1HashMap < String,Object > 2requestMap = new HashMap < String, Object > (); 3requestMap.put(“iMid”, ”nicePay.get(iMid)”); 4requestMap.put(“merchantToken”, nicePay, makeToken(nicePay.get(iMid)) 5try { //Make json 6 ObjectMapper mapper = new ObjectMapper(); 7 String contents = mapper.writeValueAsString(requestMap); 8 URL url = new URL(myDomain + "/nicepay/serviceStatus.do"); 9 URLConnection conn = url.openConnection(); 10 conn.setDoOutput(true); 11 conn.setUseCaches(false); 12 conn.setRequestProperty("Content-Type", "application/json"); 13 DataOutputStream os = null; 14 try { 15 os = new DataOutputStream(conn.getOutputStream()); 16 os.writeBytes(contents); 17 os.flush(); 18 } finally { 19 if (out != null) os.close(); 20 } 21 InputStreamReader isr = new InputStreamReader(conn.getInputStream(), "UTF-8"); 22 BufferedReader br = new BufferedReader(isr); 23 String str = ""; 24 resultData = ""; 25 while ((str = br.readLine()) != null) { 26 resultData += str; 27 } 28 br.close(); 29} catch(MalformedURLException e) { 30 System.out.println("The URL address is incorrect."); 31 e.printStackTrace(); 32} catch(Exception e) { 33 System.out.println("It can't connect to the web page."); 34 e.printStackTrace(); 35}