How to list all AWS S3 objects in a bucket using Java

Question

What is the simplest way to get a list of all items within an S3 bucket using Java?

List s3objects = s3.listObjects(bucketName,prefix)         


        

Answer 1

As a slightly more concise solution to listing S3 objects when they might be truncated:

ListObjectsRequest request = new ListObjectsRequest().withBucketName(bucketName);
ObjectListing listing = null;

while((listing == null) || (request.getMarker() != null)) {
  listing = s3Client.listObjects(request);
  // do stuff with listing
  request.setMarker(listing.getNextMarker());
}