Add command factory to FsShell
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Key: HADOOP-7224
URL: https://issues.apache.org/jira/browse/HADOOP-7224
Project: Hadoop Common
Issue Type: Improvement
Affects Versions: 0.22.0
Reporter: Daryn Sharp
Assignee: Daryn Sharp
The FsShell has many chains if/then/else chains for instantiating and running
commands. A dynamic mechanism is needed for registering commands such that
FsShell requires no changes when adding new commands.
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