JAVA Send Post Request which contains XML String

Question

Problem Description

I'm trying to write a code which is sending POST request to the server. As server yet doesn't exist I can't test this part of code. With the request I must send XML as a String which look likes the string below:

String XMLSRequest = "<?xml version="1.0" encoding="UTF-8" standalone="no"?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Header><AuthenticationHeader><Username>Victor</Username><Password>Apoyan</Password></AuthenticationHeader></soapenv:Body></soapenv:Envelope>"

Solution

String url = "https://testurl.com/somerequest";
URL obj = new URL(url);
HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

//add reuqest header
con.setRequestMethod("POST");
con.setRequestProperty("User-Agent", USER_AGENT);
con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

String urlParameters = String.format("request=%s", XMLSRequest);

// Send post request
con.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(con.getOutputStream());
wr.writeBytes(urlParameters);
wr.flush();
wr.close();

Question

Is this right way to send String (XML like string) as POST request to the server?

Solution

To POST a SOAP request, you would want to write the xml to the body of the request. You do not want to write it as a parameter of the request.

String url = "https://testurl.com/somerequest";
URL obj = new URL(url);
urlConnection con = (HttpsURLConnection) obj.openConnection();

// add request header
con.setRequestMethod("POST");
con.setRequestProperty("User-Agent", USER_AGENT);
con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
con.setRequestProperty("Content-Type", "application/soap+xml; charset=utf-8");

// Send post request
con.setDoOutput(true);
OutputStream os = con.getOutputStream(); //get output Stream from con
os.write( XMLSRequest.getBytes("utf-8") );
os.close();

Comments

[Roman C]

First you need to serialize to JSON then send over HTTP.

[Khary Mendez]

Not sure why you are appending "request=" to the XML, other than that it looks ok.

[Viktor Apoyan]

@RomanC can you bring some example as a answer of how to send XML string via http connection in correct way?

[Viktor Apoyan]

@kharyam you mean String urlParameters = XMLSRequest; this is Okay ?

[Roman C]

You should not use http connection.

[Viktor Apoyan]

@RomanC why not to use http?

[Viktor Apoyan]

I just need to send the request to server which contains XML as a string. This what I need to to Send as string

[Khary Mendez]

@ViToBrothers yes. Or you can just delete that line and do wr.writeBytes(XMLRequest)

[Roman C]

@ViToBrothers Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.

[Viktor Apoyan]

@RomanC I need to send POST request which contains XML as a string.

[Viktor Apoyan]

@RomanC I edit question you can check

[Brett Okken]

Are you wanting to send XML in the body of the request (with Content-Type of text/xml)? Or are you wanting to send a parameter (Content-Type application/x-www-form-urlencoded) whose value is xml and send it in the body of the request to avoid url length issues?

[Viktor Apoyan]

@BrettOkken I think for me better way is to send it in the body, as my string is very long (XMLString),so I can send it in a body of request also.

[Brett Okken]

@ViToBrothers My question was what Content-Type are you wanting to use? What does the service you are calling expect?

[Viktor Apoyan]

@BrettOkken actually server does not exists, so I just need to simulate ending of XML String

[Viktor Apoyan]

@BrettOkken, so I need just to send XML String to not existing server.

[Thilina Sampath]

urlConnection not working my jax-rs web service which lib add for this work