);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.Serializer, out serializer);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.BindingNamespace, out bindingNamespace);
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propertyTable.TryGetValue(MonikerHelper.MonikerAttribute.ContractNamespace, out contractNamespace);
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if (string.IsNullOrEmpty(wsdlText))
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{
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throw Fx.AssertAndThrow("Wsdl should not be null at this point");
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}
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if (string.IsNullOrEmpty(portType) || string.IsNullOrEmpty(bindingName) || string.IsNullOrEmpty(address))
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.ContractBindingAddressCannotBeNull)));
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if (!string.IsNullOrEmpty(spnIdentity))
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{
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if ((!string.IsNullOrEmpty(upnIdentity)) || (!string.IsNullOrEmpty(dnsIdentity)))
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.MonikerIncorrectServerIdentity)));
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identity = EndpointIdentity.CreateSpnIdentity(spnIdentity);
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}
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else if (!string.IsNullOrEmpty(upnIdentity))
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{
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if ((!string.IsNullOrEmpty(spnIdentity)) || (!string.IsNullOrEmpty(dnsIdentity)))
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.MonikerIncorrectServerIdentity)));
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identity = EndpointIdentity.CreateUpnIdentity(upnIdentity);
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}
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else if (!string.IsNullOrEmpty(dnsIdentity))
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{
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if ((!string.IsNullOrEmpty(spnIdentity)) || (!string.IsNullOrEmpty(upnIdentity)))
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.MonikerIncorrectServerIdentity)));
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identity = EndpointIdentity.CreateDnsIdentity(dnsIdentity);
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}
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else
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identity = null;
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bool removeXmlSerializerImporter = false;
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if (!String.IsNullOrEmpty(serializer))
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{
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if ("xml" != serializer && "datacontract" != serializer)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.MonikerIncorectSerializer)));
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if ("xml" == serializer)
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useXmlSerializer = true;
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else
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removeXmlSerializerImporter = true; // specifying datacontract will explicitly remove the Xml importer
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// if this parameter is not set we will simply use indigo defaults
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}
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TextReader reader = new StringReader(wsdlText);
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try
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{
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try
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{
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WsdlNS.ServiceDescription wsdl = WsdlNS.ServiceDescription.Read(reader);
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if (String.IsNullOrEmpty(contractNamespace))
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contractNamespace = wsdl.TargetNamespace;
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if (String.IsNullOrEmpty(bindingNamespace))
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bindingNamespace = wsdl.TargetNamespace;
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WsdlNS.ServiceDescriptionCollection wsdlDocs = new WsdlNS.ServiceDescriptionCollection();
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wsdlDocs.Add(wsdl);
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XmlSchemaSet schemas = new XmlSchemaSet();
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foreach (XmlSchema schema in wsdl.Types.Schemas)
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schemas.Add(schema);
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MetadataSet mds = new MetadataSet(WsdlImporter.CreateMetadataDocuments(wsdlDocs, schemas, null));
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WsdlImporter importer;
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if (useXmlSerializer)
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importer = CreateXmlSerializerImporter(mds);
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else
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{
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if (removeXmlSerializerImporter)
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importer = CreateDataContractSerializerImporter(mds);
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else
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importer = new WsdlImporter(mds);
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}
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XmlQualifiedName contractQname = new XmlQualifiedName(portType, contractNamespace);
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XmlQualifiedName bindingQname = new XmlQualifiedName(bindingName, bindingNamespace);
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WsdlNS.PortType wsdlPortType = wsdlDocs.GetPortType(contractQname);
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contractDescription = importer.ImportContract(wsdlPortType);
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WsdlNS.Binding wsdlBinding = wsdlDocs.GetBinding(bindingQname);
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Binding binding = importer.ImportBinding(wsdlBinding);
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EndpointAddress endpointAddress = new EndpointAddress(new Uri(address), identity, (AddressHeaderCollection)null);
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serviceEndpoint = new ServiceEndpoint(contractDescription, binding, endpointAddress);
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ComPlusWsdlChannelBuilderTrace.Trace(TraceEventType.Verbose, TraceCode.ComIntegrationWsdlChannelBuilderLoaded,
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SR.TraceCodeComIntegrationWsdlChannelBuilderLoaded, bindingQname, contractQname, wsdl, contractDescription, binding, wsdl.Types.Schemas);
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}
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catch (Exception e)
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{
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if (Fx.IsFatal(e))
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throw;
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MonikerSyntaxException(SR.GetString(SR.FailedImportOfWsdl, e.Message)));
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}
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}
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finally
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{
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IDisposable disposee = reader;
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disposee.Dispose();
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}
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}
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public WsdlImporter CreateDataContractSerializerImporter(MetadataSet metaData)
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{
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Collection<IWsdlImportExtension> wsdlImportExtensions = ConfigNS.ClientSection.GetSection().Metadata.LoadWsdlImportExtensions();
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for (int i = 0; i < wsdlImportExtensions.Count; i++)
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{
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if (wsdlImportExtensions[i].GetType() == typeof(XmlSerializerMessageContractImporter))
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wsdlImportExtensions.RemoveAt(i);
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}
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WsdlImporter importer = new WsdlImporter(metaData, null, wsdlImportExtensions);
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return importer;
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}
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public WsdlImporter CreateXmlSerializerImporter(MetadataSet metaData)
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{
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Collection<IWsdlImportExtension> wsdlImportExtensions = ConfigNS.ClientSection.GetSection().Metadata.LoadWsdlImportExtensions();
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for (int i = 0; i < wsdlImportExtensions.Count; i++)
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{
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if (wsdlImportExtensions[i].GetType() == typeof(DataContractSerializerMessageContractImporter))
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wsdlImportExtensions.RemoveAt(i);
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}
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WsdlImporter importer = new WsdlImporter(metaData, null, wsdlImportExtensions);
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return importer;
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}
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ComProxy IProxyCreator.CreateProxy(IntPtr outer, ref Guid riid)
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{
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IntPtr inner = IntPtr.Zero;
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if (riid != InterfaceID.idIDispatch)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidCastException(SR.GetString(SR.NoInterface, riid)));
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if (contractDescription == null)
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{
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throw Fx.AssertAndThrow("ContractDescription should not be null at this point");
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}
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return DispatchProxy.Create(outer, contractDescription, this);
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}
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bool IProxyCreator.SupportsErrorInfo(ref Guid riid)
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{
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if (riid != InterfaceID.idIDispatch)
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return false;
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else
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return true;
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}
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bool IProxyCreator.SupportsDispatch()
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{
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return true;
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}
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bool IProxyCreator.SupportsIntrinsics()
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{
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return true;
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}
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}
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}
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