331 lines
14 KiB
C#
331 lines
14 KiB
C#
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// <copyright>
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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namespace System.ServiceModel.Description
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{
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Runtime;
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using System.Text;
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using System.Xml;
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using System.Xml.Schema;
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using System.Xml.Serialization;
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using WsdlNS = System.Web.Services.Description;
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internal static class WsdlHelper
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{
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public static WsdlNS.ServiceDescription GetSingleWsdl(MetadataSet metadataSet)
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{
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if (metadataSet.MetadataSections.Count < 1)
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{
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return null;
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}
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List<WsdlNS.ServiceDescription> wsdls = new List<WsdlNS.ServiceDescription>();
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List<XmlSchema> xsds = new List<XmlSchema>();
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foreach (MetadataSection section in metadataSet.MetadataSections)
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{
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if (section.Metadata is WsdlNS.ServiceDescription)
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{
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wsdls.Add((WsdlNS.ServiceDescription)section.Metadata);
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}
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if (section.Metadata is XmlSchema)
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{
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xsds.Add((XmlSchema)section.Metadata);
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}
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}
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VerifyContractNamespace(wsdls);
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WsdlNS.ServiceDescription singleWsdl = GetSingleWsdl(CopyServiceDescriptionCollection(wsdls));
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// Inline XML schemas
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foreach (XmlSchema schema in xsds)
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{
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XmlSchema newSchema = CloneXsd(schema);
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RemoveSchemaLocations(newSchema);
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singleWsdl.Types.Schemas.Add(newSchema);
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}
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return singleWsdl;
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}
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private static void RemoveSchemaLocations(XmlSchema schema)
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{
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foreach (XmlSchemaObject schemaObject in schema.Includes)
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{
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XmlSchemaExternal external = schemaObject as XmlSchemaExternal;
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if (external != null)
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{
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external.SchemaLocation = null;
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}
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}
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}
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private static WsdlNS.ServiceDescription GetSingleWsdl(List<WsdlNS.ServiceDescription> wsdls)
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{
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// Use WSDL that has the contracts as the base for single WSDL
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WsdlNS.ServiceDescription singleWsdl = wsdls.First(wsdl => wsdl.PortTypes.Count > 0);
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if (singleWsdl == null)
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{
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singleWsdl = new WsdlNS.ServiceDescription();
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}
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else
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{
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singleWsdl.Types.Schemas.Clear();
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singleWsdl.Imports.Clear();
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}
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Dictionary<XmlQualifiedName, XmlQualifiedName> bindingReferenceChanges = new Dictionary<XmlQualifiedName, XmlQualifiedName>();
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foreach (WsdlNS.ServiceDescription wsdl in wsdls)
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{
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if (wsdl != singleWsdl)
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{
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MergeWsdl(singleWsdl, wsdl, bindingReferenceChanges);
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}
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}
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EnsureSingleNamespace(singleWsdl, bindingReferenceChanges);
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return singleWsdl;
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}
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private static List<WsdlNS.ServiceDescription> CopyServiceDescriptionCollection(List<WsdlNS.ServiceDescription> wsdls)
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{
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List<WsdlNS.ServiceDescription> newWsdls = new List<WsdlNS.ServiceDescription>();
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foreach (WsdlNS.ServiceDescription wsdl in wsdls)
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{
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newWsdls.Add(CloneWsdl(wsdl));
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}
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return newWsdls;
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}
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private static void MergeWsdl(WsdlNS.ServiceDescription singleWsdl, WsdlNS.ServiceDescription wsdl, Dictionary<XmlQualifiedName, XmlQualifiedName> bindingReferenceChanges)
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{
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if (wsdl.Services.Count > 0)
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{
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singleWsdl.Name = wsdl.Name;
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}
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foreach (WsdlNS.Binding binding in wsdl.Bindings)
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{
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string uniqueBindingName = NamingHelper.GetUniqueName(binding.Name, WsdlHelper.IsBindingNameUsed, singleWsdl.Bindings);
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if (binding.Name != uniqueBindingName)
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{
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bindingReferenceChanges.Add(
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new XmlQualifiedName(binding.Name, binding.ServiceDescription.TargetNamespace),
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new XmlQualifiedName(uniqueBindingName, singleWsdl.TargetNamespace));
