Consume SOAP and sending response back as Rest in C#

Question

User-1419011324 posted

I am working with .net 4.5 C# project. I am consuming SOAP service and then response back them to with REST with SharePoint 2013.

But the issue is part of SOAP response is not parsing as XML but as string. I don't know what I am doing wrong.

Screen marked part parsing as string not XML

Code for Consuming SOAP

public HttpWebRequest CreateWebRequest(string URL)
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(@"" + URL);
webRequest.Headers.Add(@"SOAP:Action");
webRequest.ContentType = "text/xml;charset=\"utf-8\"";
webRequest.Accept = "text/xml";
webRequest.Method = "POST";
return webRequest;
}

public string ConsumeSOAP(string XML, string URL)
{
HttpWebRequest request = CreateWebRequest(URL);
XmlDocument soapEnvelopeXml = new XmlDocument();
soapEnvelopeXml.LoadXml(@"" + XML);

using (Stream stream = request.GetRequestStream())
{
soapEnvelopeXml.Save(stream);
}
using (WebResponse response = request.GetResponse())
{
using (StreamReader rd = new StreamReader(response.GetResponseStream()))
{
string soapResult = rd.ReadToEnd();
return soapResult;
}
}
}

Code for SOAP response to REST

public string doLogin(string memberId, string password)
{
string XML = null;
try
{
SOAPService soap = new SOAPService();
XNamespace ns = @"http://schemas.xmlsoap.org/soap/envelope/";

string URL = URL;
string User = User;
string Password = Password;

string authenticateXML = string.Format(@"<soapenv:Envelope xmlns:soapenv=""http://schemas.xmlsoap.org/soap/envelope/"" xmlns:web=""http://webservices.xxx.xxx.com/"">
<soapenv:Header>
<web:header>
<passWord>{0}</passWord>
<userName>{1}</userName>
</web:header>
</soapenv:Header>
<soapenv:Body>
<web:authenticate>
<authenticateRequest>
<password>{2}</password>
<username>{3}</username>
</authenticateRequest>
</web:authenticate>
</soapenv:Body>
</soapenv:Envelope>", Password, User, password, memberId);

string authenticateResponse = soap.ConsumeSOAP(authenticateXML, URL);
var authenticateResponseValue = XDocument.Parse(authenticateResponse);
XML = authenticateResponseValue.Descendants((XNamespace)"http://schemas.xmlsoap.org/soap/envelope/" + "Body").First().FirstNode.ToString();
}
catch 
{

}
return XML;
}

Interface for the REST

[OperationContract]
[WebGet(ResponseFormat = WebMessageFormat.Xml, BodyStyle = WebMessageBodyStyle.Wrapped, UriTemplate = "/doLogin?memberId={memberId}&password={password}")]
string doLogin(string memberId, string password);

[1]: https://i.stack.imgur.com/na54O.png

Answer 1

User475983607 posted

If I understand correctly.  you are building a REST-SOAP adapter service.  Rather than trying to parse SOAP directly, simply add a Web Reference (to the SOAP service) using Visual Studio.  This will generate code that does the request/response SOAP parsing automatically.

https://msdn.microsoft.com/en-us/library/tydxdyw9(v=vs.100).aspx

https://msdn.microsoft.com/en-us/library/d9w023sx(v=vs.100).aspx

Answer 2

User-1419011324 posted

Well I solved my issue by changing doLogin function return from string to XElement. Then store FirstNode in XNode variable and than parse that XNode to XElement. 

Cheers 

Answer 3

User1771544211 posted

Hi Milind Saraswala,

Thanks for sharing your solution. Please mark your reply as answer. It will help others who encountered a similar problem to quickly find the solution.

Jean