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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6787) Factor out glob pattern code from FileContext and Filesystem
Date Wed, 02 Jun 2010 18:43:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874729#action_12874729
] 

Luke Lu commented on HADOOP-6787:
---------------------------------

In short, it's strictly less restrictive and more standard compliant than the old code. The
TestGlobPaths test in HDFS passes unmodified in my environment with patched common package
as well (it didn't until I wrapped the PatternSyntaxException with IOException that start
with "Illegal file pattern" in the GlobFilter.)

> Factor out glob pattern code from FileContext and Filesystem
> ------------------------------------------------------------
>
>                 Key: HADOOP-6787
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6787
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Luke Lu
>            Assignee: Luke Lu
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6787-trunk-v1.patch, hadoop-6787-y20s-v1.patch
>
>
> The GlobFilter class (especially the error-prone setRegex method) is duplicated in both
FileContext and Filesystem. And I'd like to be able to reuse the most of the setRegex code
for glob pattern matching in metrics filter configurations.
> We could at least factor out the hairy setRegex code and package them into a GlobPattern
class with a minimum compile method.

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