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UpdatePolicyKeys(binding, uniqueBindingName, wsdl);
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binding.Name = uniqueBindingName;
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}
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singleWsdl.Bindings.Add(binding);
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}
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foreach (object extension in wsdl.Extensions)
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{
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singleWsdl.Extensions.Add(extension);
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}
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foreach (WsdlNS.Message message in wsdl.Messages)
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{
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singleWsdl.Messages.Add(message);
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}
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foreach (WsdlNS.Service service in wsdl.Services)
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{
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singleWsdl.Services.Add(service);
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}
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foreach (string warning in wsdl.ValidationWarnings)
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{
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singleWsdl.ValidationWarnings.Add(warning);
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}
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}
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private static void UpdatePolicyKeys(WsdlNS.Binding binding, string newBindingName, WsdlNS.ServiceDescription wsdl)
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{
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string oldBindingName = binding.Name;
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// policy
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IEnumerable<XmlElement> bindingPolicies = FindAllElements(wsdl.Extensions, MetadataStrings.WSPolicy.Elements.Policy);
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string policyIdStringPrefixFormat = "{0}_";
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foreach (XmlElement policyElement in bindingPolicies)
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{
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XmlNode policyId = policyElement.Attributes.GetNamedItem(MetadataStrings.Wsu.Attributes.Id, MetadataStrings.Wsu.NamespaceUri);
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string policyIdString = policyId.Value;
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string policyIdStringWithOldBindingName = string.Format(CultureInfo.InvariantCulture, policyIdStringPrefixFormat, oldBindingName);
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string policyIdStringWithNewBindingName = string.Format(CultureInfo.InvariantCulture, policyIdStringPrefixFormat, newBindingName);
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if (policyId != null && policyIdString != null && policyIdString.StartsWith(policyIdStringWithOldBindingName, StringComparison.Ordinal))
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{
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policyId.Value = policyIdStringWithNewBindingName + policyIdString.Substring(policyIdStringWithOldBindingName.Length);
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}
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}
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// policy reference
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UpdatePolicyReference(binding.Extensions, oldBindingName, newBindingName);
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foreach (WsdlNS.OperationBinding operationBinding in binding.Operations)
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{
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UpdatePolicyReference(operationBinding.Extensions, oldBindingName, newBindingName);
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if (operationBinding.Input != null)
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{
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UpdatePolicyReference(operationBinding.Input.Extensions, oldBindingName, newBindingName);
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}
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if (operationBinding.Output != null)
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{
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UpdatePolicyReference(operationBinding.Output.Extensions, oldBindingName, newBindingName);
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}
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foreach (WsdlNS.FaultBinding fault in operationBinding.Faults)
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{
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UpdatePolicyReference(fault.Extensions, oldBindingName, newBindingName);
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}
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}
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}
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private static void UpdatePolicyReference(WsdlNS.ServiceDescriptionFormatExtensionCollection extensions, string oldBindingName, string newBindingName)
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{
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IEnumerable<XmlElement> bindingPolicyReferences = FindAllElements(extensions, MetadataStrings.WSPolicy.Elements.PolicyReference);
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string policyReferencePrefixFormat = "#{0}_";
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foreach (XmlElement policyReferenceElement in bindingPolicyReferences)
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{
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XmlNode policyReference = policyReferenceElement.Attributes.GetNamedItem(MetadataStrings.WSPolicy.Attributes.URI);
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string policyReferenceValue = policyReference.Value;
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string policyReferenceValueWithOldBindingName = string.Format(CultureInfo.InvariantCulture, policyReferencePrefixFormat, oldBindingName);
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string policyReferenceValueWithNewBindingName = string.Format(CultureInfo.InvariantCulture, policyReferencePrefixFormat, newBindingName);
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if (policyReference != null && policyReferenceValue != null && policyReferenceValue.StartsWith(policyReferenceValueWithOldBindingName, StringComparison.Ordinal))
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{
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policyReference.Value = policyReferenceValueWithNewBindingName + policyReference.Value.Substring(policyReferenceValueWithOldBindingName.Length);
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}
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}
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}
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private static IEnumerable<XmlElement> FindAllElements(WsdlNS.ServiceDescriptionFormatExtensionCollection extensions, string elementName)
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{
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List<XmlElement> policyReferences = new List<XmlElement>();
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for (int i = 0; i < extensions.Count; i++)
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{
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XmlElement element = extensions[i] as XmlElement;
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if (element != null && element.LocalName == elementName)
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{
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policyReferences.Add(element);
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}
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}
