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

   1 // \r
   2 // System.Web.Services.Protocols.XmlReturnReader.cs\r
   3 //\r
   4 // Author:\r
   5 //   Tim Coleman (tim@timcoleman.com)\r
   6 //\r
   7 // Copyright (C) Tim Coleman, 2002\r
   8 //\r
   9 \r
  10 using System.IO;\r
  11 using System.Net;\r
  12 using System.Xml.Serialization;\r
  13 using System.Web.Services;\r
  14 \r
  15 namespace System.Web.Services.Protocols {\r
  16         public class XmlReturnReader : MimeReturnReader {\r
  17 \r
  18                 XmlSerializer serializer;\r
  19                 \r
  20                 #region Constructors\r
  21 \r
  22                 public XmlReturnReader () \r
  23                 {\r
  24                 }\r
  25                 \r
  26                 #endregion // Constructors\r
  27 \r
  28                 #region Methods\r
  29 \r
  30                 public override object GetInitializer (LogicalMethodInfo methodInfo)\r
  31                 {\r
  32                         LogicalTypeInfo sti = TypeStubManager.GetLogicalTypeInfo (methodInfo.DeclaringType);\r
  33                         return new XmlSerializer (methodInfo.ReturnType, sti.WebServiceLiteralNamespace);\r
  34                 }\r
  35 \r
  36                 public override object[] GetInitializers (LogicalMethodInfo[] methodInfos)\r
  37                 {\r
  38                         XmlReflectionImporter importer = new XmlReflectionImporter ();\r
  39                         XmlMapping[] sers = new XmlMapping [methodInfos.Length];\r
  40                         for (int n=0; n<sers.Length; n++)\r
  41                         {\r
  42                                 LogicalMethodInfo metinfo = methodInfos[n];\r
  43                                 if (metinfo.IsVoid) \r
  44                                         sers[n] = null;\r
  45                                 else\r
  46                                 {\r
  47                                         LogicalTypeInfo sti = TypeStubManager.GetLogicalTypeInfo (metinfo.DeclaringType);\r
  48                                         sers[n] = importer.ImportTypeMapping (methodInfos[n].ReturnType, sti.WebServiceLiteralNamespace);\r
  49                                 }\r
  50                         }\r
  51                         return XmlSerializer.FromMappings (sers);\r
  52                 }\r
  53                 \r
  54                 public override void Initialize (object o)\r
  55                 {\r
  56                         serializer = (XmlSerializer)o;\r
  57                 }\r
  58 \r
  59                 public override object Read (WebResponse response, Stream responseStream)\r
  60                 {\r
  61                         object result = null;\r
  62                         if (serializer != null)\r
  63                         {\r
  64                                 if (response.ContentType.IndexOf ("text/xml") == -1)\r
  65                                         throw new InvalidOperationException ("Result was not XML");\r
  66                                 \r
  67                                 result = serializer.Deserialize (responseStream);\r
  68                         }\r
  69                         responseStream.Close ();\r
  70                         return result;\r
  71                 }\r
  72 \r
  73                 #endregion // Methods\r
  74         }\r
  75 }