Object Storage Service:Interroger les informations d'un bucket (OSS SDK for Java 1.0)

import com.aliyun.oss.*;
import com.aliyun.oss.common.auth.*;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.BucketInfo;

public class Demo {
    public static void main(String[] args) throws Exception {
        // In this example, the endpoint of the China (Hangzhou) region is used. Specify your actual endpoint. 
        String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
        // Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured. 
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // Specify the name of the bucket. Example: examplebucket. 
        String bucketName = "examplebucket";
        // Specify the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the region to cn-hangzhou.
        String region = "cn-hangzhou";
                
        // Create an OSS Client instance. 
        // Release the OSS Client instance via the shutdown method when the it is no longer used.
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);        
        OSS ossClient = OSSClientBuilder.create()
        .endpoint(endpoint)
        .credentialsProvider(credentialsProvider)
        .clientConfiguration(clientBuilderConfiguration)
        .region(region)               
        .build();

        try {
            // Information about a bucket includes the region (Region or Location), creation date (CreationDate), and owner (Owner) of the bucket. 
            // Call the shutdown method to release associated resources when the OSS Client is no longer in use.
            BucketInfo info = ossClient.getBucketInfo(bucketName);
            // Query the region in which the bucket is located. 
            System.out.println(info.getBucket().getLocation());
            // Query the creation date of the bucket. 
            System.out.println(info.getBucket().getCreationDate());
            // Query the owner of the bucket. 
            System.out.println(info.getBucket().getOwner());           
            // Query the redundancy type of the bucket. 
            System.out.println(info.getDataRedundancyType());
            // Query the access tracking status of the bucket. Only OSS SDK for Java 3.16.0 or later allows you to query the access tracking status of a bucket. 
            System.out.println(info.getBucket().getAccessMonitor());
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}