using System;

using System.Collections.Generic;

using System.Text;

using System.Linq;

using System.Xml.Serialization;

using System.Xml;

using System.Xml.Linq;

using System.IO;

using System.Data;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;

using System.IO.Compression;

using System.Reflection;

​

using NUnit.Framework; //NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/62873128/xml-deserialization-error-in-xamarin-android-on-listint

​

namespace V1

{

    //https://stackoverflow.com/questions/62873128/xml-deserialization-error-in-xamarin-android-on-listint

​

    public class ConfigProperty

    {

        public string NameKey { get; set; }

        // Remainder of properties omitted for brevity

        [XmlAttribute]

        public List<int> DeviceIdentifierIndices { get; private set; }

​

        public ConfigProperty()

        {

            NameKey = string.Empty;

            DeviceIdentifierIndices = new List<int>();

        }

    }

}

​

namespace V2

{

    //https://stackoverflow.com/questions/62873128/xml-deserialization-error-in-xamarin-android-on-listint

​

    public class ConfigProperty

    {

        public string NameKey { get; set; }

        // Remainder of properties omitted for brevity

​

        [XmlAttribute("DeviceIdentifierIndices")]

        public int[] DeviceIdentifierIndicesArray

        {

            get { return DeviceIdentifierIndices.ToArray(); }

            set

            {

                DeviceIdentifierIndices.Clear();

                if (value != null)

                    DeviceIdentifierIndices.AddRange(value);

            }

        }

​

        [XmlIgnore]

        public List<int> DeviceIdentifierIndices { get; private set; }

​

        public ConfigProperty()

        {

            NameKey = string.Empty;

            DeviceIdentifierIndices = new List<int>();

        }

    }

}

​

namespace V3

{

    using System.Xml;

​

    //https://stackoverflow.com/questions/62873128/xml-deserialization-error-in-xamarin-android-on-listint

​

    public class ConfigProperty

    {

        public string NameKey { get; set; }

        // Remainder of properties omitted for brevity

​

        [XmlAttribute("DeviceIdentifierIndices")]

        public string XmlDeviceIdentifierIndices

        {

            get { return String.Join(" ", DeviceIdentifierIndices.Select(i => XmlConvert.ToString(i))); }

            set

            {

                var newList = (value ?? "").Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(s => XmlConvert.ToInt32(s)).ToList();

                DeviceIdentifierIndices.Clear();

                DeviceIdentifierIndices.AddRange(newList);

            }

        }

​

        [XmlIgnore]

        public List<int> DeviceIdentifierIndices { get; private set; }

​

        public ConfigProperty()

        {

            NameKey = string.Empty;

            DeviceIdentifierIndices = new List<int>();

        }

    }

}

​

    public class TestClass

    {

        public static void Test()

        {

            var config = new V1.ConfigProperty

            {

                NameKey = "lightningInterval",

                DeviceIdentifierIndices = { 18, 22 },

            };

            var xml = config.GetXml(omitStandardNamespaces : true);

            Console.WriteLine(xml);

            var config2 = xml.LoadFromXml<V2.ConfigProperty>();

            Assert.IsTrue(config.DeviceIdentifierIndices.SequenceEqual(config2.DeviceIdentifierIndices));

            Assert.AreEqual(config.NameKey, config2.NameKey);

            var config3 = xml.LoadFromXml<V3.ConfigProperty>();

            Assert.IsTrue(config.DeviceIdentifierIndices.SequenceEqual(config3.DeviceIdentifierIndices));

            Assert.AreEqual(config.NameKey, config3.NameKey);

            Assert.IsTrue(XNode.DeepEquals(XElement.Parse(xml), XElement.Parse(config2.GetXml(omitStandardNamespaces : true))));

            Assert.IsTrue(XNode.DeepEquals(XElement.Parse(xml), XElement.Parse(config3.GetXml(omitStandardNamespaces : true))));

        }

    }

​

    public static class XmlSerializationHelper

    {

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

        {

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

            using (var reader = new StringReader(xmlString))

            {

                return (T)serial.Deserialize(reader);

            }

        }

​

        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 static string GetOuterXml(this XmlNode node, bool indent = true)

        {

            if (node == null)

                return null;

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings

                {

                    Indent = indent,

                    OmitXmlDeclaration = true,

                };

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

                {

                    node.WriteTo(xmlWriter);

                }

                return textWriter.ToString();

            }

        }

    }

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.CodeBase.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​