mcs/class/System.Web.Services/System.Web.Services.Discovery/DiscoveryRequestHandler.cs

   1 //
   2 // System.Web.Services.Discovery.DiscoveryRequestHandler.cs
   3 //
   4 // Author:
   5 //   Dave Bettin (javabettin@yahoo.com)
   6 //   Lluis Sanchez Gual (lluis@ximian.com)
   7 //
   8 // Copyright (C) Dave Bettin, 2002
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Web;
  33 using System.IO;
  34 using System.Web.Services.Discovery;
  35
  36 namespace System.Web.Services.Discovery {
  37         public sealed class DiscoveryRequestHandler : IHttpHandler {
  38
  39                 #region Constructors
  40
  41                 public DiscoveryRequestHandler ()
  42                 {
  43                 }
  44
  45                 #endregion // Constructors
  46
  47                 #region Properties
  48
  49                 public bool IsReusable {
  50                         get { return true; }
  51                 }
  52
  53                 #endregion // Properties
  54
  55                 #region Methods
  56
  57                 public void ProcessRequest (HttpContext context)
  58                 {
  59                         string path = context.Request.PhysicalPath;
  60                         FileStream fs = new FileStream (path, FileMode.Open);
  61                         DynamicDiscoveryDocument ddoc = DynamicDiscoveryDocument.Load (fs);
  62                         fs.Close ();
  63
  64                         string url = context.Request.Url.ToString();
  65                         int i = url.LastIndexOf ('/');
  66                         if (i != -1) url = url.Substring (0,i+1);
  67
  68                         DiscoveryDocument doc = new DiscoveryDocument ();
  69                         GetFiles (url, "", Path.GetDirectoryName(path), doc, ddoc);
  70
  71                         context.Response.ContentType = "text/xml; charset=utf-8";
  72                         doc.Write (context.Response.OutputStream);
  73                 }
  74
  75                 void GetFiles (string baseUrl, string relPath, string path, DiscoveryDocument doc, DynamicDiscoveryDocument ddoc)
  76                 {
  77                         string url = baseUrl + relPath;
  78                         if (!url.EndsWith ("/")) url += "/";
  79
  80                         string[] files = Directory.GetFiles (path);
  81                         foreach (string file in files)
  82                         {
  83                                 string ext = Path.GetExtension (file).ToLower();
  84                                 if (ext == ".asmx")
  85                                 {
  86                                         ContractReference cref = new ContractReference ();
  87                                         cref.DocRef = url + Path.GetFileName (file);
  88                                         cref.Ref = cref.DocRef + "?wsdl";
  89                                         doc.References.Add (cref);
  90                                 }
  91                                 else if (ext == ".disco")
  92                                 {
  93                                         DiscoveryDocumentReference dref = new DiscoveryDocumentReference ();
  94                                         dref.Ref = url + Path.GetFileName (file);
  95                                         doc.References.Add (dref);
  96                                 }
  97                         }
  98                         string[] dirs = Directory.GetDirectories (path);
  99
 100                         foreach (string dir in dirs)
 101                         {
 102                                 string rel = Path.Combine (relPath, Path.GetFileName(dir));
 103                                 if (!ddoc.IsExcluded (rel))
 104                                         GetFiles (baseUrl, rel, Path.Combine (path, dir), doc, ddoc);
 105                         }
 106                 }
 107
 108                 #endregion // Methods
 109         }
 110 }