267 lines
8.1 KiB
C#
267 lines
8.1 KiB
C#
//
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// System.Web.Services.Protocols.SoapDocumentationHandler.cs
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//
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// Author:
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// Lluis Sanchez Gual (lluis@ximian.com)
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//
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// Copyright (C) Ximian, Inc. 2003
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Web;
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using System.IO;
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using System.Globalization;
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using System.Xml;
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using System.Text;
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using System.Xml.Serialization;
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using System.Xml.Schema;
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using System.Web.Compilation;
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using System.Web.Services.Description;
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using System.Web.Services.Discovery;
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using System.Web.Services.Configuration;
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using System.Configuration;
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using System.CodeDom;
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using System.CodeDom.Compiler;
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using Microsoft.CSharp;
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using System.Web.UI;
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namespace System.Web.Services.Protocols
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{
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internal class SoapDocumentationHandler: WebServiceHandler
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{
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SoapTypeStubInfo _typeStubInfo;
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ServiceDescriptionCollection _descriptions;
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XmlSchemas _schemas;
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string _url;
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IHttpHandler _pageHandler = null;
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public SoapDocumentationHandler (Type type, HttpContext context): base (type)
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{
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_url = context.Request.Url.ToString();
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int i = _url.IndexOf ('?');
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if (i != -1) _url = _url.Substring (0,i);
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_typeStubInfo = (SoapTypeStubInfo) TypeStubManager.GetTypeStub (ServiceType, "Soap");
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HttpRequest req = context.Request;
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string key = null;
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if (req.QueryString.Count == 1) {
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key = req.QueryString.GetKey (0);
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if (key == null)
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key = req.QueryString [0];
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if (key != null)
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key = key.ToLower (CultureInfo.InvariantCulture);
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}
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if (key == "wsdl" || key == "schema" || key == "code" || key == "disco")
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return;
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string help = WebServicesSection.Current.WsdlHelpGenerator.Href;
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string path = Path.GetDirectoryName (ConfigurationManager.OpenMachineConfiguration().FilePath);
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string appPath = AppDomain.CurrentDomain.GetData (".appPath").ToString ();
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string vpath;
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if (path.StartsWith (appPath)) {
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vpath = path.Substring (appPath.Length);
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vpath = vpath.Replace ("\\", "/");
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} else {
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vpath = "/";
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}
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if (vpath.EndsWith ("/"))
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vpath += help;
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else
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vpath += "/" + help;
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string physPath = Path.Combine (path, help);
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if (!File.Exists (physPath))
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throw new InvalidOperationException ("Documentation page '" + physPath + "' not found");
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_pageHandler = PageParser.GetCompiledPageInstance (vpath, physPath, context);
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}
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internal IHttpHandler PageHandler {
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get { return _pageHandler; }
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}
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public override bool IsReusable
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{
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get { return false; }
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}
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public override void ProcessRequest (HttpContext context)
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{
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if (_pageHandler != null)
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{
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context.Items["wsdls"] = GetDescriptions ();
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context.Items["schemas"] = GetSchemas ();
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_pageHandler.ProcessRequest (context);
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}
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else
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{
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HttpRequest req = context.Request;
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string key = req.QueryString.GetKey (0);
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if (key == null)
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key = req.QueryString [0];
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if (key != null)
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key = key.ToLower (CultureInfo.InvariantCulture);
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if (key == "wsdl") GenerateWsdlDocument (context, req.QueryString ["wsdl"]);
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else if (key == "schema") GenerateSchema (context, req.QueryString ["schema"]);
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else if (key == "code") GenerateCode (context, req.QueryString ["code"]);
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else if (key == "disco") GenerateDiscoDocument (context);
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else throw new Exception ("This should never happen");
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}
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}
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void GenerateWsdlDocument (HttpContext context, string wsdlId)
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{
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int di = 0;
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if (wsdlId != null && wsdlId != "") di = int.Parse (wsdlId);
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context.Response.ContentType = "text/xml; charset=utf-8";
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XmlTextWriter xtw = new XmlTextWriter (context.Response.OutputStream, new UTF8Encoding (false));
