Initial import

SalesCatalog/XmlImplementation/XmlCatalog.cs

@@ -0,0 +1,15 @@
+using System;
+using SalesCatalog.Model;
+using System.Xml.Serialization;
+
+namespace SalesCatalog.XmlImplementation
+{
+	[XmlRoot]
+	public class XmlCatalog : Catalog
+	{
+		public XmlCatalog ()
+		{
+		}
+	}
+}
+

SalesCatalog/XmlImplementation/XmlCatalogProvider.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Xml.Serialization;
+using SalesCatalog.Model;
+using System.Configuration;
+using System.IO;
+using System.Xml;
+
+namespace SalesCatalog.XmlImplementation
+{
+	public class XmlCatalogProvider: CatalogProvider
+	{
+		#region implemented abstract members of SalesCatalog.CatalogProvider
+
+		public override Catalog GetCatalog ()
+		{
+			// Assert fileName != null
+			FileInfo fi = new FileInfo (fileName);
+			if (fi.LastWriteTime > lastModification) 
+				LoadCatalog ();
+			return catInstance;
+		}
+
+		protected XmlCatalog catInstance = null;
+		protected DateTime lastModification;
+		protected string fileName = null;
+		#endregion
+
+		public override void Initialize (string name, System.Collections.Specialized.NameValueCollection config)
+		{
+			fileName = config ["connection"];
+			LoadCatalog ();
+		}
+		private void LoadCatalog ()
+		{
+			FileInfo fi = new FileInfo (fileName);
+			if (!fi.Exists)
+				throw new Exception (
+					string.Format ("Le fichier Xml decrivant le catalogue n'existe pas ({0})", fi.FullName));
+			XmlSerializer xsr = new XmlSerializer (typeof(XmlCatalog),new Type[]{
+				typeof(Service),
+				typeof(PhysicalProduct),
+				typeof(Euro),
+				typeof(Text),
+				typeof(TextInput),
+				typeof(SelectInput)});
+
+			using (FileStream fs = fi.OpenRead()) {
+				catInstance = (XmlCatalog) xsr.Deserialize (fs);
+			}
+			fileName = fi.FullName;	
+			lastModification = fi.LastWriteTime;
+		}
+	}
+}
+