Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

Android™ Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text

HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(Android™) Generate an E-way Bill

Demonstrates how to send an HTTP POST request to generate an e-way bill.

Chilkat Android™ Downloads

Android™ Java Libraries

Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    //  This example uses the previously obtained access token that was retrieved
    //  in this example:  Get EWAY Auth Token using Gstin, username, password, and app_key

    CkJsonObject jsonAuth = new CkJsonObject();
    boolean success = jsonAuth.LoadFile("qa_data/tokens/ewayAuth.json");
    if (success != true) {
        Log.i(TAG, jsonAuth.lastErrorText());
        return;
        }

    //  The jsonAuth contains something like this:
    //  {
    //    "authToken": "IBTeFtxNfVurg71LTzZ2r0xK7",
    //    "decryptedSek": "5g1TyTie7yoslU3DrbYATa7mWyPazlODE7cEh5Vy4Ho="
    //  }

    //  Generate the JSON data for the e-way bill.
    //  The following code can be generated by pasting representative JSON into this online tool:
    //  Generate JSON Code
    CkJsonObject jsonData = new CkJsonObject();
    jsonData.UpdateString("supplyType","O");
    jsonData.UpdateString("subSupplyType","1");
    jsonData.UpdateString("docType","INV");
    jsonData.UpdateString("docNo","AW1234-2");
    jsonData.UpdateString("docDate","05/04/2018");
    jsonData.UpdateString("fromGstin","09ABDC24212B1FK");
    jsonData.UpdateString("fromTrdName","willy");
    jsonData.UpdateString("fromAddr1","3RD CROSS NO 200  19  A");
    jsonData.UpdateString("fromAddr2","GROUND FLOOR OZZY ROAD");
    jsonData.UpdateString("fromPlace","BUSY TOWN");
    jsonData.UpdateNumber("fromPincode","640033");
    jsonData.UpdateNumber("actFromStateCode","05");
    jsonData.UpdateNumber("fromStateCode","05");
    jsonData.UpdateString("toGstin","01AAAASCC10BBBB");
    jsonData.UpdateString("toTrdName","mthustra");
    jsonData.UpdateString("toAddr1","Shrek Ogre");
    jsonData.UpdateString("toAddr2","Basadronsil");
    jsonData.UpdateString("toPlace","Grifl Blagar");
    jsonData.UpdateNumber("toPincode","699988");
    jsonData.UpdateNumber("actToStateCode","29");
    jsonData.UpdateNumber("toStateCode","02");
    jsonData.UpdateNumber("totalValue","5609889");
    jsonData.UpdateNumber("cgstValue","0");
    jsonData.UpdateNumber("sgstValue","0");
    jsonData.UpdateNumber("igstValue","168296.67");
    jsonData.UpdateNumber("cessValue","224395.56");
    jsonData.UpdateString("transporterId","09ABDC24212B1FK");
    jsonData.UpdateString("transporterName","");
    jsonData.UpdateString("transDocNo","12332");
    jsonData.UpdateNumber("transMode","1");
    jsonData.UpdateString("transDistance","656");
    jsonData.UpdateString("transDocDate","10/04/2018");
    jsonData.UpdateString("vehicleNo","PBN4567");
    jsonData.UpdateString("vehicleType","R");
    jsonData.put_I(0);
    jsonData.UpdateString("itemList[i].productName","Wheat");
    jsonData.UpdateString("itemList[i].productDesc","Wheat");
    jsonData.UpdateNumber("itemList[i].hsnCode","1001");
    jsonData.UpdateNumber("itemList[i].quantity","4");
    jsonData.UpdateString("itemList[i].qtyUnit","BOX");
    jsonData.UpdateNumber("itemList[i].cgstRate","0");
    jsonData.UpdateNumber("itemList[i].sgstRate","0");
    jsonData.UpdateNumber("itemList[i].igstRate","3");
    jsonData.UpdateNumber("itemList[i].cessRate","4");
    jsonData.UpdateNumber("itemList[i].cessAdvol","0");
    jsonData.UpdateNumber("itemList[i].taxableAmount","5609889");

