Java

Refresh QuickBooks OAuth2 Access Token

See more QuickBooks Examples

Demonstrates how to refresh a QuickBooks OAuth2 access token. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.OAuth2;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

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

        // See Get QuickBooks OAuth2 Access Token
        // for sample code showing how to obtain a QuickBooks access token for desktop apps.

        // This example assumes we previously obtained an OAuth2 access token for QuickBooks.

        JsonObject jsonToken = new JsonObject();
        try {
            jsonToken.loadFile("qa_data/tokens/qb-access-token.json");
        } catch (ChilkatException e) {
            System.out.println("Failed to load qb-access-token.json");
            return;
        }

        // The access token JSON looks something like this:

        // {
        //   "expires_in": 3600,
        //   "x_refresh_token_expires_in": 8726400,
        //   "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
        //   "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
        //   "token_type": "bearer"
        // }

        OAuth2 oauth2 = new OAuth2();

        oauth2.setTokenEndpoint("https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer");

        // Replace these with actual values.
        oauth2.setClientId("QUICKBOOKS-CLIENT-ID");
        oauth2.setClientSecret("QUICKBOOKS-CLIENT-SECRET");

        // Get the "refresh_token"
        oauth2.setRefreshToken(jsonToken.stringOf("refresh_token"));

        // Send the HTTP POST to refresh the access token..
        try {
            oauth2.refreshAccessToken();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // The response contains a new access token, but we must keep
        // our existing refresh token for when we need to refresh again in the future.
        jsonToken.updateString("access_token", oauth2.getAccessToken());

        // Save the new JSON access token response to a file.
        // The access + refresh tokens contained in this JSON will be needed for the next refresh.
        StringBuilder sbJson = new StringBuilder();
        jsonToken.setEmitCompact(false);

        jsonToken.emitSb(sbJson);
        sbJson.writeFile("qa_data/tokens/qb-access-token.json", "utf-8", false);

        System.out.println("OAuth2 token refreshed!");
        System.out.println("New Access Token = " + oauth2.getAccessToken());
    }
}