How to send HTTP POST request and receive response?

Question

I'm going to create mobile application that works with CommuniGate Pro server.

For example, I need to make the following Android Client C - CGP Server S conversation and get XIMSS.nonce node value:

C:GET /ximsslogin/ HTTP/1.1 Host: myserver.com Content-Type: text/xml Content-Length: 42 <XIMSS><listFeatures id="list" /><XIMSS> S:HTTP/1.1 200 OK Content-Length: 231 Connection: keep-alive Content-Type: text/xml;charset=utf-8 Server: CommuniGatePro/5.3 <XIMSS><nonce>2C3E575E5498CE63574D40F18D00C873</nonce><language>german</language><response id="s"/></XIMSS>

Example, in ActionScript 3.0 it looks this way:

var loader:Loader = new Loader(); loader.addEventListener(Event.COMPLETE, completeHandler); var urlRequest:URLRequest = new URLRequest(...); urlRequest.method = ...; urlRequest.data = ...; loader.load(urlRequest); private function completeHandler(...):void { ... };

How will it look in Java for Android 2.1?

I believe you're going to need to elaborate more in order to get any meaningful assistance. — Tom Kidd
– Tom Kidd, Commented Jun 14, 2010 at 15:19

Donal Rafferty · Accepted Answer · 2010-06-14 16:20:49Z

As Schnapple says your question seems very broad and is confusing to read and understand.

Here is some general code to send a HTTP POST and get a response from a server though that may be helpful.

public String postPage(String url, File data, boolean returnAddr) { ret = null; httpClient.getParams().setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.RFC_2109); httpPost = new HttpPost(url); response = null; FileEntity tmp = null; tmp = new FileEntity(data,"UTF-8"); httpPost.setEntity(tmp); try { response = httpClient.execute(httpPost,localContext); } catch (ClientProtocolException e) { System.out.println("HTTPHelp : ClientProtocolException : "+e); } catch (IOException e) { System.out.println("HTTPHelp : IOException : "+e); } ret = response.getStatusLine().toString(); return ret; }

When i used this method the response i got from my server is "Image not provided". How to solve this?

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