Java

Check PayPal Access Token Expiration

See more PayPal Examples

Checks to see if the PayPal access token expired. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.DateTime;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // Note: Requires Chilkat v9.5.0.64 or greater.

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

        // In the example linked here: PayPal OAuth2 Token,
        // we fetched a PayPal access token and saved it to a JSON file.
        // We also recorded the current date/time.
        // Load this JSON file and compare the current date/time with the fetch date/time
        // and the "expires_in" value to see if the token is expired.

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

        // Get the current date/time.
        DateTime dateTime = new DateTime();
        boolean bLocalTime = false;
        int dtNow = (int) dateTime.getAsUnixTime(bLocalTime);

        // Get the access token create date/time
        int dtCreate = json.intOf("tokenCreateTimeUtc");

        // Find out how many seconds have elapsed.
        int numSeconds = dtNow - dtCreate;

        // Get the expires_in value from the JSON.
        int expires_in = json.intOf("expires_in");

        System.out.println("token age (in seconds) = " + numSeconds);
        System.out.println("expires_in = " + expires_in);

        // If the token expired, or if it will expire in 5 minutes or less,
        // get another token.
        if (numSeconds < (expires_in - 300)) {
            System.out.println("The token is not yet expired.  No need to fetch another.");
            return;
        }

        System.out.println("Time to fetch a new access token...");

        // Get another token..
        // See the example at Get PayPal OAuth2 Token
        // to get another token..
    }
}