    //  The body of the HTTP POST will contain JSON that looks like this:
    //  	{
    //  	"action":"GENEWAYBILL",
    //  	"data": " iJiJGXq ... oUZp/25Y "
    //  	}

    //  The "data" is the encrypted jsonData using our previously agreed-upon symmetric encryption key.
    //  Let's begin build the JSON request body..
    CkJsonObject jsonRequestBody = new CkJsonObject();
    jsonRequestBody.UpdateString("action","GENEWAYBILL");

    //  Setup the encryptor using the decryptedSek from the jsonAuth
    CkCrypt2 crypt = new CkCrypt2();
    crypt.put_CryptAlgorithm("aes");
    crypt.put_CipherMode("ecb");
    crypt.put_KeyLength(256);
    crypt.SetEncodedKey(jsonAuth.stringOf("decryptedSek"),"base64");
    crypt.put_EncodingMode("base64");

    //  Encrypt the jsonData and add it to our JSON request body
    jsonRequestBody.UpdateString("data",crypt.encryptStringENC(jsonData.emit()));

    CkHttp http = new CkHttp();

    //  Add the authtoken to the request header.
    //  Be careful to be precise with uppercase/lowercase ("authtoken" vs "authToken")
    http.SetRequestHeader("authtoken",jsonAuth.stringOf("authToken"));
    http.SetRequestHeader("Gstin","09ABDC24212B1FK");
    http.put_Accept("application/json");

    //  POST the request to generate an e-way bill:
    CkHttpResponse resp = http.PostJson2("http://ewb.wepgst.com/api/EWayBill","application/json",jsonRequestBody.emit());
    if (http.get_LastMethodSuccess() != true) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    int respStatusCode = resp.get_StatusCode();
    Log.i(TAG, "response status code =" + String.valueOf(respStatusCode));
    Log.i(TAG, "response body:");
    Log.i(TAG, resp.bodyStr());

    if (respStatusCode != 200) {

        Log.i(TAG, "Failed in some unknown way.");
        return;
        }

    //  When the response status code = 200, we'll have either
    //  success response like this:
    //   {"status":"1","data":"..."}
    // 
    //  or a failed response like this:
    // 
    //  {"status":"0","error":"eyJlcnJvckNvZGVzIjoiMTA4In0="}

    //  Load the response body into a JSON object.
    CkJsonObject json = new CkJsonObject();
    json.Load(resp.bodyStr());

    int status = json.IntOf("status");
    Log.i(TAG, "status = " + String.valueOf(status));

    if (status != 1) {
        //  Failed.  Base64 decode the error
        // {"status":"0","error":"eyJlcnJvckNvZGVzIjoiMTA4In0="}
        //  For an invalid password, the error is: {"errorCodes":"108"}
        CkStringBuilder sbError = new CkStringBuilder();
        json.StringOfSb("error",sbError);
        sbError.Decode("base64","utf-8");
        Log.i(TAG, "error: " + sbError.getAsString());
        return;
        }

    json.put_EmitCompact(false);
    Log.i(TAG, "JSON response:");
    Log.i(TAG, json.emit());

    CkBinData bdData = new CkBinData();
    bdData.AppendEncoded(json.stringOf("data"),"base64");
    crypt.DecryptBd(bdData);

    //  Decrypts to
    //  {"ewayBillNo":331001121234,"ewayBillDate":"24/05/2018 04:38:00 PM","validUpto":"31/05/2018 11:59:00 PM"}

    CkJsonObject jsonBill = new CkJsonObject();
    jsonBill.Load(bdData.getString("utf-8"));

    int ewayBillNo = jsonBill.IntOf("ewayBillNo");
    Log.i(TAG, "ewayBillNo = " + String.valueOf(ewayBillNo));

    String ewayBillDate = jsonBill.stringOf("ewayBillDate");
    Log.i(TAG, "ewayBillDate = " + ewayBillDate);

    String validUpto = jsonBill.stringOf("validUpto");
    Log.i(TAG, "validUpto = " + validUpto);

    //  Sample output:

    //  ewayBillNo = 331001121234
    //  ewayBillDate = 24/05/2018 04:55:00 PM
    //  validUpto = 31/05/2018 11:59:00 PM

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.