I want to change the permission to public. How can this be achieved?
See the following example [1] from the cloud storage workshop. Note that the permission is at the *container* level, not at the blob level...
ap[1] https://github.com/jclouds/jclouds-cloud-storage-workshop/blob/master/exercise1/src/main/java/org/jclouds/labs/blobstore/exercise1/ImageUploader.java#L61
