[jira] [Updated] (IO-316) New API: BackupFileWriter

["Sebb (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IO-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb updated IO-316:
--------------------

    Issue Type: New Feature  (was: Bug)
    
> New API: BackupFileWriter
> -------------------------
>
>                 Key: IO-316
>                 URL: https://issues.apache.org/jira/browse/IO-316
>             Project: Commons IO
>          Issue Type: New Feature
>          Components: Streams/Writers
>    Affects Versions: 2.1
>            Reporter: Aaron Digulla
>            Priority: Minor
>
> Add the new file based I/O class {{BackupFileWriter}} with the following properties:
> - Saves the file to a temporary name
> - Creates backup of existing file on {{close()}}
> - Renames temp file to desired name on {{close()}}
> The backup strategy (number of backups, backup file name) should be pluggable.
> There should also be a hook to compare the temporary and the existing file and do the rename only when they are different. The default hook should always replace the file.
> It should also be possible to override the temporary file name (including the path, so the temp file can be in the same directory or a different one or even on a different disk).

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