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return policyReferences;
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}
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private static void VerifyContractNamespace(List<WsdlNS.ServiceDescription> wsdls)
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{
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IEnumerable<WsdlNS.ServiceDescription> contractWsdls = wsdls.Where(serviceDescription => serviceDescription.PortTypes.Count > 0);
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if (contractWsdls.Count() > 1)
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{
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IEnumerable<string> namespaces = contractWsdls.Select<WsdlNS.ServiceDescription, string>(wsdl => wsdl.TargetNamespace);
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string contractNamespaces = string.Join(", ", namespaces);
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.SingleWsdlNotGenerated, contractNamespaces)));
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}
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}
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private static void EnsureSingleNamespace(WsdlNS.ServiceDescription wsdl, Dictionary<XmlQualifiedName, XmlQualifiedName> bindingReferenceChanges)
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{
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string targetNamespace = wsdl.TargetNamespace;
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foreach (WsdlNS.Binding binding in wsdl.Bindings)
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{
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if (binding.Type.Namespace != targetNamespace)
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{
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binding.Type = new XmlQualifiedName(binding.Type.Name, targetNamespace);
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}
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}
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foreach (WsdlNS.PortType portType in wsdl.PortTypes)
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{
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foreach (WsdlNS.Operation operation in portType.Operations)
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{
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WsdlNS.OperationInput messageInput = operation.Messages.Input;
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if (messageInput != null && messageInput.Message.Namespace != targetNamespace)
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{
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messageInput.Message = new XmlQualifiedName(messageInput.Message.Name, targetNamespace);
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}
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WsdlNS.OperationOutput messageOutput = operation.Messages.Output;
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if (messageOutput != null && messageOutput.Message.Namespace != targetNamespace)
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{
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messageOutput.Message = new XmlQualifiedName(messageOutput.Message.Name, targetNamespace);
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}
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foreach (WsdlNS.OperationFault fault in operation.Faults)
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{
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if (fault.Message.Namespace != targetNamespace)
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{
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fault.Message = new XmlQualifiedName(fault.Message.Name, targetNamespace);
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}
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}
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}
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}
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foreach (WsdlNS.Service service in wsdl.Services)
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{
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foreach (WsdlNS.Port port in service.Ports)
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{
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XmlQualifiedName newPortBinding;
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if (bindingReferenceChanges.TryGetValue(port.Binding, out newPortBinding))
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{
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port.Binding = newPortBinding;
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}
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else if (port.Binding.Namespace != targetNamespace)
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{
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port.Binding = new XmlQualifiedName(port.Binding.Name, targetNamespace);
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}
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}
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}
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}
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private static bool IsBindingNameUsed(string name, object collection)
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{
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WsdlNS.BindingCollection bindings = (WsdlNS.BindingCollection)collection;
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foreach (WsdlNS.Binding binding in bindings)
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{
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if (binding.Name == name)
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{
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return true;
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}
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}
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return false;
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}
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private static WsdlNS.ServiceDescription CloneWsdl(WsdlNS.ServiceDescription originalWsdl)
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{
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Fx.Assert(originalWsdl != null, "originalWsdl must not be null");
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WsdlNS.ServiceDescription newWsdl;
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using (MemoryStream memoryStream = new MemoryStream())
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{
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originalWsdl.Write(memoryStream);
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memoryStream.Seek(0, SeekOrigin.Begin);
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newWsdl = WsdlNS.ServiceDescription.Read(memoryStream);
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}
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return newWsdl;
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}
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private static XmlSchema CloneXsd(XmlSchema originalXsd)
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{
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Fx.Assert(originalXsd != null, "originalXsd must not be null");
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XmlSchema newXsd;
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using (MemoryStream memoryStream = new MemoryStream())
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{
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originalXsd.Write(memoryStream);
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memoryStream.Seek(0, SeekOrigin.Begin);
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newXsd = XmlSchema.Read(memoryStream, null);
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}
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return newXsd;
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}
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}
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}
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