Listing Uploaded Parts (SDK for Java)

import com.obs.services.ObsClient;
import com.obs.services.exception.ObsException;
import com.obs.services.model.ListPartsRequest;
import com.obs.services.model.ListPartsResult;
import com.obs.services.model.Multipart;
public class ListParts001 {
    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. EU-Dublin is used here as an example. Replace it with the one in your actual situation.
        String endPoint = "https://obs.eu-west-101.myhuaweicloud.eu"; 
        // Obtain an endpoint using environment variables or import it in other ways.
        //String endPoint = System.getenv("ENDPOINT");
        
        // Create an ObsClient instance.
        // Use the permanent AK/SK pair to initialize the client.
        ObsClient obsClient = new ObsClient(ak, sk,endPoint);
        // Use the temporary AK/SK pair and security token to initialize the client.
        // ObsClient obsClient = new ObsClient(ak, sk, securityToken, endPoint);

        try {
            String uploadId = "upload id from initiateMultipartUpload";
            // List uploaded parts. uploadId is obtained from the initiateMultipartUpload API.
            ListPartsRequest request = new ListPartsRequest("examplebucket", "objectname");
            request.setUploadId(uploadId);
            ListPartsResult result = obsClient.listParts(request);
            for (Multipart part : result.getMultipartList()) {
                // Part number, specified during the upload
                System.out.println("PartNumber:" + part.getPartNumber());
                // Part size
                System.out.println("Size:" + part.getSize());
                // Part ETag
                System.out.println("Etag:" + part.getEtag());
                // Time when the part was last uploaded
                System.out.println("LastModified:" + part.getLastModified());
            }
            System.out.println("listParts successfully");
        } catch (ObsException e) {
            System.out.println("listParts 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());
            e.printStackTrace();
        } catch (Exception e) {
            System.out.println("listParts failed");
            // Print other error information.
            e.printStackTrace();
        }
    }
}

import com.obs.services.ObsClient;
import com.obs.services.exception.ObsException;
import com.obs.services.model.ListPartsRequest;
import com.obs.services.model.ListPartsResult;
import com.obs.services.model.Multipart;
public class ListParts002 {
    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. EU-Dublin is used here as an example. Replace it with the one in your actual situation.
        String endPoint = "https://obs.eu-west-101.myhuaweicloud.eu"; 
        // Obtain an endpoint using environment variables or import it in other ways.
        //String endPoint = System.getenv("ENDPOINT");
        
        // Create an ObsClient instance.
        // Use the permanent AK/SK pair to initialize the client.
        ObsClient obsClient = new ObsClient(ak, sk,endPoint);
        // Use the temporary AK/SK pair and security token to initialize the client.
        // ObsClient obsClient = new ObsClient(ak, sk, securityToken, endPoint);

        try {
            String uploadId = "upload id from initiateMultipartUpload";
            // List uploaded parts. uploadId is obtained from the initiateMultipartUpload API.
            ListPartsRequest request = new ListPartsRequest("examplebucket", "objectname");
            request.setUploadId(uploadId);
            ListPartsResult result;
            do {
                result = obsClient.listParts(request);
                for (Multipart part : result.getMultipartList()) {
                    // Part number, specified during the upload
                    System.out.println("PartNumber:" + part.getPartNumber());
                    // Part size
                    System.out.println("Size:" + part.getSize());
                    // Part ETag
                    System.out.println("Etag:" + part.getEtag());
                    // Time when the part was last uploaded
                    System.out.println("LastModified:" + part.getLastModified());
                }
                request.setPartNumberMarker(Integer.parseInt(result.getNextPartNumberMarker()));
            } while (result.isTruncated());
            System.out.println("listParts successfully");
        } catch (ObsException e) {
            System.out.println("listParts 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());
            e.printStackTrace();
        } catch (Exception e) {
            System.out.println("listParts failed");
            // Print other error information.
            e.printStackTrace();
        }
    }
}