Android™

Create Restricted Data Token (RDT)

See more Amazon SP-API Examples

Returns a Restricted Data Token (RDT) for one or more restricted resources that you specify. Android™

// 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);

    boolean success = false;

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

    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("execute-api");
    // Use the region that is correct for your needs.
    authAws.put_Region("eu-west-1");

    CkRest rest = new CkRest();
    boolean bTls = true;
    int port = 443;
    boolean bAutoReconnect = true;
    // The sandbox endpoint (sandbox.sellingpartnerapi-eu.amazon.com) fails.
    // Use the production endpoint and see the note below.
    success = rest.Connect("sellingpartnerapi-eu.amazon.com",port,bTls,bAutoReconnect);
    if (success == false) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    success = rest.SetAuthAws(authAws);

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    CkJsonObject jsonToken = new CkJsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/sp_api_lwa_token.json");
    if (success == false) {
        Log.i(TAG, "Failed to load LWA access token.");
        return;
        }

    // Add the x-amz-access-token request header.
    String lwa_token = jsonToken.stringOf("access_token");
    rest.ClearAllHeaders();
    rest.AddHeader("x-amz-access-token",lwa_token);

    // We're going to send a POST with the following JSON body:

    // {
    //   "restrictedResources": [
    //     {
    //       "method": "GET",
    //       "path": "/orders/v0/orders",
    //       "dataElements": ["buyerInfo", "shippingAddress"]
    //     }
    //   ]
    // }

    // Use this online tool to generate code from sample JSON: 
    // Generate Code to Create JSON

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("restrictedResources[0].method","GET");
    json.UpdateString("restrictedResources[0].path","/orders/v0/orders");
    json.UpdateString("restrictedResources[0].dataElements[0]","buyerInfo");
    json.UpdateString("restrictedResources[0].dataElements[1]","shippingAddress");

    CkStringBuilder sbRequest = new CkStringBuilder();
    json.EmitSb(sbRequest);

    CkStringBuilder sbResponse = new CkStringBuilder();
    String uri = "/tokens/2021-03-01/restrictedDataToken";
    success = rest.FullRequestSb("POST",uri,sbRequest,sbResponse);
    if (success == false) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    // ------------------------------------------------------------------------------------
    // Note: Using the sandbox endpoint, such as sandbox.sellingpartnerapi-eu.amazon.com
    // results in a response status code of 400 with the following error:
    // [{"code":"InvalidInput","message":"Could not match input arguments"}]
    // Getting a restricted data token seems to only work with the production endpoint.
    // ------------------------------------------------------------------------------------

    // Examine the response status.
    int statusCode = rest.get_ResponseStatusCode();
    if (statusCode != 200) {
        Log.i(TAG, "Response status code: " + String.valueOf(statusCode));
        Log.i(TAG, "Response status text: " + rest.responseStatusText());
        Log.i(TAG, "Response body: ");
        Log.i(TAG, sbResponse.getAsString());
        Log.i(TAG, "Failed.");
        return;
        }

    Log.i(TAG, sbResponse.getAsString());

    // If successful, gets a JSON response such as the following:

    // {
    //   "expiresIn": 3600,
    //   "restrictedDataToken": "Atz.sprdt|AYAB.....TQ="
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    CkJsonObject jsonResp = new CkJsonObject();
    jsonResp.LoadSb(sbResponse);

    int expiresIn = jsonResp.IntOf("expiresIn");
    String restrictedDataToken = jsonResp.stringOf("restrictedDataToken");

    // Save the RDT for subsequent use..
    success = jsonResp.WriteFile("qa_data/tokens/sp_api_rdt_token.json");

    Log.i(TAG, "Success!");

  }

  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."
  }
}