Hi @VanVelZ
It is simple. Just write primary content to http as a outputstream.
example uses a xml file
URL urlObj = new URL("http://adressToApplication");
HttpURLConnection con = (HttpURLConnection) urlObj.openConnection();
con.setSSLSocketFactory(sslsocketfactory);// it is up to you what security you use
con.setRequestMethod("POST");
con.setRequestProperty("Content-Type", "text/xml; charset=UTF-8");
con.setRequestProperty("Accept", "text/xml");
con.setRequestProperty("Content-Length", String.valueOf(xmlContent.length()));
con.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(con.getOutputStream());
wr.write(xmlContent.getBytes(StandardCharsets.UTF_8));
wr.flush();
wr.close();
PetrH