Update of /cvsroot/adapdev/Adapdev/src/Adapdev.Data/Schema
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv30632/src/Adapdev.Data/Schema
Modified Files:
ColumnSchemaDictionary.cs
Log Message:
Changes made for schema xml serialization. Uses the interface IXmlSerializable to support the reading and wrting of the IDictionary type
Index: ColumnSchemaDictionary.cs
===================================================================
RCS file: /cvsroot/adapdev/Adapdev/src/Adapdev.Data/Schema/ColumnSchemaDictionary.cs,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** ColumnSchemaDictionary.cs 28 Feb 2005 01:31:47 -0000 1.1.1.1
--- ColumnSchemaDictionary.cs 6 Nov 2005 09:46:49 -0000 1.2
***************
*** 4,7 ****
--- 4,8 ----
using System.Collections;
using System.Text;
+ using System.Xml.Serialization;
/// <summary>
***************
*** 10,15 ****
///
[Serializable]
! public class ColumnSchemaDictionary : DictionaryBase
{
public ColumnSchema this[String key]
{
--- 11,19 ----
///
[Serializable]
! public class ColumnSchemaDictionary : DictionaryBase, IXmlSerializable
{
+ private const string nameSpace = "";
+ private const string columnDictionaryElement = "ColumnDictionary";
+
public ColumnSchema this[String key]
{
***************
*** 52,57 ****
--- 56,120 ----
return sb.ToString();
}
+ #region IXmlSerializable Members
+ /// <summary>
+ /// XmlWriter that is used to write the ColumnSchemaDictionary as it implements IDictory that is not serializable
+ /// using the normal methods. This uses the interface IXmlSerializable which isn't offically supported but still
+ /// exists in the next framework
+ /// </summary>
+ /// <param name="writer">System.Xml.XmlWriter</param>
+ public void WriteXml(System.Xml.XmlWriter writer)
+ {
+ XmlSerializer keySer = new XmlSerializer(typeof(String));
+ XmlSerializer valueSer = new XmlSerializer(typeof(ColumnSchema));
+
+ writer.WriteStartElement(columnDictionaryElement, nameSpace);
+ foreach(object key in Dictionary.Keys)
+ {
+ writer.WriteStartElement("key", nameSpace);
+ keySer.Serialize(writer,key);
+ writer.WriteEndElement();
+
+ writer.WriteStartElement("value", nameSpace);
+ object value = Dictionary[key];
+ valueSer.Serialize(writer, value);
+ writer.WriteEndElement();
+ }
+ writer.WriteEndElement();
+ }
+ public System.Xml.Schema.XmlSchema GetSchema()
+ {
+ return null;
+ }
+ /// <summary>
+ /// Custom XmlReader to read the ColumnSchemaDictionary
+ /// </summary>
+ /// <param name="reader">System.Xml.XmlReader</param>
+ public void ReadXml(System.Xml.XmlReader reader)
+ {
+ XmlSerializer keySer = new XmlSerializer(typeof(String));
+ XmlSerializer valueSer = new XmlSerializer(typeof(ColumnSchema));
+
+ reader.Read();
+ reader.ReadStartElement(columnDictionaryElement, nameSpace);
+
+ while(reader.NodeType != System.Xml.XmlNodeType.EndElement)
+ {
+
+ reader.ReadStartElement("key", nameSpace);
+ object key = keySer.Deserialize(reader);
+ reader.ReadEndElement();
+
+ reader.ReadStartElement("value", nameSpace);
+ object value = valueSer.Deserialize(reader);
+ reader.ReadEndElement();
+
+ Dictionary.Add(key, value);
+ reader.MoveToContent();
+ }
+ reader.ReadEndElement();
+ }
+ #endregion
}
}
\ No newline at end of file
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