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DataPRO/IService/.svn/pristine/02/02c02185e33c5b4231b534e97175fbcea278fe68.svn-base

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml.Serialization;
+
+namespace DTS.DASLib.Service
+{
+    /// <summary>
+    /// This is a simple serializable dictionary
+    /// I'm using it for storing user attributes on slicepro/1.5 right now, but it's probably suitable for any dictionary
+    /// that needs to be serialized
+    /// </summary>
+    /// <typeparam name="TKey"></typeparam>
+    /// <typeparam name="TValue"></typeparam>
+    [XmlRoot("SerializedDictionary")]
+    public class SerializableDictionary<TKey, TValue>
+        : Dictionary<TKey, TValue>, IXmlSerializable
+    {
+        #region IXmlSerializable Members
+        public System.Xml.Schema.XmlSchema GetSchema()
+        {
+            return null;
+        }
+
+        public void ReadXml(System.Xml.XmlReader reader)
+        {
+            XmlSerializer keySerializer = new XmlSerializer(typeof(TKey));
+            XmlSerializer valueSerializer = new XmlSerializer(typeof(TValue));
+
+            bool wasEmpty = reader.IsEmptyElement;
+            if (wasEmpty)
+                return;
+
+            reader.Read();//document
+            reader.ReadStartElement();//serializeddictionary
+
+            while (reader.NodeType != System.Xml.XmlNodeType.EndElement && reader.NodeType != System.Xml.XmlNodeType.None)
+            {
+                reader.ReadStartElement("Item");
+
+                reader.ReadStartElement("Key");
+                TKey key = (TKey)keySerializer.Deserialize(reader);
+                reader.ReadEndElement();
+
+                reader.ReadStartElement("Value");
+                TValue value = (TValue)valueSerializer.Deserialize(reader);
+                reader.ReadEndElement();
+
+                this.Add(key, value);
+
+                reader.ReadEndElement();               
+                reader.MoveToContent();
+            }
+            if (reader.NodeType != System.Xml.XmlNodeType.None)
+            {
+                reader.ReadEndElement();
+            }
+        }
+
+        public void WriteXml(System.Xml.XmlWriter writer)
+        {
+            writer.WriteStartDocument();
+            XmlSerializer keySerializer = new XmlSerializer(typeof(TKey));
+            XmlSerializer valueSerializer = new XmlSerializer(typeof(TValue));
+            writer.WriteStartElement("SerializedDictionary");
+            foreach (TKey key in this.Keys)
+            {
+                writer.WriteStartElement("Item");
+
+                    writer.WriteStartElement("Key");
+                    keySerializer.Serialize(writer, key);
+                    writer.WriteEndElement();//key
+
+                    writer.WriteStartElement("Value");
+                    TValue value = this[key];
+                    valueSerializer.Serialize(writer, value);
+                    writer.WriteEndElement();//value
+
+                writer.WriteEndElement();//item
+                writer.Flush();
+            }
+            writer.WriteEndElement();//SerializedDictionary
+            writer.WriteEndDocument();
+        }
+        #endregion
+    }
+}