Changeset 2606 for trunk/eraser/Eraser.DefaultPlugins/ErasureTargets/ErasureTargetBase.cs

Timestamp:

3/31/2012 12:44:10 AM (14 months ago)

Author:

lowjoel

Message:

Merged the XML Task Lists branch back to trunk. Implements #362: Use XML to store task lists

Location:

trunk/eraser

Files:

• . (modified) (1 prop)
• Eraser.DefaultPlugins/ErasureTargets/ErasureTargetBase.cs (modified) (3 diffs)

trunk/eraser/Eraser.DefaultPlugins/ErasureTargets/ErasureTargetBase.cs

@@ -25 +25 @@
 using System.Text;
 using System.Runtime.Serialization;
+using System.Xml;
+using System.Xml.Serialization;
 using System.Security.Permissions;
 
@@ -34 +36 @@
 namespace Eraser.DefaultPlugins
 {
-    abstract class ErasureTargetBase : IErasureTarget
+    public abstract class ErasureTargetBase : IErasureTarget
     {
         #region IErasureTarget Members
@@ -82 +84 @@
         {
             info.AddValue("Method", Method.Guid);
+        }
+
+        public System.Xml.Schema.XmlSchema GetSchema()
+        {
+            return null;
+        }
+
+        /// <summary>
+        /// Reads the XML for the current Erasure Target.
+        /// </summary>
+        /// <param name="reader">The XML Reader containing the element to deserialise.</param>
+        /// <param name="advance">Whether to advance the element pointer. Set to false if
+        /// a derived class will be doing further processing on the element.</param>
+        /// <remarks>When inheriting and overriding this method, call the base method with
+        /// <paramref name="advance"/> set to false.</remarks>
+        protected virtual void ReadXml(XmlReader reader, bool advance)
+        {
+            Guid methodGuid = Guid.Empty;
+            if (reader.HasAttributes)
+            {
+                string method = reader.GetAttribute("method");
+                if (method != null)
+                    methodGuid = new Guid(method);
+            }
+
+            if (methodGuid == Guid.Empty)
+                Method = ErasureMethodRegistrar.Default;
+            else
+                Method = Host.Instance.ErasureMethods[methodGuid];
+
+            if (advance)
+                reader.Read();
+        }
+
+        public void ReadXml(XmlReader reader)
+        {
+            ReadXml(reader, true);
+        }
+
+        public virtual void WriteXml(XmlWriter writer)
+        {
+            if (method != ErasureMethodRegistrar.Default)
+                writer.WriteAttributeString("method", method.Guid.ToString());
         }
         #endregion