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From "Richard (Jira)" <j...@apache.org>
Subject [jira] [Commented] (CLI-298) Define CLI options via configuration file
Date Thu, 17 Oct 2019 14:44:00 GMT

    [ https://issues.apache.org/jira/browse/CLI-298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16953819#comment-16953819
] 

Richard commented on CLI-298:
-----------------------------

The main reason we didn't switch to JCommander was that we already had our Apache CLI options
already set. Converting to another format, even if it reduces the amount of code by a given
amount, would still be back-breaking and take considerable time to convert from one to the
other. The approach I've settled with will save me a lot of time, anyway. Plus we here have
a lot of love for Apache Commons!

Please don't let CLI head to the attic, it's not where it's destined for...

> Define CLI options via configuration file
> -----------------------------------------
>
>                 Key: CLI-298
>                 URL: https://issues.apache.org/jira/browse/CLI-298
>             Project: Commons CLI
>          Issue Type: Improvement
>          Components: Options definition
>    Affects Versions: 1.5, Nightly Builds
>            Reporter: Richard
>            Priority: Minor
>              Labels: newbie, pull-request-available, ready-to-commit
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> Create a configuration that enables users to define CLI options via a configuration file.
Such configuration would normally pre-defined and bundled inside the executable jar running
the application. This would reduce the amount of code required to define command line options
and introduce the ability to do a lot of the checking a user does (such as converting values
to integers, files, checking if integers are above/below a certain amount, checking that files
or directories do/don't exist etc.) For security purposes, at compile time calculate an MD5
for the application, if this doesn't match at runtime warn of corrupted file exception. Also
add I18N since this will be driven via the user experience for exception messages.
> So far I've catered for basic options that utilise strings.
> Code already started with a pull request at [https://github.com/zendawg/commons-cli]
underneath the branch named "cli-configuration".
> Apologies in advance, never contributed to Apache SWF before.



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