Obtaining the Custom Domain Names of a Bucket (SDK for Java)

import com.obs.services.ObsClient;
import com.obs.services.exception.ObsException;
import com.obs.services.model.BucketCustomDomainInfo;
import com.obs.services.model.GetBucketCustomDomainRequest;

import java.util.Map;

public class GetBucketCustomDomain {
    public static void main(String[] args) {
        // Obtain an AK/SK pair using environment variables or import the AK/SK pair in other ways. Using hard coding may result in leakage.
        // Obtain an AK/SK pair on the management console.
        String ak = System.getenv("ACCESS_KEY_ID");
        String sk = System.getenv("SECRET_ACCESS_KEY_ID");
        // (Optional) If you are using a temporary AK/SK pair and a security token to access OBS, you are advised not to use hard coding, which may result in information leakage.
        // Obtain an AK/SK pair and a security token using environment variables or import them in other ways.
        String securityToken = System.getenv("SECURITY_TOKEN");

        // Enter the endpoint corresponding to the bucket. CN North-Beijing4 is used here as an example. Replace it with the one currently in use.
        // Obtain an endpoint using environment variables or import it in other ways.
        // String endPoint = System.getenv("ENDPOINT");
        String endPoint = "https://obs.cn-north-4.myhuaweicloud.com";

        // Create an ObsClient instance.
        try (ObsClient obsClient = new ObsClient(ak, sk, securityToken, endPoint)) {
            // Example bucket name
            String exampleBucket = "example-bucket";
            // Obtain the custom domain name of the bucket.
            GetBucketCustomDomainRequest getBucketCustomDomainRequest = new GetBucketCustomDomainRequest(exampleBucket);
            BucketCustomDomainInfo bucketCustomDomainInfo =
                obsClient.getBucketCustomDomain(getBucketCustomDomainRequest);

            System.out.println("StatusCode:" + bucketCustomDomainInfo.getStatusCode());
            System.out.println("RequestId:" + bucketCustomDomainInfo.getRequestId());
            for(BucketCustomDomainInfo.Domains domain : bucketCustomDomainInfo.getDomains()) {
                System.out.println("DomainName:" + domain.getDomainName());
                System.out.println("CertificateId:" + domain.getCertificateId());
                System.out.println("CreateTime:" + domain.getCreateTime());
                System.out.println();
            }
            System.out.println("GetBucketCustomDomain successfully");
        } catch (ObsException e) {
            System.out.println("GetBucketCustomDomain failed");
            // Request failed. Print the HTTP status code.
            System.out.println("HTTP Code:" + e.getResponseCode());
            // Request failed. Print the server-side error code.
            System.out.println("Error Code:" + e.getErrorCode());
            // Request failed. Print the error details.
            System.out.println("Error Message:" + e.getErrorMessage());
            // Request failed. Print the request ID.
            System.out.println("Request ID:" + e.getErrorRequestId());
            System.out.println("Host ID:" + e.getErrorHostId());
            // Check all Map entries and print all headers associated with the error.
            Map<String, String> headers = e.getResponseHeaders();
            if(headers != null){
                for (Map.Entry<String, String> header : headers.entrySet()) {
                    System.out.println(header.getKey()+":"+header.getValue());
                }
            }
            e.printStackTrace();
        } catch (Exception e) {
            System.out.println("GetBucketCustomDomain failed");
            // Print other error information.
            e.printStackTrace();
        }
    }
}