[Adapdev-commits] Adapdev/src/Adapdev.Data/Schema TableSchemaDictionary.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-serv30966/src/Adapdev.Data/Schema

Modified Files:
	TableSchemaDictionary.cs 
Log Message:
Changes made for schema xml serialization. Uses the interface IXmlSerializable to support the reading and wrting of the IDictionary type

Index: TableSchemaDictionary.cs
===================================================================
RCS file: /cvsroot/adapdev/Adapdev/src/Adapdev.Data/Schema/TableSchemaDictionary.cs,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** TableSchemaDictionary.cs	28 Feb 2005 01:31:48 -0000	1.1.1.1
--- TableSchemaDictionary.cs	6 Nov 2005 09:48:24 -0000	1.2
***************
*** 4,11 ****
  	using System.Collections;
  	using System.Text;
  
  	[Serializable]
! 	public class TableSchemaDictionary : DictionaryBase
  	{
  		public TableSchema this[String key]
  		{
--- 4,16 ----
  	using System.Collections;
  	using System.Text;
+ 	using System.Xml.Serialization;
  
  	[Serializable]
! 	public class TableSchemaDictionary : DictionaryBase, IXmlSerializable
  	{
+ 
+ 		private const string nameSpace = "";
+ 		private const string tableDictionaryElement = "TableDictionary";
+ 
  		public TableSchema this[String key]
  		{
***************
*** 13,17 ****
  			set { Dictionary[key] = value; }
  		}
! 
  		public ICollection Keys
  		{
--- 18,22 ----
  			set { Dictionary[key] = value; }
  		}
! 		
  		public ICollection Keys
  		{
***************
*** 48,52 ****
--- 53,121 ----
  			return sb.ToString();
  		}
+ 		#region IXmlSerializable Members
  
+ 		/// <summary>
+ 		/// XmlWriter that is used to write the TableSchemaDictionary 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(TableSchema));
+ 
+ 			writer.WriteStartElement(tableDictionaryElement,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 TableSchemaDictionary 
+ 		/// </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(TableSchema));
+ 			
+ 			reader.Read();
+ 			reader.ReadStartElement(tableDictionaryElement,nameSpace);
+ 			
+ 			while(reader.Name != tableDictionaryElement && 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();
+ 				//navigate past the end element tags to the next table 
+ 				do{
+ 					reader.Skip();
+ 				}while(reader.NodeType == System.Xml.XmlNodeType.EndElement && reader.Name != tableDictionaryElement);
+ 			}
+ 			reader.ReadEndElement();
+ 		}
+ 		#endregion
  	}
  }
\ No newline at end of file