--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab.ServiceHost/Unity/ContainerConfigurationSchema.cs	Thu Apr 26 19:35:01 2018 +0300
@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using System.Xml;
+using System.Xml.Serialization;
+using Implab.Components;
+
+namespace Implab.ServiceHost.Unity {
+    public class ContainerConfigurationSchema {
+
+        public static ContainerConfigurationSchema Default { get; private set; } = CreateDefault();
+
+        readonly LazyAndWeak<XmlSerializer> m_seralizer;
+
+        readonly XmlAttributeOverrides m_overrides = new XmlAttributeOverrides();
+
+        readonly XmlAttributes m_containerItems = new XmlAttributes();
+
+        public XmlSerializer Serializer {
+            get {
+                return m_seralizer.Value;
+            }
+        }
+
+        public ContainerConfigurationSchema() {
+            m_overrides.Add(typeof(ContainerElement), nameof(ContainerElement.Items), m_containerItems);
+
+            m_seralizer = new LazyAndWeak<XmlSerializer>(() => new XmlSerializer(typeof(ContainerElement), m_overrides));
+        }
+
+        public void RegisterContainerElement(Type type, string name) {
+            Safe.ArgumentNotNull(type, nameof(type));
+            Safe.ArgumentNotEmpty(name, nameof(name));
+            
+            if(!type.IsSubclassOf(typeof(ContainerItemElement)))
+                throw new Exception($"RegisterContainerElement '{name}': {type} must be subclass of {typeof(ContainerItemElement)}");
+
+            m_containerItems.XmlElements.Add(
+                new XmlElementAttribute(name, type)
+            );
+        }
+
+        public void RegisterContainerElement<T>(string name) where T : ContainerItemElement {
+            RegisterContainerElement(typeof(T), name);
+        }
+
+        public ContainerElement LoadFile(string file) {
+            using (var reader = XmlReader.Create(file)) {
+                return (ContainerElement)Serializer.Deserialize(reader);
+            }
+        }
+
+        static ContainerConfigurationSchema CreateDefault() {
+            var schema = new ContainerConfigurationSchema();
+
+            schema.RegisterContainerElement<RegisterElement>("register");
+            schema.RegisterContainerElement<IncludeElement>("include");
+            schema.RegisterContainerElement<AssemblyElement>("assembly");
+            schema.RegisterContainerElement<NamespaceElement>("namespace");
+
+            return schema;
+        }
+
+
+    }
+}
\ No newline at end of file