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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCLOUDS-930) Expose the prefix option when listing a container
Date Tue, 30 Jun 2015 02:29:05 GMT

    [ https://issues.apache.org/jira/browse/JCLOUDS-930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606877#comment-14606877

ASF subversion and git services commented on JCLOUDS-930:

Commit 8677ffcb213f4182eee03039431a9562c2eee16a in jclouds's branch refs/heads/master from
[ https://git-wip-us.apache.org/repos/asf?p=jclouds.git;h=8677ffc ]

JCLOUDS-930: Implement prefix for LocalBlobStore.

Implements prefix support for the local blob store. The patch allows
for correctly parsing prefixes that may not terminate with a delimiter
(i.e. foo with delimiter "/" and a key foobar/key, should return
foobar/ as the common path) and ones that do (i.e. foo/).

NOTE: there is a small change in behavior in this patch.
LocalBlobStore used to return the common prefixes without the
delimiter character ("/"). However, other providers do include the
delimiter (I checked S3 and Google Cloud Storage) and LocalBlobStore
should include it as well.

> 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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