void downloadObject(String objectName, OutputStream outputStream);

    /**
     * Deletes an object from storage.
     *
     * @param objectName the name/path of the object to delete
     */
    void deleteObject(String objectName);

    /**
     * Lists objects in storage with the given prefix.
     *
     * @param prefix the path prefix to list objects under (null or empty for root)

import static org.codelibs.fess.app.web.admin.storage.AdminStorageAction.decodePath;
import static org.codelibs.fess.app.web.admin.storage.AdminStorageAction.deleteObject;
import static org.codelibs.fess.app.web.admin.storage.AdminStorageAction.downloadObject;
import static org.codelibs.fess.app.web.admin.storage.AdminStorageAction.getFileItems;

        }
    }

    @Override
    public void deleteObject(final String objectName) {
        try {
            final DeleteObjectRequest request = DeleteObjectRequest.builder().bucket(bucket).key(objectName).build();
            s3Client.deleteObject(request);
        } catch (final Exception e) {
            throw new StorageException("Failed to delete " + objectName, e);

     * @param objectName the name of the object to delete
     * @throws StorageException if the deletion fails
     */
    public static void deleteObject(final String objectName) {
        try (final StorageClient client = StorageClientFactory.createClient()) {
            client.deleteObject(objectName);
        } catch (final Exception e) {
            throw new StorageException("Failed to delete " + objectName, e);
        }
    }