<login>
	<user>USERNAME</user>
	<password>PASSWORD</password>
</login>

HttpURLConnection conn = null;
try {
URL url = new URL(serverURL + "/Controller/UserAction/Login");
conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-type","text/xml"); 
conn.setDoOutput(true);

//Writing HTTP Request XML
OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
wr.write("<login><user>" + userName + "</user><password>"
 + password + "</password></login>");
wr.flush();
conn.connect();
wr.close();
		
// Reading the HTTP response to extract sessionId
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(conn.getInputStream());

Element resp = (Element) doc.getElementsByTagName("loginResp").item(0);
String sessionId = resp.getAttribute("sessionid");
}catch(Exception e){
		System.out.println("Error while retrieving session ID." + e);
	}
	finally{
		conn.disconnect();
	}

public String getVersion() throws Exception{
	HttpURLConnection conn = null;
	try{
		conn = getConnection(serverURL + "/Controller/AdminAction/VersionInfo");
		conn.connect();
		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
		DocumentBuilder db = dbf.newDocumentBuilder();
		Document doc = db.parse(conn.getInputStream());
		
	// Retrieve & return the value of the <xsdVersion> element from the response XML
	   Element resp = (Element) doc.getElementsByTagName("xsdVersion").item(0);   
	   return resp.getTextContent();
		}catch(Exception e){
			throw new Exception(e);
		}
		finally{
			conn.disconnect();
		}
}

<ns1:performImportExport xsi:schemaLocation='http://obi.cognos.com/4'
 xmlns:ns1='http://obi.cognos.com/4'
 xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>
	<ns1:isExport>true</ns1:isExport>
	<ns1:pathname>CompleteFilePath</ns1:pathname>
	<ns1:applyState>false</ns1:applyState>
	<ns1:clientRequest>true</ns1:clientRequest>
	<ns1:jarFileRequest>true</ns1:jarFileRequest>
</ns1:performImportExport>

<ns1:performImportExport xsi:schemaLocation='http://obi.cognos.com/5'
 xmlns:ns1='http://obi.cognos.com/5'
 xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>
	<ns1:isExport>true</ns1:isExport>
	<ns1:pathname>CompleteFilePath</ns1:pathname>
	<ns1:applyState>false</ns1:applyState>
	<ns1:clientRequest>true</ns1:clientRequest>
	<ns1:jarFileRequest>true</ns1:jarFileRequest>>
	<ns1:exportOptions>
			<ns1:fullExport>true</ns1:fullExport>
	</ns1:exportOptions>
</ns1:performImportExport>

	if(xsdVersion.equals("4"))
		reqXML = reqXmlCnow;
	else
		reqXML = reqXmlRtm;

 HttpURLConnection conn = null;
 String boundary = "----------ThIs_Is_tHe_bouNdaRY_$";
 try{
		URL url = new URL(serverURL +
		 "/Controller/AdminAction/ExportMetaDataJar");
		conn = (HttpURLConnection) url.openConnection();
		conn.setRequestMethod("POST");
		conn.setRequestProperty("ObiSessionId", sessionId);
		conn.setRequestProperty("Content-type",
		  "multipart/form-data; boundary=" + boundary);
		conn.setDoOutput(true);		

		StringBuilder Message = new StringBuilder();
		Message.append("--");
		Message.append(boundary);
		Message.append("\n");
		Message.append("Content-Disposition: form-data;
		 name=\"performImportExport\"\n\n");
		Message.append(reqXML);
		Message.append("\n");
		Message.append("--");
		Message.append(boundary);
		Message.append("--\n");
		
		OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
		wr.write(Message.toString());
		wr.flush();
		conn.connect();
		wr.close();
		
		// Writing the HTTP Response to the JAR File
		InputStream inputStream = conn.getInputStream();
		FileOutputStream out =
		 new FileOutputStream(new File(“/tmp/autoExport.jar”));
		int read=0;
		byte[] bytes = new byte[1024];
		
		while((read = inputStream.read(bytes))!= -1)
			out.write(bytes, 0, read);
		
		inputStream.close();
		out.flush();
		out.close();
		}catch(Exception e){
			throw new Exception(e);
		}
		finally{
			conn.disconnect();
		}

java AutoExport http://cnow.server.com/cognos/now /tmp/MyExport.jar CognosNowAdmin manager
java AutoExport http://rtmserver:81/cognos/realtime C:/MyExport.jar rtmadmin manager

AutoExport.vbs http://cnow.server.com/cognos/now C:/testExport.jar CognosNowAdmin manager
AutoExport.vbs http://rtmserver:99/cognos/realtime C:/temp/testExport.jar rtmadmin manager