Examples with NoSuchKeyException software.amazon.awssdk.services.s3.model.NoSuchKeyException used on opensource projects

Example 1 with NoSuchKeyException

use of software.amazon.awssdk.services.s3.model.NoSuchKeyException in project aws-doc-sdk-examples by awsdocs.

the class MovieLensDatasetProvider method getObjectBytes.

// Checks to see if the dataset is already uploaded to s3.
public static boolean getObjectBytes(S3Client s3Client, String bucketName, String keyName) {
    try {
        GetObjectRequest objectRequest = GetObjectRequest.builder().key(keyName).bucket(bucketName).build();
        ResponseBytes<GetObjectResponse> objectBytes = s3Client.getObjectAsBytes(objectRequest);
        byte[] data = objectBytes.asByteArray();
        return data.length > 0;
    } catch (NoSuchKeyException | NoSuchBucketException ex) {
        return false;
    } catch (S3Exception s3Exception) {
        System.err.println(s3Exception.awsErrorDetails().errorMessage());
        System.exit(1);
    }
    return false;
}