[Adapdev-commits] Adapdev/src/Adapdev.Data/Schema ColumnSchemaDictionary.cs,1.1.1.1,1.2

[jhbate <jh...@us...>]

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