5.5.1 Print Label (C#)
Print Label
Sample source code to print label (requires Newtonsoft.JSON from NuGet)
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using Newtonsoft.Json;
namespace PrinshipShipment
{
public class APIHelper
{
const string PRODUCTION_URL = "https://apiv2.unixus.com.my/";
const string SANDBOX_URL = "https://sandbox-apiv2.unixus.com.my/";
const string myRefreshToken = "88888888"; // Replace with your Refresh Token
static string api_url = SANDBOX_URL;
public static string GetAccessToken()
{
var httpWebRequest = (HttpWebRequest)WebRequest.Create(api_url + "Token/Refresh");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{ 'RefreshToken' : '" + myRefreshToken + "'}'";
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
var token = "";
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
try
{
string result = streamReader.ReadToEnd();
dynamic obj = JsonConvert.DeserializeObject<object>(result);
token = obj.AccessToken;
}
catch (System.Exception ex)
{
Console.WriteLine(string.Format("Error occurred getting AccessToken: {0}", ex.Message));
}
}
return token;
}
public static void PrintShipment(List<string> HawbNo)
{
try
{
var httpWebRequest = (HttpWebRequest)WebRequest.Create(api_url + "shipment/v2/Print");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Headers.Add("X-Version", "1");
httpWebRequest.Headers.Add("Authorization", "Bearer " + GetAccessToken());
httpWebRequest.Method = "POST";
for (int i=0; i < HawbNo.Count; i++)
{
HawbNo[i] = "'" + HawbNo[i] + "'";
}
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{'HawbNo': [" + string.Join(",", HawbNo) + "]}";
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
var result = "";
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
result = streamReader.ReadToEnd();
}
dynamic obj = JsonConvert.DeserializeObject<object>(result);
if (obj.Summary.Success > 1)
{
// Successful, save PDF to local file
File.WriteAllBytes("Label.PDF", Convert.FromBase64String((string)obj.LabelResponse.LabelImageString));
}
else
{
// Failed, print error
Console.WriteLine("Print Shipment Failed");
foreach (dynamic err in obj.Errors)
{
Console.WriteLine(string.Format("Error Message: {0}", err.ErrorMessage));
}
}
}
catch (Exception ex)
{
Console.WriteLine(string.Format("Error occurred creating/processing Print Request: {0}", ex.Message));
}
}
}
class Program
{
static void Main(string[] args)
{
List<string> hawbNos = new List<string>();
hawbNos.Add("458040010620544");
hawbNos.Add("458040010620566");
APIHelper.PrintShipment(hawbNos);
}
}
}