Convert XML String to Object

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I am receiving XML strings over a socket, and would like to convert these to C# objects.

The messages are of the form:

<msg>
   <id>1</id>
   <action>stop</action>
</msg>

I am new to .Net, and am not sure the best practice for performing this. I've used JAXB for Java before, and wasn't sure if there is something similar, or if this would be handled a different way.

You need to use the xsd.exe tool which gets installed with the Windows SDK into a directory something similar to:

C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin

And on 64-bit computers:

C:\Program Files (x86)\Microsoft SDKs\Windows\v6.0A\bin

And on Windows 10 computers:

C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin

On the first run, you use xsd.exe and you convert your sample XML into a XSD file (XML schema file):

xsd yourfile.xml

This gives you yourfile.xsd, which in a second step, you can convert again using xsd.exe into a C# class:

xsd yourfile.xsd /c

This should give you a file yourfile.cs which will contain a C# class that you can use to deserialize the XML file you're getting - something like:

XmlSerializer serializer = new XmlSerializer(typeof(msg));
msg resultingMessage = (msg)serializer.Deserialize(new XmlTextReader("yourfile.xml"));

Should work pretty well for most cases.

Update: the XML serializer will take any stream as its input - either a file or a memory stream will be fine:

XmlSerializer serializer = new XmlSerializer(typeof(msg));
MemoryStream memStream = new MemoryStream(Encoding.UTF8.GetBytes(inputString));
msg resultingMessage = (msg)serializer.Deserialize(memStream);

or use a StringReader:

XmlSerializer serializer = new XmlSerializer(typeof(msg));
StringReader rdr = new StringReader(inputString);
msg resultingMessage = (msg)serializer.Deserialize(rdr);

Convert XML to C# Object, The Deserialize method receives a string containing the xml to deserialize and returns an object of type T . Conversely, the Serialize method  ConvertTo-Xml returns an in-memory representation of an XML document, so you can continue to process it in PowerShell. ConvertTo-Xml does not have an option to convert objects to CLI XML. Examples. Example 1: Convert a date to XML. PS C:\> Get-Date | ConvertTo-Xml. This command converts the current date (a DateTime object) to XML.

You have two possibilities.

Method 1. XSD tool


Suppose that you have your XML file in this location C:\path\to\xml\file.xml

  1. Open Developer Command Prompt You can find it in Start Menu > Programs > Microsoft Visual Studio 2012 > Visual Studio Tools Or if you have Windows 8 can just start typing Developer Command Prompt in Start screen
  2. Change location to your XML file directory by typing cd /D "C:\path\to\xml"
  3. Create XSD file from your xml file by typing xsd file.xml
  4. Create C# classes by typing xsd /c file.xsd

And that's it! You have generated C# classes from xml file in C:\path\to\xml\file.cs

Method 2 - Paste special


Required Visual Studio 2012+ with .Net Framework >= 4.5 as project target and 'Windows Communication Foundation' individual component installed

  1. Copy content of your XML file to clipboard
  2. Add to your solution new, empty class file (Shift+Alt+C)
  3. Open that file and in menu click Edit > Paste special > Paste XML As Classes

And that's it!

Usage

Usage is very simple with this helper class:

using System;
using System.IO;
using System.Web.Script.Serialization; // Add reference: System.Web.Extensions
using System.Xml;
using System.Xml.Serialization;

namespace Helpers
{
    internal static class ParseHelpers
    {
        private static JavaScriptSerializer json;
        private static JavaScriptSerializer JSON { get { return json ?? (json = new JavaScriptSerializer()); } }

        public static Stream ToStream(this string @this)
        {
            var stream = new MemoryStream();
            var writer = new StreamWriter(stream);
            writer.Write(@this);
            writer.Flush();
            stream.Position = 0;
            return stream;
        }


        public static T ParseXML<T>(this string @this) where T : class
        {
            var reader = XmlReader.Create(@this.Trim().ToStream(), new XmlReaderSettings() { ConformanceLevel = ConformanceLevel.Document });
            return new XmlSerializer(typeof(T)).Deserialize(reader) as T;
        }

        public static T ParseJSON<T>(this string @this) where T : class
        {
            return JSON.Deserialize<T>(@this.Trim());
        }
    }
}

All you have to do now, is:

    public class JSONRoot
    {
        public catalog catalog { get; set; }
    }
    // ...

    string xml = File.ReadAllText(@"D:\file.xml");
    var catalog1 = xml.ParseXML<catalog>();

    string json = File.ReadAllText(@"D:\file.json");
    var catalog2 = json.ParseJSON<JSONRoot>();

Simple deserialization of XML to C# object, . NET. Prepare XML string. ? Prepare C# object. ? Create XML serializer. First argument is type of object you want to get and in second argument you specify root attribute of your XML source. Create StringReader object. ? Finally, deserialize to your C# object. I have a case like getting an XML and convert the XML elements to document object and getting the element values and attributes which i have been created already. Here is the piece of code i have tried to convert the string to DOM document object

Try this method to Convert Xml to an object. It is made for exactly what you are doing:

protected T FromXml<T>(String xml)
{
    T returnedXmlClass = default(T);

    try
    {
        using (TextReader reader = new StringReader(xml))
        {
            try
            {
                returnedXmlClass = 
                    (T)new XmlSerializer(typeof(T)).Deserialize(reader);
            }
            catch (InvalidOperationException)
            {
                // String passed is not XML, simply return defaultXmlClass
            }
        }
    }
    catch (Exception ex)
    {
    }

    return returnedXmlClass ;        
}

Call it using this code:

YourStrongTypedEntity entity = FromXml<YourStrongTypedEntity>(YourMsgString);

JAXB Read XML to Java Object Example, 2) Convert XML String to Java Object. To read XML, first get the JAXBContext . It is entry point to the JAXB API and provides methods to unmarshal, marshal and  Step by step process for creating XML to object in Springboot. First, you need to create maven project give Group id and Artifact id. 2.Create your java class in src/main/java and your package name and your java class name for Example-XmlToJavaObject.java

Simply Run Your Visual Studio 2013 as Administration ... Copy the content of your Xml file.. Go to Visual Studio 2013 > Edit > Paste Special > Paste Xml as C# Classes It will create your c# classes according to your Xml file content.

