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

   1 // \r
   2 // System.Web.Services.Discovery.DiscoveryReference.cs\r
   3 //\r
   4 // Author:\r
   5 //   Dave Bettin (javabettin@yahoo.com)\r
   6 //   Lluis Sanchez Gual (lluis@ximian.com)\r
   7 //\r
   8 // Copyright (C) Dave Bettin, 2002\r
   9 //\r
  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 \r
  32 using System.IO;\r
  33 using System.Xml.Serialization;\r
  34 \r
  35 namespace System.Web.Services.Discovery {\r
  36         public abstract class DiscoveryReference {\r
  37                 \r
  38                 #region Fields\r
  39 \r
  40                 private string defaultFilename;\r
  41                 private DiscoveryClientProtocol clientProtocol;\r
  42 \r
  43                 #endregion // Fields\r
  44 \r
  45                 #region Constructors\r
  46 \r
  47                 protected DiscoveryReference () \r
  48                 {\r
  49                 }\r
  50                 \r
  51                 #endregion // Constructors\r
  52 \r
  53                 #region Properties\r
  54 \r
  55                 [XmlIgnore]\r
  56                 public DiscoveryClientProtocol ClientProtocol {\r
  57                         get { return clientProtocol; }                  \r
  58                         set { clientProtocol = value; }\r
  59                         \r
  60                 }\r
  61                 \r
  62                 [XmlIgnore]\r
  63                 public virtual string DefaultFilename {\r
  64                         get { return FilenameFromUrl (Url); }                   \r
  65                 }\r
  66                 \r
  67                 [XmlIgnore]\r
  68                 public abstract string Url {\r
  69                         get;            \r
  70                         set;\r
  71                 }\r
  72                 \r
  73                 internal Uri BaseUri \r
  74                 {\r
  75                         get\r
  76                         {\r
  77                                 int i = Url.IndexOf ("://");\r
  78                                 if (i == -1 || !Uri.CheckSchemeName (Url.Substring (0,i)))\r
  79                                         return new Uri ("file://" + Url);\r
  80                                 else\r
  81                                         return new Uri (Url);\r
  82                         }\r
  83                 }\r
  84                 \r
  85                 #endregion // Properties\r
  86 \r
  87                 #region Methods\r
  88 \r
  89                 protected static string FilenameFromUrl (string url)\r
  90                 {\r
  91                         if (url.ToLower().EndsWith ("/wsdl"))\r
  92                                 url = url.Substring (0,url.Length-5);\r
  93                         else if (url.ToLower().EndsWith ("/soap"))\r
  94                                 url = url.Substring (0,url.Length-5);\r
  95                         else if (url.ToLower().EndsWith ("/wsdl.jsp"))\r
  96                                 url = url.Substring (0,url.Length-9);\r
  97                         else if (url.ToLower().EndsWith ("/soap.wsdl"))\r
  98                                 url = url.Substring (0,url.Length-10);\r
  99                         \r
 100                         int i = url.LastIndexOf ("/");\r
 101                         if (i != -1) url = url.Substring (i+1);\r
 102                         \r
 103                         i = url.IndexOfAny (new char[] {'.','?','\\'});\r
 104                         if (i != -1) url = url.Substring (0,i);\r
 105                         \r
 106                         System.Text.StringBuilder sb = new System.Text.StringBuilder ();\r
 107                         for (int n=0; n<url.Length; n++)\r
 108                                 if (Char.IsLetterOrDigit (url[n]) || url[n] == '_') sb.Append (url[n]);\r
 109                                 \r
 110                         return sb.ToString ();\r
 111                 }\r
 112                 \r
 113                 public abstract object ReadDocument (Stream stream);\r
 114                 \r
 115                 public void Resolve () \r
 116                 {\r
 117                         if (clientProtocol == null) \r
 118                                 throw new InvalidOperationException ("The ClientProtocol property is a null reference.");\r
 119                         \r
 120                         if (clientProtocol.Documents.Contains (Url))    // Already resolved\r
 121                                 return;\r
 122                         \r
 123                         try\r
 124                         {\r
 125                                 string contentType = null;\r
 126                                 string url = Url;\r
 127                                 Stream stream = clientProtocol.Download (ref url, ref contentType);\r
 128                                 Resolve (contentType, stream);\r
 129                         }\r
 130                         catch (Exception ex)\r
 131                         {\r
 132                                 ReportError (Url, ex);\r
 133                         }\r
 134                 }\r
 135                 \r
 136                 protected internal abstract void Resolve (string contentType, Stream stream);\r
 137                 \r
 138                 public abstract void WriteDocument (object document, Stream stream);\r
 139 \r
 140                 internal void ReportError (string url, Exception ex)\r
 141                 {\r
 142                         if (ex is DiscoveryException) throw ex;\r
 143                         else throw new DiscoveryException (url, ex);\r
 144                 }\r
 145                 \r
 146                 #endregion // Methods\r
 147         }\r
 148 }