mcs/class/System.Security/System.Security.Cryptography.Xml/KeyInfoRetrievalMethod.cs

   1 //
   2 // KeyInfoRetrievalMethod.cs - KeyInfoRetrievalMethod implementation for XML Signature
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //      Tim Coleman (tim@timcoleman.com)
   7 //
   8 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
   9 // Copyright (C) Tim Coleman, 2004
  10 //
  11
  12 using System.Xml;
  13
  14 namespace System.Security.Cryptography.Xml {
  15
  16         public class KeyInfoRetrievalMethod : KeyInfoClause {
  17
  18                 private string URI;
  19
  20 #if NET_1_2
  21                 string type;
  22 #endif
  23
  24                 public KeyInfoRetrievalMethod () {}
  25
  26                 public KeyInfoRetrievalMethod (string strUri)
  27                 {
  28                         URI = strUri;
  29                 }
  30
  31 #if NET_1_2
  32                 public KeyInfoRetrievalMethod (string strUri, string strType)
  33                         : this (strUri)
  34                 {
  35                         Type = strType;
  36                 }
  37
  38                 public string Type {
  39                         get { return type; }
  40                         set { type = value; }
  41                 }
  42 #endif
  43
  44                 public string Uri {
  45                         get { return URI; }
  46                         set { URI = value; }
  47                 }
  48
  49
  50                 public override XmlElement GetXml ()
  51                 {
  52                         XmlDocument document = new XmlDocument ();
  53                         XmlElement xel = document.CreateElement (XmlSignature.ElementNames.RetrievalMethod, XmlSignature.NamespaceURI);
  54                         if (URI != null)
  55                                 xel.SetAttribute (XmlSignature.AttributeNames.URI, URI);
  56 #if NET_1_2
  57                         if (Type != null)
  58                                 xel.SetAttribute (XmlSignature.AttributeNames.Type, Type);
  59 #endif
  60                         return xel;
  61                 }
  62
  63                 public override void LoadXml (XmlElement value)
  64                 {
  65                         if (value == null)
  66                                 throw new ArgumentNullException ();
  67
  68                         if ((value.LocalName != XmlSignature.ElementNames.RetrievalMethod) || (value.NamespaceURI != XmlSignature.NamespaceURI)) {
  69                                 URI = ""; // not null - so we return URI="" as attribute !!!
  70                         } else {
  71                                 URI = value.Attributes [XmlSignature.AttributeNames.URI].Value;
  72 #if NET_1_2
  73                                 if (value.HasAttribute (XmlSignature.AttributeNames.Type))
  74                                         Type = value.Attributes [XmlSignature.AttributeNames.Type].Value;
  75 #endif
  76                         }
  77                 }
  78         }
  79 }