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xtw.Formatting = Formatting.Indented;
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GetDescriptions() [di].Write (xtw);
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}
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void GenerateDiscoDocument (HttpContext context)
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{
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ServiceDescriptionCollection descs = GetDescriptions ();
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DiscoveryDocument doc = new DiscoveryDocument ();
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ContractReference cref = new ContractReference ();
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cref.Ref = _url + "?wsdl";
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cref.DocRef = _url;
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doc.References.Add (cref);
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foreach (ServiceDescription desc in descs)
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foreach (Service ser in desc.Services)
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foreach (Port port in ser.Ports)
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{
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SoapAddressBinding sab = port.Extensions.Find (typeof(SoapAddressBinding)) as SoapAddressBinding;
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if (sab != null)
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{
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System.Web.Services.Discovery.SoapBinding dsb = new System.Web.Services.Discovery.SoapBinding ();
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dsb.Address = sab.Location;
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dsb.Binding = port.Binding;
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doc.AdditionalInfo.Add (dsb);
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}
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}
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context.Response.ContentType = "text/xml; charset=utf-8";
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XmlTextWriter xtw = new XmlTextWriter (context.Response.OutputStream, new UTF8Encoding (false));
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xtw.Formatting = Formatting.Indented;
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doc.Write (xtw);
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}
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void GenerateSchema (HttpContext context, string schemaId)
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{
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int di = -1;
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if (schemaId != null && schemaId != "") {
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try {
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di = int.Parse (schemaId);
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} catch {
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XmlSchemas xss = GetSchemas ();
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for (int i = 0; i < xss.Count; i++) {
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if (xss [i].Id == schemaId) {
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di = i;
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break;
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}
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}
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}
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if (di < 0)
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throw new InvalidOperationException (String.Format ("HTTP parameter 'schema' needs to specify an Id of a schema in the schemas. {0} points to nowhere.", schemaId));
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}
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context.Response.ContentType = "text/xml; charset=utf-8";
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XmlTextWriter xtw = new XmlTextWriter (context.Response.OutputStream, new UTF8Encoding (false));
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xtw.Formatting = Formatting.Indented;
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GetSchemas() [di].Write (xtw);
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}
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void GenerateCode (HttpContext context, string langId)
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{
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context.Response.ContentType = "text/plain; charset=utf-8";
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CodeNamespace codeNamespace = new CodeNamespace();
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CodeCompileUnit codeUnit = new CodeCompileUnit();
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codeUnit.Namespaces.Add (codeNamespace);
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ServiceDescriptionImporter importer = new ServiceDescriptionImporter();
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foreach (ServiceDescription sd in GetDescriptions ())
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importer.AddServiceDescription(sd, null, null);
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foreach (XmlSchema sc in GetSchemas())
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importer.Schemas.Add (sc);
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importer.Import(codeNamespace, codeUnit);
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if (langId == null || langId == "") langId = "cs";
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CodeDomProvider provider = GetProvider (langId);
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ICodeGenerator generator = provider.CreateGenerator();
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CodeGeneratorOptions options = new CodeGeneratorOptions();
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generator.GenerateCodeFromCompileUnit(codeUnit, context.Response.Output, options);
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}
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private CodeDomProvider GetProvider(string langId)
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{
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// FIXME these should be loaded dynamically using reflection
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CodeDomProvider provider;
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switch (langId.ToUpper())
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{
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case "CS":
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provider = new CSharpCodeProvider();
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break;
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default:
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throw new Exception("Unknown language: " + langId);
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}
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return provider;
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}
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internal ServiceDescriptionCollection GetDescriptions ()
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{
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if (_descriptions == null)
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{
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ServiceDescriptionReflector reflector = new ServiceDescriptionReflector ();
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reflector.Reflect (ServiceType,_url);
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_schemas = reflector.Schemas;
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_descriptions = reflector.ServiceDescriptions;
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}
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return _descriptions;
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}
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internal XmlSchemas GetSchemas()
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{
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GetDescriptions();
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return _schemas;
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}
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}
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}
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