2 // System.Data.SqlTypes.SqlXml
5 // Umadevi S (sumadevi@novell.com)
6 // Veerapuram Varadhan (vvaradhan@novell.com>)
8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Xml.Schema;
34 using System.Globalization;
35 using System.Threading;
36 using System.Xml.Serialization;
41 namespace System.Data.SqlTypes
43 [SerializableAttribute]
44 [XmlSchemaProvider ("GetXsdType")]
45 public sealed class SqlXml : INullable, IXmlSerializable
56 public SqlXml (Stream value)
62 int len = (int) value.Length;
65 xmlValue = String.Empty;
68 StringBuilder sb = new StringBuilder (len);
71 // Now read value into a byte buffer.
76 bytes = new byte [bufSize];
79 // Read may return anything from 0 to bufSize.
80 int n = value.Read(bytes, 0, bufSize);
81 sb.Append (Encoding.Unicode.GetString (bytes, 0, n));
83 // The end of the file is reached.
88 xmlValue = sb.ToString ();
94 public SqlXml (XmlReader value)
101 value.MoveToContent ();
102 xmlValue = value.ReadOuterXml();
104 xmlValue = String.Empty;
110 get { return !notNull; }
113 public static SqlXml Null {
115 return new SqlXml ();
119 public string Value {
123 throw new SqlNullValueException ();
127 public static XmlQualifiedName GetXsdType (XmlSchemaSet schemaSet)
129 XmlQualifiedName qualifiedName = new XmlQualifiedName ("anyType", "http://www.w3.org/2001/XMLSchema");
130 return qualifiedName;
133 public XmlReader CreateReader ()
136 XmlReaderSettings xs = new XmlReaderSettings ();
137 xs.ConformanceLevel = ConformanceLevel.Fragment;
138 return XmlTextReader.Create (new StringReader (xmlValue), xs);
140 throw new SqlNullValueException ();
144 XmlSchema IXmlSerializable.GetSchema ()
146 throw new NotImplementedException ();
150 void IXmlSerializable.ReadXml (XmlReader r)
152 throw new NotImplementedException ();
156 void IXmlSerializable.WriteXml (XmlWriter writer)
158 throw new NotImplementedException ();