[System.Data.Common] Add IDbColumnSchemaGenerator
[mono.git] / 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  <sebastien@ximian.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 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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
32 using System.Runtime.InteropServices;
33 using System.Xml;
34
35 namespace System.Security.Cryptography.Xml {
36
37         public class KeyInfoRetrievalMethod : KeyInfoClause {
38
39                 private string URI;
40                 private XmlElement element;
41                 private string type;
42
43                 public KeyInfoRetrievalMethod ()
44                 {
45                 }
46
47                 public KeyInfoRetrievalMethod (string strUri) 
48                 {
49                         URI = strUri;
50                 }
51
52                 public KeyInfoRetrievalMethod (string strUri, string typeName)
53                         : this (strUri)
54                 {
55                         Type = typeName;
56                 }
57
58                 [ComVisible (false)]
59                 public string Type {
60                         get { return type; }
61                         set {
62                                 element = null;
63                                 type = value;
64                         }
65                 }
66
67                 public string Uri {
68                         get { return URI; }
69                         set {
70                                 element = null;
71                                 URI = value;
72                         }
73                 }
74
75
76                 public override XmlElement GetXml () 
77                 {
78                         if (element != null)
79                                 return element;
80
81                         XmlDocument document = new XmlDocument ();
82                         XmlElement xel = document.CreateElement (XmlSignature.ElementNames.RetrievalMethod, XmlSignature.NamespaceURI);
83                         if ((URI != null) && (URI.Length > 0))
84                                 xel.SetAttribute (XmlSignature.AttributeNames.URI, URI);
85                         if (Type != null)
86                                 xel.SetAttribute (XmlSignature.AttributeNames.Type, Type);
87                         return xel;
88                 }
89
90                 public override void LoadXml (XmlElement value) 
91                 {
92                         if (value == null)
93                                 throw new ArgumentNullException ();
94
95                         if ((value.LocalName != XmlSignature.ElementNames.RetrievalMethod) || (value.NamespaceURI != XmlSignature.NamespaceURI)) {
96                                 URI = ""; // not null - so we return URI="" as attribute !!!
97                         } else {
98                                 URI = value.Attributes [XmlSignature.AttributeNames.URI].Value;
99                                 if (value.HasAttribute (XmlSignature.AttributeNames.Type))
100                                         Type = value.Attributes [XmlSignature.AttributeNames.Type].Value;
101                                 element = value;
102                         }
103                 }
104         }
105 }