从Google Cloud获取访问令牌

Question

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Collections;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.services.drive.DriveScopes;

public class pred {
    public static String getGoogleAccessToken(String jsonKeyFilePath)
            throws FileNotFoundException, IOException, GeneralSecurityException {

        GoogleCredential credential = GoogleCredential.fromStream(
                new FileInputStream(jsonKeyFilePath)).createScoped(
                Collections.singleton(DriveScopes.DRIVE));

        credential.refreshToken();

        return credential.getAccessToken();


    }

    public static void main(String[] args) throws IOException, GeneralSecurityException {

        String a=getGoogleAccessToken("D:ml-latest-small\\untitled\\src\\woven*************.json");
        System.out.println(a);
    }
}

我想获取访问令牌以从Google云端中部署的版本中获取预测。上面的代码 提供对Google云端硬盘的访问令牌。有没有办法更改此部分（DriveScopes.DRIVE）以获取 Google云端访问令牌。或者还有另一种从Java获取访问令牌的方法。