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/57509260/how-can-you-serialize-a-c-sharp-object-to-a-soapmessage-with-overriden-soapattri

​

    public class BaseClass{}

    public class DerivedClass:BaseClass{}

    public class AnotherDerivedClass:BaseClass{}

​

    //[SoapInclude(typeof(DerivedClass)), SoapInclude(typeof(AnotherDerivedClass))]

    public class RequestClass

    {

        public BaseClass item{get;set;}

    }

​

    public class TestClass

    {

        public static XmlSerializer RequestClassSerializer { get; } 

            = CreateSoapSerializerWithBaseClassIncludedTypes(typeof(RequestClass), typeof(DerivedClass), typeof(AnotherDerivedClass));

        static XmlSerializer CreateSoapSerializerWithBaseClassIncludedTypes(Type rootType, params Type [] includedTypes)

        {

            var importer = new SoapReflectionImporter();

            foreach (var type in includedTypes)

                importer.IncludeType(type);

            return new XmlSerializer(importer.ImportTypeMapping(rootType));

        }

        public static void Test()

        {

            var requestObject = new RequestClass(){item = new DerivedClass()};

​

            var xml = requestObject.GetSoapXml("wrapper", RequestClassSerializer);

            Console.WriteLine(xml);

            var bodyXml = requestObject.GetSoapBodyXml(RequestClassSerializer);

            Console.WriteLine("\nBody XML fragments:");

            Console.WriteLine(bodyXml);

        }

    }

​

    public static partial class XmlSerializationHelper

    {

        public static string GetSoapXml<T>(this T obj, XName wrapperName, XmlSerializer serializer = null)

        {

            using (var textWriter = new StringWriter())

            {

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

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

                {

                    xmlWriter.WriteStartElement(wrapperName.LocalName, wrapperName.NamespaceName);

                    (serializer ?? GetDefaultSoapSerializer(obj.GetType())).Serialize(xmlWriter, obj);

                    xmlWriter.WriteEndElement();

                }

                return textWriter.ToString();

            }

        }

​

        static readonly Dictionary<Type, XmlSerializer> cache = new Dictionary<Type, XmlSerializer>();

        public static XmlSerializer GetDefaultSoapSerializer(Type type)

        {

            lock(cache)

            {

                if (cache.TryGetValue(type, out var serializer))

                    return serializer;

                return cache[type] = new XmlSerializer(new SoapReflectionImporter().ImportTypeMapping(type));

            }

        }

    }

​

    public static partial class XmlSerializationHelper

    {

        public static string GetSoapBodyXml<T>(this T obj, XmlSerializer serializer = null)

        {

            using (var textWriter = new StringWriter())

            {

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

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

                {

                    xmlWriter.WriteWhitespace(""); // Hack to prevent an error about WriteStartDocument getting called for ConformanceLevel.Fragment

                    (serializer ?? GetDefaultSoapSerializer(obj.GetType())).Serialize(xmlWriter, obj);

                }

                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;

        }

    }

​