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

   1 // \r
   2 // System.Web.Services.Discovery.ContractReference.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.Web.Services.Description;\r
  34 using System.Xml.Serialization;\r
  35 using System.Xml;\r
  36 using System.Xml.Schema;\r
  37 \r
  38 namespace System.Web.Services.Discovery {\r
  39 \r
  40         [XmlRootAttribute("contractRef", Namespace="http://schemas.xmlsoap.org/disco/scl/", IsNullable=true)]\r
  41         public class ContractReference : DiscoveryReference {\r
  42 \r
  43                 #region Fields\r
  44                 \r
  45                 public const string Namespace = "http://schemas.xmlsoap.org/disco/scl/";\r
  46 \r
  47                 private ServiceDescription contract;\r
  48                 private string defaultFilename;\r
  49                 private string docRef;\r
  50                 private string href;\r
  51                 \r
  52                 #endregion // Fields\r
  53                 \r
  54                 #region Constructors\r
  55 \r
  56                 public ContractReference () \r
  57                 {\r
  58                 }\r
  59                 \r
  60                 public ContractReference (string href) : this() \r
  61                 {\r
  62                         this.href = href;\r
  63                 }\r
  64                 \r
  65                 public ContractReference (string href, string docRef)\r
  66                 {\r
  67                         this.href = href;\r
  68                         this.docRef = docRef;\r
  69                 }\r
  70                 \r
  71                 #endregion // Constructors\r
  72 \r
  73                 #region Properties\r
  74 \r
  75                 [XmlIgnore]\r
  76                 public ServiceDescription Contract {\r
  77                         get {\r
  78                                 if (ClientProtocol == null) \r
  79                                         throw new InvalidOperationException ("The ClientProtocol property is a null reference");\r
  80                                 \r
  81                                 ServiceDescription desc = ClientProtocol.Documents [Url] as ServiceDescription;\r
  82                                 if (desc == null)\r
  83                                         throw new Exception ("The Documents property of ClientProtocol does not contain a WSDL document with the url " + Url);\r
  84                                         \r
  85                                 return desc; \r
  86                         }\r
  87                 }\r
  88 \r
  89                 [XmlIgnore]\r
  90                 public override string DefaultFilename {\r
  91                         get { return FilenameFromUrl (Url) + ".wsdl"; }\r
  92                 }\r
  93                 \r
  94                 [XmlAttribute("docRef")]\r
  95                 public string DocRef {\r
  96                         get { return docRef; }\r
  97                         set { docRef = value; }\r
  98                 }\r
  99                 \r
 100                 [XmlAttribute("ref")]\r
 101                 public string Ref {\r
 102                         get { return href; }\r
 103                         set { href = value; }\r
 104                 }\r
 105                 \r
 106                 [XmlIgnore]\r
 107                 public override string Url {\r
 108                         get { return href;}                     \r
 109                         set { href = value; }\r
 110                 }\r
 111                 \r
 112                 #endregion // Properties\r
 113 \r
 114                 #region Methods\r
 115 \r
 116                 public override object ReadDocument (Stream stream)\r
 117                 {\r
 118                         return ServiceDescription.Read (stream);\r
 119                 }\r
 120                 \r
 121                 protected internal override void Resolve (string contentType, Stream stream) \r
 122                 {\r
 123                         ServiceDescription wsdl = ServiceDescription.Read (stream);\r
 124                         \r
 125                         if (!ClientProtocol.References.Contains (Url))\r
 126                                 ClientProtocol.References.Add (this);\r
 127 \r
 128                         ClientProtocol.Documents.Add (Url, wsdl);\r
 129                         ResolveInternal (ClientProtocol, wsdl);\r
 130                 }\r
 131                 \r
 132                 internal void ResolveInternal (DiscoveryClientProtocol prot, ServiceDescription wsdl) \r
 133                 {\r
 134                         if (wsdl.Imports == null) return;\r
 135                         \r
 136                         foreach (Import import in wsdl.Imports)\r
 137                         {\r
 138                                 // Make relative uris to absoulte\r
 139 \r
 140                                 Uri uri = new Uri (BaseUri, import.Location);\r
 141                                 string url = uri.ToString ();\r
 142 \r
 143                                 if (prot.Documents.Contains (url))      // Already resolved\r
 144                                         continue;\r
 145 \r
 146                                 try\r
 147                                 {\r
 148                                         string contentType = null;\r
 149                                         Stream stream = prot.Download (ref url, ref contentType);\r
 150                                         XmlTextReader reader = new XmlTextReader (url, stream);\r
 151                                         reader.MoveToContent ();\r
 152                                         \r
 153                                         DiscoveryReference refe;\r
 154                                         if (ServiceDescription.CanRead (reader))\r
 155                                         {\r
 156                                                 ServiceDescription refWsdl = ServiceDescription.Read (reader);\r
 157                                                 refe = new ContractReference ();\r
 158                                                 refe.ClientProtocol = prot;\r
 159                                                 refe.Url = url;\r
 160                                                 ((ContractReference)refe).ResolveInternal (prot, refWsdl);\r
 161                                                 prot.Documents.Add (url, refWsdl);\r
 162                                         }\r
 163                                         else\r
 164                                         {\r
 165                                                 XmlSchema schema = XmlSchema.Read (reader, null);\r
 166                                                 refe = new SchemaReference ();\r
 167                                                 refe.ClientProtocol = prot;\r
 168                                                 refe.Url = url;\r
 169                                                 prot.Documents.Add (url, schema);\r
 170                                         }\r
 171                                         \r
 172                                         if (!prot.References.Contains (url))\r
 173                                                 prot.References.Add (refe);\r
 174                                                 \r
 175                                         reader.Close ();\r
 176                                 }\r
 177                                 catch (Exception ex)\r
 178                                 {\r
 179                                         ReportError (url, ex);\r
 180                                 }\r
 181                         }\r
 182                 }\r
 183                 \r
 184         public override void WriteDocument (object document, Stream stream) \r
 185                 {\r
 186                         ((ServiceDescription)document).Write (stream);\r
 187                 }\r
 188 \r
 189                 #endregion // Methods\r
 190         }\r
 191 }