2 // System.Web.Services.Protocols.SoapDocumentationHandler.cs
5 // Lluis Sanchez Gual (lluis@ximian.com)
7 // Copyright (C) Ximian, Inc. 2003
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Globalization;
37 using System.Xml.Serialization;
38 using System.Xml.Schema;
39 using System.Web.Compilation;
40 using System.Web.Services.Description;
41 using System.Web.Services.Discovery;
42 using System.Web.Services.Configuration;
43 using System.Configuration;
45 using System.CodeDom.Compiler;
46 using Microsoft.CSharp;
49 namespace System.Web.Services.Protocols
51 internal class SoapDocumentationHandler: WebServiceHandler
53 SoapTypeStubInfo _typeStubInfo;
54 ServiceDescriptionCollection _descriptions;
57 IHttpHandler _pageHandler = null;
59 public SoapDocumentationHandler (Type type, HttpContext context): base (type)
61 _url = context.Request.Url.ToString();
62 int i = _url.IndexOf ('?');
63 if (i != -1) _url = _url.Substring (0,i);
64 _typeStubInfo = (SoapTypeStubInfo) TypeStubManager.GetTypeStub (ServiceType, "Soap");
66 HttpRequest req = context.Request;
68 if (req.QueryString.Count == 1) {
69 key = req.QueryString.GetKey (0);
71 key = req.QueryString [0];
74 key = key.ToLower (CultureInfo.InvariantCulture);
77 if (key == "wsdl" || key == "schema" || key == "code" || key == "disco")
80 string help = WebServicesSection.Current.WsdlHelpGenerator.Href;
81 string path = Path.GetDirectoryName (ConfigurationManager.OpenMachineConfiguration().FilePath);
82 string appPath = AppDomain.CurrentDomain.GetData (".appPath").ToString ();
84 if (path.StartsWith (appPath)) {
85 vpath = path.Substring (appPath.Length);
86 vpath = vpath.Replace ("\\", "/");
91 if (vpath.EndsWith ("/"))
96 string physPath = Path.Combine (path, help);
98 if (!File.Exists (physPath))
99 throw new InvalidOperationException ("Documentation page '" + physPath + "' not found");
101 _pageHandler = PageParser.GetCompiledPageInstance (vpath, physPath, context);
104 internal IHttpHandler PageHandler {
105 get { return _pageHandler; }
108 public override bool IsReusable
110 get { return false; }
113 public override void ProcessRequest (HttpContext context)
115 if (_pageHandler != null)
117 context.Items["wsdls"] = GetDescriptions ();
118 context.Items["schemas"] = GetSchemas ();
119 _pageHandler.ProcessRequest (context);
123 HttpRequest req = context.Request;
124 string key = req.QueryString.GetKey (0);
126 key = req.QueryString [0];
129 key = key.ToLower (CultureInfo.InvariantCulture);
131 if (key == "wsdl") GenerateWsdlDocument (context, req.QueryString ["wsdl"]);
132 else if (key == "schema") GenerateSchema (context, req.QueryString ["schema"]);
133 else if (key == "code") GenerateCode (context, req.QueryString ["code"]);
134 else if (key == "disco") GenerateDiscoDocument (context);
135 else throw new Exception ("This should never happen");
139 void GenerateWsdlDocument (HttpContext context, string wsdlId)
142 if (wsdlId != null && wsdlId != "") di = int.Parse (wsdlId);
144 context.Response.ContentType = "text/xml; charset=utf-8";
145 XmlTextWriter xtw = new XmlTextWriter (context.Response.OutputStream, new UTF8Encoding (false));
146 xtw.Formatting = Formatting.Indented;
147 GetDescriptions() [di].Write (xtw);
150 void GenerateDiscoDocument (HttpContext context)
152 ServiceDescriptionCollection descs = GetDescriptions ();
154 DiscoveryDocument doc = new DiscoveryDocument ();
155 ContractReference cref = new ContractReference ();
156 cref.Ref = _url + "?wsdl";
158 doc.References.Add (cref);
160 foreach (ServiceDescription desc in descs)
161 foreach (Service ser in desc.Services)
162 foreach (Port port in ser.Ports)
164 SoapAddressBinding sab = port.Extensions.Find (typeof(SoapAddressBinding)) as SoapAddressBinding;
167 System.Web.Services.Discovery.SoapBinding dsb = new System.Web.Services.Discovery.SoapBinding ();
168 dsb.Address = sab.Location;
169 dsb.Binding = port.Binding;
170 doc.AdditionalInfo.Add (dsb);
174 context.Response.ContentType = "text/xml; charset=utf-8";
175 XmlTextWriter xtw = new XmlTextWriter (context.Response.OutputStream, new UTF8Encoding (false));
176 xtw.Formatting = Formatting.Indented;
180 void GenerateSchema (HttpContext context, string schemaId)
183 if (schemaId != null && schemaId != "") {
185 di = int.Parse (schemaId);
187 XmlSchemas xss = GetSchemas ();
188 for (int i = 0; i < xss.Count; i++) {
189 if (xss [i].Id == schemaId) {
196 throw new InvalidOperationException (String.Format ("HTTP parameter 'schema' needs to specify an Id of a schema in the schemas. {0} points to nowhere.", schemaId));
198 context.Response.ContentType = "text/xml; charset=utf-8";
199 XmlTextWriter xtw = new XmlTextWriter (context.Response.OutputStream, new UTF8Encoding (false));
200 xtw.Formatting = Formatting.Indented;
201 GetSchemas() [di].Write (xtw);
204 void GenerateCode (HttpContext context, string langId)
206 context.Response.ContentType = "text/plain; charset=utf-8";
207 CodeNamespace codeNamespace = new CodeNamespace();
208 CodeCompileUnit codeUnit = new CodeCompileUnit();
210 codeUnit.Namespaces.Add (codeNamespace);
212 ServiceDescriptionImporter importer = new ServiceDescriptionImporter();
214 foreach (ServiceDescription sd in GetDescriptions ())
215 importer.AddServiceDescription(sd, null, null);
217 foreach (XmlSchema sc in GetSchemas())
218 importer.Schemas.Add (sc);
220 importer.Import(codeNamespace, codeUnit);
222 if (langId == null || langId == "") langId = "cs";
223 CodeDomProvider provider = GetProvider (langId);
224 ICodeGenerator generator = provider.CreateGenerator();
225 CodeGeneratorOptions options = new CodeGeneratorOptions();
227 generator.GenerateCodeFromCompileUnit(codeUnit, context.Response.Output, options);
230 private CodeDomProvider GetProvider(string langId)
232 // FIXME these should be loaded dynamically using reflection
233 CodeDomProvider provider;
235 switch (langId.ToUpper())
238 provider = new CSharpCodeProvider();
242 throw new Exception("Unknown language: " + langId);
248 internal ServiceDescriptionCollection GetDescriptions ()
250 if (_descriptions == null)
252 ServiceDescriptionReflector reflector = new ServiceDescriptionReflector ();
253 reflector.Reflect (ServiceType,_url);
254 _schemas = reflector.Schemas;
255 _descriptions = reflector.ServiceDescriptions;
257 return _descriptions;
260 internal XmlSchemas GetSchemas()