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278 lines
12 KiB
C#
278 lines
12 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ContractReference.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Services.Discovery {
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using System;
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using System.Net;
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using System.Xml.Serialization;
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using System.Web.Services.Description;
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using System.IO;
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using System.Xml;
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using System.Xml.Schema;
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using System.Web.Services.Protocols;
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using System.Text;
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using System.Collections;
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using System.Threading;
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using System.Diagnostics;
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using System.Web.Services.Diagnostics;
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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[XmlRoot("contractRef", Namespace = ContractReference.Namespace)]
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public class ContractReference : DiscoveryReference {
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/// <include file='doc\contractreference.uex' path='docs/doc[@for="contractreference.namespace"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public const string Namespace = "http://schemas.xmlsoap.org/disco/scl/";
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private string docRef;
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private string reference;
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.ContractReference"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public ContractReference() {
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.ContractReference1"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public ContractReference(string href) {
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Ref = href;
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.ContractReference2"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public ContractReference(string href, string docRef) {
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Ref = href;
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DocRef = docRef;
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.Ref"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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[XmlAttribute("ref")]
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public string Ref {
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get {
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return reference;
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}
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set {
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reference = value;
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}
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.DocRef"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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[XmlAttribute("docRef")]
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public string DocRef {
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get {
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return docRef;
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}
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set {
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docRef = value;
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}
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.Url"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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[XmlIgnore]
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public override string Url {
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get {
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return Ref;
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}
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set {
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Ref = value;
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}
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}
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internal override void LoadExternals(Hashtable loadedExternals) {
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ServiceDescription contract = null;
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try {
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contract = Contract;
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}
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catch (Exception e) {
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if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException) {
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throw;
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}
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// don't let the exception out - keep going. Just add it to the list of errors.
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ClientProtocol.Errors[Url] = e;
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if (Tracing.On) Tracing.ExceptionCatch(TraceEventType.Warning, this, "LoadExternals", e);
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}
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if (contract != null) {
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foreach (XmlSchema schema in Contract.Types.Schemas) {
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SchemaReference.LoadExternals(schema, Url, ClientProtocol, loadedExternals);
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}
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}
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.Contract"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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[XmlIgnore]
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public ServiceDescription Contract {
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get {
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if (ClientProtocol == null)
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throw new InvalidOperationException(Res.GetString(Res.WebMissingClientProtocol));
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object document = ClientProtocol.Documents[Url];
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if (document == null) {
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Resolve();
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document = ClientProtocol.Documents[Url];
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}
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ServiceDescription contract = document as ServiceDescription;
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if (contract == null) {
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throw new InvalidOperationException(Res.GetString(Res.WebInvalidDocType,
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typeof(ServiceDescription).FullName,
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document == null ? string.Empty : document.GetType().FullName,
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Url));
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}
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return contract;
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}
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.DefaultFilename"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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[XmlIgnore]
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public override string DefaultFilename {
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get {
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string fileName = MakeValidFilename(Contract.Name);
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if (fileName == null || fileName.Length == 0)
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fileName = FilenameFromUrl(Url);
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return Path.ChangeExtension(fileName, ".wsdl");
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}
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.WriteDocument"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public override void WriteDocument(object document, Stream stream) {
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((ServiceDescription) document).Write(new StreamWriter(stream, new UTF8Encoding(false)));
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.ReadDocument"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public override object ReadDocument(Stream stream) {
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return ServiceDescription.Read(stream, true);
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}
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/// <include file='doc\ContractReference.uex' path='docs/doc[@for="ContractReference.Resolve"]/*' />
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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protected internal override void Resolve(string contentType, Stream stream) {
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if (ContentType.IsHtml(contentType))
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throw new InvalidContentTypeException(Res.GetString(Res.WebInvalidContentType, contentType), contentType);
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ServiceDescription serviceDescription = ClientProtocol.Documents[Url] as ServiceDescription;
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if ( serviceDescription == null ) {
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serviceDescription = ServiceDescription.Read(stream, true);
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serviceDescription.RetrievalUrl = Url;
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ClientProtocol.Documents[Url] = serviceDescription;
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}
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ClientProtocol.References[Url] = this;
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ArrayList importUrls = new ArrayList();
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foreach (Import import in serviceDescription.Imports)
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if (import.Location != null)
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importUrls.Add(import.Location);
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foreach (XmlSchema schema in serviceDescription.Types.Schemas) {
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foreach (XmlSchemaExternal external in schema.Includes) {
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if (external.SchemaLocation != null && external.SchemaLocation.Length > 0) {
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importUrls.Add(external.SchemaLocation);
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}
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}
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}
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foreach (string urlFromImport in importUrls) {
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// make the (possibly) relative Uri in the contract fully qualified with respect to the contract URL
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string importUrl = UriToString(Url, urlFromImport);
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if ( ClientProtocol.Documents[importUrl] != null ) {
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continue;
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}
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string oldUrl = importUrl;
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try {
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stream = ClientProtocol.Download(ref importUrl, ref contentType);
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try {
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//Proceed only if not been here before
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if ( ClientProtocol.Documents[importUrl] == null ) {
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XmlTextReader reader = new XmlTextReader(new StreamReader(stream, RequestResponseUtils.GetEncoding(contentType)));
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reader.WhitespaceHandling = WhitespaceHandling.Significant;
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reader.XmlResolver = null;
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reader.DtdProcessing = DtdProcessing.Prohibit;
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//Resolve on WSDL and XSD will go recursivelly
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if (ServiceDescription.CanRead(reader)) {
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ServiceDescription doc = ServiceDescription.Read(reader, true);
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doc.RetrievalUrl = importUrl;
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ClientProtocol.Documents[importUrl] = doc;
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ContractReference contractReference = new ContractReference(importUrl, null);
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contractReference.ClientProtocol = ClientProtocol;
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try {
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contractReference.Resolve(contentType, stream);
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}
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catch (Exception e) {
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if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException) {
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throw;
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}
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contractReference.Url = oldUrl;
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if (Tracing.On) Tracing.ExceptionCatch(TraceEventType.Warning, this, "Resolve", e);
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}
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}
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else if (reader.IsStartElement("schema", XmlSchema.Namespace)) {
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ClientProtocol.Documents[importUrl] = XmlSchema.Read(reader, null);
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SchemaReference schemaReference = new SchemaReference(importUrl);
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schemaReference.ClientProtocol = ClientProtocol;
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try {
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schemaReference.Resolve(contentType, stream);
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}
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catch (Exception e) {
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if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException) {
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throw;
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}
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schemaReference.Url = oldUrl;
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if (Tracing.On) Tracing.ExceptionCatch(TraceEventType.Warning, this, "Resolve", e);
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}
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}
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// If it's not XML, or we don't know what kind of XML it is, skip the file. The user
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// will have to download the dependent file(s) manually, but at least we will continue
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// to discover files instead of throwing an exception.
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}
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}
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finally {
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stream.Close();
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}
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}
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catch (Exception e) {
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if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException) {
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throw;
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}
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throw new InvalidDocumentContentsException(Res.GetString(Res.TheWSDLDocumentContainsLinksThatCouldNotBeResolved, importUrl), e);
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}
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}
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}
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}
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}
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