Java

ETrade Renew Access Token

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Renews an ETrade OAuth access token. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.FileAccess;
import com.chilkatsoft.chilkat2.Hashtable;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // This requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Http http = new Http();

        http.setOAuth1(true);
        http.setOAuthVerifier("");
        http.setOAuthConsumerKey("ETRADE_CONSUMER_KEY");
        http.setOAuthConsumerSecret("ETRADE_CONSUMER_SECRET");

        // Load the access token previously obtained via the OAuth1 Authorization
        JsonObject jsonToken = new JsonObject();
        try {
            jsonToken.loadFile("qa_data/tokens/etrade.json");
        } catch (ChilkatException e) {
            System.out.println("Failed to load OAuth1 token");
            return;
        }

        http.setOAuthToken(jsonToken.stringOf("oauth_token"));
        http.setOAuthTokenSecret(jsonToken.stringOf("oauth_token_secret"));

        HttpResponse resp = new HttpResponse();
        try {
            http.httpNoBody("GET", "https://api.etrade.com/oauth/renew_access_token", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Make sure a successful response was received.
        if (resp.getStatusCode() != 200) {
            System.out.println(resp.getStatusLine());
            System.out.println(resp.getHeader());
            System.out.println(resp.getBodyStr());
            return;
        }

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

        StringBuilder sbRespBody = new StringBuilder();
        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;
        }

        Hashtable hashTab = new Hashtable();
        hashTab.addQueryParams(resp.getBodyStr());

        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..
        JsonObject json = new JsonObject();
        json.appendString("oauth_token", accessToken);
        json.appendString("oauth_token_secret", accessTokenSecret);

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

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