unable to get response from payment website

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posted 13 years ago

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Hi,

i am trying to post some parameters to a payment website like the following. If i run a jsp, that will pass the parameters to the controller and from the controller i am trying to post the values received from the jsp and trying to get the reponse in the same controller. But i dont know how to find whether the controller gets connected with the payment websit and request has been sent from my end. I dont whether my code is correct and i am following the correct procedure. please assist me to do this. i am posting the code also.

[b]Payment.jsp[/b]
<script type="text/javascript">
function posturl(){
//alert("post url");
//document.ICash.action="https://secure.metacharge.com/mcpe/corporate";
  //document.ICash.method="post";
  //document.ICash.submit();
  document.ICash.action="Readdata.do";
  document.ICash.method="post";
  document.ICash.submit();
}
</script>
</head>
<body onload=posturl()>
<form name="ICash" method="POST">
<input type="hidden" name="intTestMode" value="1">
<input type="hidden" name="intInstID" value="254653">
<input type="hidden" name="strCartID" value="654322">
<input type="hidden" name="strDesc" value="description of goods">
<input type="hidden" name="fltAmount" value="10.00">
<input type="hidden" name="strCurrency" value="GBP">
<input type="hidden" name="strCardHolder" value="Joe Bloggs">
<input type="hidden" name="strPostcode" value="BA12BU">
<input type="hidden" name="strEmail" value="preetha@peopletech.co.in">
<input type="hidden" name="strCardNumber" value="1234123412341234">
<input type="hidden" name="intCV2" value="707">
<input type="hidden" name="strExpiryDate" value="0612">
<input type="hidden" name="strCardType" value="VISA">
<input type="hidden" name="strCountry" value="GB">
<input type="hidden" name="fltAPIVersion" value="1.3">
<input type="hidden" name="strTransType" value="PAYMENT">
</form>
</body>

package com.PeopleTech;

@Controller
public class ReadDataFromUrl {
	
	HttpSession session;
	 @RequestMapping("/jsp/Readdata.do")
	 public ModelAndView doPost(HttpServletRequest request,HttpServletResponse response) throws IOException {
		 session=request.getSession(true);
		
		 String[] args=null;
		// try {
				// Construct data
				String data = URLEncoder.encode("intTestMode", "UTF-8") + "=" + URLEncoder.encode("1", "UTF-8");
				data += "&" + URLEncoder.encode("intInstID", "UTF-8") + "=" + URLEncoder.encode("254653", "UTF-8"); 
				data += "&" + URLEncoder.encode("strCartID", "UTF-8") + "=" + URLEncoder.encode("654322", "UTF-8"); 
				data += "&" + URLEncoder.encode("strDesc", "UTF-8") + "=" + URLEncoder.encode("description of goods", "UTF-8");
				data += "&" + URLEncoder.encode("fltAmount", "UTF-8") + "=" + URLEncoder.encode("10.00", "UTF-8");
				data += "&" + URLEncoder.encode("strCurrency", "UTF-8") + "=" + URLEncoder.encode("GBP", "UTF-8");
				data += "&" + URLEncoder.encode("strCardHolder", "UTF-8") + "=" + URLEncoder.encode("Joe Bloggs", "UTF-8");
				data += "&" + URLEncoder.encode("strPostcode", "UTF-8") + "=" + URLEncoder.encode("BA12BU", "UTF-8");
				data += "&" + URLEncoder.encode("strEmail", "UTF-8") + "=" + URLEncoder.encode("preetha@peopletech.co.in", "UTF-8");
				data += "&" + URLEncoder.encode("strCardNumber", "UTF-8") + "=" + URLEncoder.encode("1234123412341234", "UTF-8");
				data += "&" + URLEncoder.encode("intCV2", "UTF-8") + "=" + URLEncoder.encode("707", "UTF-8");
				data += "&" + URLEncoder.encode("strExpiryDate", "UTF-8") + "=" + URLEncoder.encode("0612", "UTF-8");
				data += "&" + URLEncoder.encode("strCardType", "UTF-8") + "=" + URLEncoder.encode("VISA", "UTF-8");
				data += "&" + URLEncoder.encode("strCountry", "UTF-8") + "=" + URLEncoder.encode("GB", "UTF-8");
				data += "&" + URLEncoder.encode("fltAPIVersion", "UTF-8") + "=" + URLEncoder.encode("1.3", "UTF-8");
				data += "&" + URLEncoder.encode("strTransType", "UTF-8") + "=" + URLEncoder.encode("PAYMENT", "UTF-8");
				 System.out.print("wwwww");
				// Create a socket to the host
		String hostname = "secure.metacharge.com"; 
				//	String hostname = "https://secure.metacharge.com";
				int port = 443;
				
				InetAddress addr = InetAddress.getByName(hostname); 
				//Socket socket = new Socket(addr, port);
			//	Socket socket = new Socket(hostname , port);
				Socket socket = new Socket(addr,port);
				// Send header 
				String path = "/mcpe/corporate"; 
				BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8")); 
				wr.write("POST "+path+" HTTP/1.0\r\n"); 
				wr.write("Host "+"secure.metacharge.com");
				wr.write("Content-Type: application/x-www-form-urlencoded\r\n"); 
				wr.write("Content-Length: "+data.length()+"\r\n");
				//String intTime=request.getParameter("intTime");
				//System.out.print("connected********************************");
				 			
				wr.write("\r\n"); 
				// Send data 
				wr.write(data);
				try{
				Thread.sleep(3000);
				}
				catch(Exception e){
					e.printStackTrace();
				}
				//System.out.print(data);
				wr.flush(); 
				// Get response 
				BufferedReader rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));
				String line;
				line = rd.readLine();
				System.out.println("inside********************"+line);
			while ((line = rd.readLine()) != null) 
				{ 
				
				// Process line... 
				System.out.println("inside>>>>>>>>>>>>>>>>>>>"+line);
					} wr.close(); 
					rd.close();
				//	} catch (Exception e) { } 
					
			 ModelAndView mav1 = new ModelAndView("Payment");
				return mav1;	
	 }
}

When i try to print the variable "line", I am getting null.

Thanks

Lester Burnham

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Posts: 1337

posted 13 years ago

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Start here: Don't println to a Socket. It's most likely not what's causing the problem, but you're doing that by way of the "readLine" method and need to fix that.

Richard Robbins

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Posts: 68

posted 13 years ago

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Hi preethi,
When I'm doing a quick check to verify that a POST has been received by the server, I tend to simplify my code, for instance only sending one variable. The payment module should have an API function you can call (it should send a simple "OK" type of response) simply to verify that you're making the call correctly. If your code isn't working, I'd recommend that you try one of those two options.

Richard Robbins
My technology blog: TheTechnologyVault.com
My handbook for prosperity website: Prosperopedia.com

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