Timur Alperovich created JCLOUDS-930:
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             Summary: Expose the prefix option when listing a container
                 Key: JCLOUDS-930
                 URL: https://issues.apache.org/jira/browse/JCLOUDS-930
             Project: jclouds
          Issue Type: New Feature
          Components: jclouds-blobstore
            Reporter: Timur Alperovich


Currently, the blob store interface exposes an _inDirectory()_ method to set 
the directory from which to list blobs. This is implemented through a 
combination of prefix and delimiter options, namely combining them to retrieve 
all objects nested under a specific "directory" (e.g. dir/).

jclouds should expose an explicit prefix option to, for example, allow listing 
objects that all start with a common name. The difference from the existing 
inDirectory() option is that the prefix would not require the delimiter to be 
set and could be an arbitrary string.

The prefix is an option supported by S3, Swift, Azure, and Google Cloud Storage.



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