Examples with NOT_FOUND software.amazon.awssdk.http.HttpStatusCode.NOT_FOUND used on opensource projects

Example 1 with NOT_FOUND

use of software.amazon.awssdk.http.HttpStatusCode.NOT_FOUND in project aws-java-nio-spi-for-s3 by awslabs.

the class S3FileSystemProvider method checkAccess.

/**
 * Composable and testable version of {@code checkAccess} that uses the provided client to check access
 */
protected void checkAccess(S3AsyncClient s3Client, Path path, AccessMode... modes) throws IOException, ExecutionException, InterruptedException {
    if (Arrays.asList(modes).contains(AccessMode.WRITE)) {
        throw new UnsupportedOperationException("WRITE is not currently supported. Please raise a feature request if you want this.");
    }
    assert path instanceof S3Path;
    S3Path s3Path = (S3Path) path.toRealPath(NOFOLLOW_LINKS);
    final String bucketName = s3Path.getFileSystem().bucketName();
    if (s3Client == null) {
        s3Client = S3ClientStore.getInstance().getAsyncClientForBucketName(bucketName);
    }
    final CompletableFuture<? extends S3Response> response;
    if (s3Path.equals(s3Path.getRoot())) {
        response = s3Client.headBucket(request -> request.bucket(bucketName));
    } else {
        response = s3Client.headObject(req -> req.bucket(bucketName).key(s3Path.getKey()));
    }
    long timeOut = TimeOutUtils.TIMEOUT_TIME_LENGTH_1;
    TimeUnit unit = MINUTES;
    try {
        SdkHttpResponse httpResponse = response.get(timeOut, unit).sdkHttpResponse();
        if (httpResponse.isSuccessful())
            return;
        if (httpResponse.statusCode() == FORBIDDEN)
            throw new AccessDeniedException(s3Path.toString());
        if (httpResponse.statusCode() == NOT_FOUND)
            throw new NoSuchFileException(s3Path.toString());
        throw new IOException(String.format("exception occurred while checking access, response code was '%d'", httpResponse.statusCode()));
    } catch (TimeoutException e) {
        throw logAndGenerateExceptionOnTimeOut(logger, "checkAccess", timeOut, unit);
    }
}