[HDFS-5038] Backport several branch-2 APIs to branch-1

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: 1.3.0
• Hadoop Flags: Reviewed
• Assignee: Jing Zhao
• Reporter: Jing Zhao
• Created: 26/Jul/13 20:35
• Updated: 11/Sep/13 21:33
• Resolved: 11/Sep/13 21:33

Description

Backport the following several simple API to branch-1:

1. FileSystem#newInstance(Configuration)
2. DFSClient#getNamenode()
3. FileStatus#isDirectory()