Java

Salesforce OAuth2 Refresh Access Token

See more OAuth2 Examples

Demonstrates how to refresh a Salesforce Access Token.

Note: Use Chilkat v10.1.2 or later for this example.

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.

        // It is assumed we previously obtained an OAuth2 access token.
        // This example loads the JSON access token file
        // saved by this example: Get SalesForce OAuth2 Access Token via Authorization Flow

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

        // This is an example of a Salesforce OAuth2 access token to be refreshed:

        // {
        //   "access_token": "00D41000....uLZBpT6",
        //   "refresh_token": "5Aep....25xdGgkrV",
        //   "signature": "cjTbSc5DvcKpaMoRTzuQTJLb1tcMw8LEO01flq4aMD4=",
        //   "scope": "refresh_token id",
        //   "instance_url": "https://d41000000f8a0eak-dev-ed.my.salesforce.com",
        //   "id": "https://login.salesforce.com/id/00D41000000F8A0EAK/005410000....xAAE",
        //   "token_type": "Bearer",
        //   "issued_at": "1738348388166"
        // }

        OAuth2 oauth2 = new OAuth2();

        oauth2.setTokenEndpoint("https://login.salesforce.com/services/oauth2/token");

        // Replace this with your actual client ID (Consumer Key)
        oauth2.setClientId("CLIENT_ID");

        // Note: The client secret is not required because we configured our Connected App
        // to not require it for the refresh flow.  See the screenshot below.

        // 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.
        StringBuilder sbJson = new StringBuilder();
        jsonToken.setEmitCompact(false);
        jsonToken.emitSb(sbJson);
        sbJson.writeFile("qa_data/tokens/_salesforce.json", "utf-8", false);

        System.out.println("OAuth2 authorization granted!");
        System.out.println("New Access Token = " + oauth2.getAccessToken());

        // --------------------------------------------------------------------------
        // Here's a screenshot of a Salesforce Connected App
        // which does not requires the secret for the authorization or refresh flow.
        // 
    }
}