Menghapus bucket

Berikut ini Java contoh menghapus ember yang berisi objek. Contoh ini menghapus semua objek, lalu menghapus bucket. Contoh ini berfungsi untuk bucket dengan atau tanpa mengaktifkan Penentuan Versi.

Untuk petunjuk cara membuat dan menguji sampel yang berfungsi, lihat Memulai di Panduan AWS SDK for Java Pengembang.

import com.amazonaws.AmazonServiceException;
import com.amazonaws.SdkClientException;
import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.*;

import java.util.Iterator;

public class DeleteBucket2 {

    public static void main(String[] args) {
        Regions clientRegion = Regions.DEFAULT_REGION;
        String bucketName = "*** Bucket name ***";

        try {
            AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
                    .withCredentials(new ProfileCredentialsProvider())
                    .withRegion(clientRegion)
                    .build();

            // Delete all objects from the bucket. This is sufficient
            // for unversioned buckets. For versioned buckets, when you attempt to delete
            // objects, Amazon S3 inserts
            // delete markers for all objects, but doesn't delete the object versions.
            // To delete objects from versioned buckets, delete all of the object versions
            // before deleting
            // the bucket (see below for an example).
            ObjectListing objectListing = s3Client.listObjects(bucketName);
            while (true) {
                Iterator<S3ObjectSummary> objIter = objectListing.getObjectSummaries().iterator();
                while (objIter.hasNext()) {
                    s3Client.deleteObject(bucketName, objIter.next().getKey());
                }

                // If the bucket contains many objects, the listObjects() call
                // might not return all of the objects in the first listing. Check to
                // see whether the listing was truncated. If so, retrieve the next page of
                // objects
                // and delete them.
                if (objectListing.isTruncated()) {
                    objectListing = s3Client.listNextBatchOfObjects(objectListing);
                } else {
                    break;
                }
            }

            // Delete all object versions (required for versioned buckets).
            VersionListing versionList = s3Client.listVersions(new ListVersionsRequest().withBucketName(bucketName));
            while (true) {
                Iterator<S3VersionSummary> versionIter = versionList.getVersionSummaries().iterator();
                while (versionIter.hasNext()) {
                    S3VersionSummary vs = versionIter.next();
                    s3Client.deleteVersion(bucketName, vs.getKey(), vs.getVersionId());
                }

                if (versionList.isTruncated()) {
                    versionList = s3Client.listNextBatchOfVersions(versionList);
                } else {
                    break;
                }
            }

            // After all objects and object versions are deleted, delete the bucket.
            s3Client.deleteBucket(bucketName);
        } catch (AmazonServiceException e) {
            // The call was transmitted successfully, but Amazon S3 couldn't process
            // it, so it returned an error response.
            e.printStackTrace();
        } catch (SdkClientException e) {
            // Amazon S3 couldn't be contacted for a response, or the client couldn't
            // parse the response from Amazon S3.
            e.printStackTrace();
        }
    }
}