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Java

Refresh eBay Application Access Token

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This example shows how to get a new eBay REST API access token when the original is close to expiration.

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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.OAuth2;

public class ChilkatExample {

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

        // The previously fetched eBay access token looks like this:

        // {
        //   "access_token": "v^1.1#i^1# ... HwSAAA=",
        //   "expires_in": 7200,
        //   "refresh_token": "v^1.1#i^1# ... FXjEyODQ=",
        //   "refresh_token_expires_in": 47304000,
        //   "token_type": "User Access Token"
        // }

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

        OAuth2 oauth2 = new OAuth2();

        oauth2.setTokenEndpoint("https://api.sandbox.ebay.com/identity/v1/oauth2/token");

        // Replace these with actual values.
        oauth2.setClientId("EBAY_CLIENT_ID");
        oauth2.setClientSecret("EBAY_CLIENT_SECRET");

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

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

        // Load the access token response into the JSON object
        json.load(oauth2.getAccessTokenResponse());

        // 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.
        json.setEmitCompact(false);
        json.writeFile("qa_data/tokens/ebay-access-token.json");

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