Java

ETrade Renew Access Token

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Renews an ETrade OAuth access token. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

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

    CkHttp http = new CkHttp();

    http.put_OAuth1(true);
    http.put_OAuthVerifier("");
    http.put_OAuthConsumerKey("ETRADE_CONSUMER_KEY");
    http.put_OAuthConsumerSecret("ETRADE_CONSUMER_SECRET");

    // Load the access token previously obtained via the OAuth1 Authorization
    CkJsonObject jsonToken = new CkJsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/etrade.json");
    if (success != true) {
        System.out.println("Failed to load OAuth1 token");
        return;
        }

    http.put_OAuthToken(jsonToken.stringOf("oauth_token"));
    http.put_OAuthTokenSecret(jsonToken.stringOf("oauth_token_secret"));

    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpNoBody("GET","https://api.etrade.com/oauth/renew_access_token",resp);
    if (success == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    // Make sure a successful response was received.
    if (resp.get_StatusCode() != 200) {
        System.out.println(resp.statusLine());
        System.out.println(resp.header());
        System.out.println(resp.bodyStr());
        return;
        }

    // If successful, the resp.BodyStr contains something like this:
    // oauth_token=%3TiQRgQCRGPo7Xdk6G8QDSEzX0Jsy6sKNcULcDavAGgU%3D&oauth_token_secret=%7RrC9scEpzcwSEMy4vE7nodSzPLqfRINnTNY4voczyFM%3D
    System.out.println(resp.bodyStr());

    CkStringBuilder sbRespBody = new CkStringBuilder();
    resp.GetBodySb(sbRespBody);
    if (sbRespBody.ContentsEqual("Access Token has been renewed",false)) {
        // The documentation at https://apisb.etrade.com/docs/api/authorization/renew_access_token.html
        // indicates that the response should be as described above.  However, the response received when
        // trying to refresh a non-expired token was "Access Token has been renewed"
        System.out.println("Keeping the same access token, but it's renewed...");
        return;
        }

    CkHashtable hashTab = new CkHashtable();
    hashTab.AddQueryParams(resp.bodyStr());

    String accessToken = hashTab.lookupStr("oauth_token");
    String accessTokenSecret = hashTab.lookupStr("oauth_token_secret");

    // The access token + secret is what should be saved and used for
    // subsequent REST API calls.
    System.out.println("Access Token = " + accessToken);
    System.out.println("Access Token Secret = " + accessTokenSecret);

    // Save this access token for future calls.
    // Just in case we need user_id and screen_name, save those also..
    CkJsonObject json = new CkJsonObject();
    json.AppendString("oauth_token",accessToken);
    json.AppendString("oauth_token_secret",accessTokenSecret);

    CkFileAccess fac = new CkFileAccess();
    fac.WriteEntireTextFile("qa_data/tokens/etrade.json",json.emit(),"utf-8",false);

    System.out.println("Success.");
  }
}