private static final String PXY_MSGDISPATCH = "/iSynSApp/paymentFileDispatch.action";
private static final String PXYPARAM_APIVERSION = "apiVersion";
private static final String PXYPARAM_APIVERSION_NUM = "1.0.1”;
private static final String PXYPARAM_APITYPE = "apiType";
private static final String PXYPARAM_APITYPE_PXYHPCI = "pxyhpci";
private static final String PXYPARAM_DISPATCHREQUEST_PROFILENAME = "dispatchRequest.profileName";
private static final String PXYPARAM_DISPATCHREQUEST_DESTFILENAME = "dispatchRequest.destFileName";
private static final String PXYPARAM_USERNAME = "userName";
private static final String PXYPARAM_USERPASSKEY = "userPassKey";
public static String callUrl(String urlString, Map paramMap, String fileName,
      File dispatchFile) {
    
    String urlReturnValue = "";
    String charset = "UTF-8";
    
    String boundary = Long.toHexString(System.currentTimeMillis()); // Just generate some unique random value.
    String CRLF = "\r\n"; // Line separator required by multipart/form-data.
    try {
      URLConnection connection = new URL(urlString).openConnection();
      connection.setDoOutput(true);
      connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
      PrintWriter writer = null;
      try {
          OutputStream output = connection.getOutputStream();
          writer = new PrintWriter(new OutputStreamWriter(output, charset), true);
  
          // Send normal param.
          for (Entry paramEntry : paramMap.entrySet()) {
  
            writer.append("--" + boundary).append(CRLF);
            writer.append("Content-Disposition: form-data; name=\"" + paramEntry.getKey() + "\"").append(CRLF);
            writer.append("Content-Type: text/plain; charset=" + charset).append(CRLF);
            writer.append(CRLF);
            writer.append(paramEntry.getValue()).append(CRLF).flush();
          }
  
          // Send text file.
          writer.append("--" + boundary).append(CRLF);
          writer.append("Content-Disposition: form-data; name=\"tokenFile\"; filename=\"" + fileName +"\"").append(CRLF);
          writer.append("Content-Type: text/plain; charset=" + charset).append(CRLF);
          writer.append(CRLF).flush();
          BufferedReader reader = null;
          try {
              reader = new BufferedReader(new InputStreamReader(new FileInputStream(dispatchFile), charset));
              for (String line; (line = reader.readLine()) != null;) {
                  writer.append(line).append(CRLF);
              }
          } finally {
              if (reader != null) try { reader.close(); } catch (IOException logOrIgnore) {}
          }
          // End of multipart/form-data.
          writer.append("--" + boundary + "--").append(CRLF);
          writer.flush();
          
          // Get the response
          BufferedReader rd = new BufferedReader(new InputStreamReader(connection.getInputStream()));
          String line;
          while ((line = rd.readLine()) != null) {
            urlReturnValue = urlReturnValue + line;
          }
          rd.close();
      } finally {
          if (writer != null) writer.close();
      }    
    
    } catch (Exception e) {
      e.printStackTrace();
      urlReturnValue = "";
    }  
    return urlReturnValue;
  }
  
  private String dispatchOnly(String serviceUrl, String userName, String userPassKey, String fileName,
      String destFileName, File dispatchFile) {
    // make the remote call
    String callUrl = serviceUrl + PXY_MSGDISPATCH;
    
      // prepare the api call
    Map paramMap = new HashMap();
    paramMap.put(PXYPARAM_APIVERSION, PXYPARAM_APIVERSION_NUM);
    paramMap.put(PXYPARAM_APITYPE, PXYPARAM_APITYPE_PXYHPCI);
    paramMap.put(PXYPARAM_USERNAME, userName);
    paramMap.put(PXYPARAM_USERPASSKEY, userPassKey);
    paramMap.put(PXYPARAM_DISPATCHREQUEST_PROFILENAME, "DISPATCHEXAVAULT");
    if(destFileName != null && !destFileName.isEmpty())
      paramMap.put(PXYPARAM_DISPATCHREQUEST_DESTFILENAME, destFileName);
      
      logMessage("========================================================");
    logMessage("Make the call: " + callUrl);
    logMessage("Call payload: " + paramMap);
    String callResult = callUrl(callUrl, paramMap, fileName, dispatchFile);
    logMessage("Call result:" + callResult);
    
    // parse the url encoded key value pairs
    Map resultMap = DemoUtil.parseQueryString(callResult);
    
    // get the network call status
    String callStatus = resultMap.get(PXYRESP_CALL_STATUS);
    
    if (callStatus != null && callStatus.equals(PXYRESP_CALL_STATUS_SUCCESS)){ 
      logMessage("Successful transaction");
      authId = resultMap.get(PXYRESP_AUTH_ID);
      logMessage("Auth Ref Id:" + authId);
    }
    else {
      logMessage("Unsuccessful transaction");
      String statusCode = resultMap.get(PXYRESP_RESPSTATUS_CODE);
      String statusName = resultMap.get(PXYRESP_RESPSTATUS_NAME);
      String statusDesc = resultMap.get(PXYRESP_RESPSTATUS_DESCRIPTION);
      logMessage("Auth Status Code:" + statusCode);
      logMessage("Auth Status Name:" + statusName);
      logMessage("Auth Status Desc:" + statusDesc);
    }
    return callResult;
  }