C# Object to XML and XML to Object C#, Similarly, to convert an XML string to object we make use of the XmlSerializer to deserialize and XmlTextReader to read the XML string. Here is  In Java, XML is represented with org.w3c.dom.Document object. In this XML tutorial, we will learn to – Convert XML string to XML Document Convert XML file content to XML Document 1) Convert String to XML Document To convert XML string to XML Dom, we need following classes: javax.xml.parsers.DocumentBuilder : Defines the API to obtain XML […]

Just in case anyone might find this useful:

public static class XmlConvert
{
    public static string SerializeObject<T>(T dataObject)
    {
        if (dataObject == null)
        {
            return string.Empty;
        }
        try
        {
            using (StringWriter stringWriter = new System.IO.StringWriter())
            {
                var serializer = new XmlSerializer(typeof(T));
                serializer.Serialize(stringWriter, dataObject);
                return stringWriter.ToString();
            }
        }
        catch (Exception ex)
        {
            return string.Empty;
        }
    }

    public static T DeserializeObject<T>(string xml)
         where T : new()
    {
        if (string.IsNullOrEmpty(xml))
        {
            return new T();
        }
        try
        {
            using (var stringReader = new StringReader(xml))
            {
                var serializer = new XmlSerializer(typeof(T));
                return (T)serializer.Deserialize(stringReader);
            }
        }
        catch (Exception ex)
        {
            return new T();
        }
    }
}

You can call it using:

MyCustomObject myObject = new MyCustomObject();
string xmlString = XmlConvert.SerializeObject(myObject)
myObject = XmlConvert.DeserializeObject<MyCustomObject>(xmlString);

Create Object Using JAXB From XML String, Below code demonstrate how to convert Xml into Employee Java Object. package com.technicalkeeda;; import java. To convert a Java object to an XML string, you need to first create an instance of JAXBContext. This is the entry point to JAXB API that provides several methods to marshal, unmarshal, and validate XML documents. Next, get the Marshall instance from JAXBContext. Afterward, use its marshal() method to marshall a Java object to XML.

Examples of XML Serialization, private void SerializeDataSet(string filename){ XmlSerializer ser = new Serializing a Class that Contains a Field Returning a Complex Object XmlSerializer converts it to an element nested within the main XML document. The Java content objects represent the content and organization of the XML document, and are directly available to your program. Read More: Read XML with SAX Parser and DOM Parser. 2) Convert XML String to Java Object. To read XML, first get the JAXBContext. It is entry point to the JAXB API and provides methods to unmarshal, marshal and

Converts an XML string to an object : Xml Serialization « XML « C# , Converts an XML string to an object : Xml Serialization « XML « C# / C Sharp. The Serializer.cs class contains two methods, namely Deserialize and Serialize . The Deserialize method receives a string containing the xml to deserialize and returns an object of type T. Conversely, the Serialize method receives an object of type T and converts this into xml. In both cases we are working with an object of type T which allows

Serializing and Deserializing XML String, You can serialize your object to a byte array and can deSerialize the byte Serializing and Deserializing XML String LastIndexOf(Convert. To convert an object to XML, we’ll make use of  XmlSerializer to serialize and  XmlTextWriter to output the XML string. Here is how the code looks like : XML to Object C# Similarly, to convert an XML string to object we make use of the  XmlSerializer to deserialize and  XmlTextReader to read the XML string.

Comments
  • Do you have objects these become or are you wanting to dynamically generate the objects?
  • look for this post: http://stackoverflow.com/questions/765422/jaxb-equivalent-in-c
  • For me this was the best option: stackoverflow.com/a/24184283/2647430
  • Thanks for the detailed explanation. In my case, the XML is coming over a socket, and is a string. How would I de-serialize a string instead of an XML file?
  • @Steve: You can open a StringReader and pass the Deserialize method. StringReader derives from TextReader.
  • Would you prefer your approach to the one Fahad mentioned using Linq?
  • @Steve: yes, I would - deserializing into an object and being able to poke at the object's properties seems a lot easier than doing a lot of wiggling with XML elements, attributes, child nodes etc. Linq-to-XML is great if the XML is irregular and changes all the time, or not known ahead of time.
  • This web site is much easier than the xsd tool IMO: xmltocsharp.azurewebsites.net
  • cheers. re: method 2, you have to target .net 4.5 else the option's not available.
  • Method 2 is ridiculously useful! Thanks for that. I had no idea that existed.
  • Kudos for the method 2, works like a charm. Great when trying to simply parse a XML programmatically without having to implement boring classes.
  • You should make "Paste Special" as a first method- it's the simplest one. Limitation ".Net Framework >= 4.5" is not important in 2017.
  • The "Paste XML as classes" requires the WCF workload for Visual Studio installed.
  • Got this error xmlns=''> was not expected."}, any idea ?