mcs/class/System.Web.Services/System.Web.Services.Protocols/XmlReturnReader.cs

   1 //
   2 // System.Web.Services.Protocols.XmlReturnReader.cs
   3 //
   4 // Author:
   5 //   Tim Coleman (tim@timcoleman.com)
   6 //
   7 // Copyright (C) Tim Coleman, 2002
   8 //
   9
  10 //
  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:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  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.
  29 //
  30
  31 using System.IO;
  32 using System.Net;
  33 using System.Xml.Serialization;
  34 using System.Web.Services;
  35
  36 namespace System.Web.Services.Protocols {
  37         public class XmlReturnReader : MimeReturnReader {
  38
  39                 XmlSerializer serializer;
  40
  41                 #region Constructors
  42
  43                 public XmlReturnReader ()
  44                 {
  45                 }
  46
  47                 #endregion // Constructors
  48
  49                 #region Methods
  50
  51                 public override object GetInitializer (LogicalMethodInfo methodInfo)
  52                 {
  53                         LogicalTypeInfo sti = TypeStubManager.GetLogicalTypeInfo (methodInfo.DeclaringType);
  54                         object[] ats = methodInfo.ReturnTypeCustomAttributeProvider.GetCustomAttributes (typeof(XmlRootAttribute), true);
  55                         XmlRootAttribute root = ats.Length > 0 ? ats[0] as XmlRootAttribute : null;
  56                         return new XmlSerializer (methodInfo.ReturnType, null, null, root, sti.GetWebServiceLiteralNamespace (sti.WebServiceNamespace));
  57                 }
  58
  59                 public override object[] GetInitializers (LogicalMethodInfo[] methodInfos)
  60                 {
  61                         XmlReflectionImporter importer = new XmlReflectionImporter ();
  62                         XmlMapping[] sers = new XmlMapping [methodInfos.Length];
  63                         for (int n=0; n<sers.Length; n++)
  64                         {
  65                                 LogicalMethodInfo metinfo = methodInfos[n];
  66                                 if (metinfo.IsVoid)
  67                                         sers[n] = null;
  68                                 else
  69                                 {
  70                                         LogicalTypeInfo sti = TypeStubManager.GetLogicalTypeInfo (metinfo.DeclaringType);
  71                                         object[] ats = methodInfos[n].ReturnTypeCustomAttributeProvider.GetCustomAttributes (typeof(XmlRootAttribute), true);
  72                                         XmlRootAttribute root = ats.Length > 0 ? ats[0] as XmlRootAttribute : null;
  73                                         sers[n] = importer.ImportTypeMapping (methodInfos[n].ReturnType, root, sti.GetWebServiceLiteralNamespace (sti.WebServiceNamespace));
  74                                 }
  75                         }
  76                         return XmlSerializer.FromMappings (sers);
  77                 }
  78
  79                 public override void Initialize (object o)
  80                 {
  81                         serializer = (XmlSerializer)o;
  82                 }
  83
  84                 public override object Read (WebResponse response, Stream responseStream)
  85                 {
  86                         object result = null;
  87                         if (serializer != null)
  88                         {
  89                                 if (response.ContentType.IndexOf ("text/xml") == -1)
  90                                         throw new InvalidOperationException ("Result was not XML");
  91
  92                                 result = serializer.Deserialize (responseStream);
  93                         }
  94                         responseStream.Close ();
  95                         return result;
  96                 }
  97
  98                 #endregion // Methods
  99         }
 100 }