using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

using System.Xml;

using System.IO;

using System.Diagnostics;

using System.Collections.ObjectModel;

using System.Threading;

using System.ComponentModel;

using System.Xml.Linq;

using System.Reflection;

using System.Data;

using System.Xml.Schema;

using System.Text.RegularExpressions;

using System.Net;

using System.Xml.XPath;

using System.Globalization;

using System.ComponentModel.DataAnnotations;

using System.Collections;

using System.Runtime.InteropServices;

using System.Runtime.Serialization;

​

// https://stackoverflow.com/questions/46653819/deserialize-xml-into-a-class-with-different-hierarchy

​

    public static class XmlModelSerializer<TRoot>

    {

        static XmlSerializer alternateSerializerInstance;

        static XmlSerializer currentSerializerInstance;

​

        public static XmlSerializer AlternateSerializerInstance { get { return alternateSerializerInstance; } }

​

        public static XmlSerializer CurrentSerializerInstance { get { return currentSerializerInstance; } }

​

        static XmlModelSerializer()

        {

            XmlAttributes alternateAttributes = new XmlAttributes

            {

                XmlElements = { new XmlElementAttribute("bar") },

            };

            XmlAttributeOverrides alternateOverrides = new XmlAttributeOverrides();

            alternateOverrides.Add(typeof(XmlModel), "Foo", alternateAttributes);

            alternateSerializerInstance = new XmlSerializer(typeof(TRoot), alternateOverrides);

​

            XmlAttributes currentAttributes = new XmlAttributes

            {

                XmlArray = new XmlArrayAttribute("foo"),

                XmlArrayItems = { new XmlArrayItemAttribute("bar") },

            };

            XmlAttributeOverrides currentOverrides = new XmlAttributeOverrides();

            currentOverrides.Add(typeof(XmlModel), "Foo", currentAttributes);

            currentSerializerInstance = new XmlSerializer(typeof(TRoot), currentOverrides);

        }

    }

​

    [XmlRoot("root")]

    public class XmlModel

    {

        [XmlArray("foo")]

        [XmlArrayItem("bar")]

        public List<string> Foo { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            Test(XmlModelSerializer<XmlModel>.CurrentSerializerInstance, GetXmlModelXml());

            Test(XmlModelSerializer<XmlModel>.AlternateSerializerInstance, GetAlternateXml());

​

            Console.WriteLine("\nDone.");

        }

​

        public static void Test(XmlSerializer serializer, string xml)

        {

            Console.WriteLine("\nDeserializing XML: ");

            Console.WriteLine(xml);

​

            var model = xml.LoadFromXml<XmlModel>(serializer);

​

            var xml2 = model.GetXml(true);

​

            Console.WriteLine("Re-serialized {0}", model);

            Console.WriteLine(xml2);

​

            Assert.IsTrue(XDocument.Parse(xml).XPathSelectElements("//bar").Select(e => (string)e).SequenceEqual(model.Foo));

        }

​

        static string GetXmlModelXml()

        {

            string xml = @"<?xml version=""1.0"" encoding=""utf-16""?>

            <root>

                <foo>

                    <bar>1</bar>

                    <bar>2</bar>

                </foo>

            </root>";

​

            return xml;

        }

​

        static string GetAlternateXml()

        {

            string xml = @"<?xml version=""1.0"" encoding=""utf-16""?>

<root>

    <bar>1</bar>

    <bar>2</bar>

</root>"; 

            return xml;

        }

    }

​

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

​

    public static class XmlSerializationHelper

    {

        public static T LoadFromXml<T>(this string xmlString, XmlSerializer serial = null)

        {

            serial = serial ?? new XmlSerializer(typeof(T));

            T returnValue = default(T);

            using (StringReader reader = new StringReader(xmlString))

            {

                object result = serial.Deserialize(reader);

                if (result is T)

                {

                    returnValue = (T)result;

                }

            }

            return returnValue;

        }

​

        public static string GetXml<T>(this T obj, bool omitStandardNamespaces)

        {

            return obj.GetXml(null, omitStandardNamespaces);

        }

        public static string GetXml<T>(this T obj, XmlSerializer serializer = null, bool omitStandardNamespaces = false)

        {

            XmlSerializerNamespaces ns = null;

            if (omitStandardNamespaces)

            {

                ns = new XmlSerializerNamespaces();

                ns.Add("", ""); // Disable the xmlns:xsi and xmlns:xsd lines.

            }           

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings() { Indent = true }; // For cosmetic purposes.

                using (var xmlWriter = XmlWriter.Create(textWriter, settings))

                    (serializer ?? new XmlSerializer(obj.GetType())).Serialize(xmlWriter, obj, ns);

                return textWriter.ToString();

            }

        }

    }

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: " + Environment.Version);

            Console.WriteLine();

​

            TestClass.Test();

        }

    }

​