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https://issues.apache.org/jira/browse/HADOOP-6996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12921093#action_12921093
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dhruba borthakur commented on HADOOP-6996:
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+1 looks good to me.
> Allow CodecFactory to return a codec object given a codec' class name
> ---------------------------------------------------------------------
>
> Key: HADOOP-6996
> URL: https://issues.apache.org/jira/browse/HADOOP-6996
> Project: Hadoop Common
> Issue Type: New Feature
> Components: io
> Affects Versions: 0.22.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.22.0
>
> Attachments: getCodecByClassName.patch
>
>
> CodecFactory specify the list of codec that are supported by Hadoop. However,
> it returns a codec only by a file's name. I would like to make getCodec
> method to alternatively take a codec's class name.
> This is required by HDFS-1435, where
> 1. it allows an HDFS admin to configure which codec to use to save an image.
> 2. It stores the codec class name in its on-disk image instead of a file's
> suffix.
> When saving and reading an image, I'd like to get an codec from CodecFactory
> by its class name.
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