[jira] Commented: (NET-272) Backport / Downgrade of commons-net-2.0 to Java 1.4

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

    [ https://issues.apache.org/jira/browse/NET-272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12887305#action_12887305 ] 

Christian Gosch commented on NET-272:
-------------------------------------

Affects *2.0* (that is: commons-net-2.0) and *NOT* (commons-net-)1.4.

It seems like I cannot change field values or I did not find how to yet, so pls. reset the "versions affected" value to "2.0".

In you are in doubt, read the small discussion on which version contains TLS support and which does not.

> Backport / Downgrade of commons-net-2.0 to Java 1.4
> ---------------------------------------------------
>
>                 Key: NET-272
>                 URL: https://issues.apache.org/jira/browse/NET-272
>             Project: Commons Net
>          Issue Type: Improvement
>    Affects Versions: 1.4
>         Environment: Java 1.4 VM (as opposed to usually required Java5 VM)
>            Reporter: Christian Gosch
>            Priority: Minor
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> I need FTP over TLS used as Client on an IBM WebSphere 6.0 AppServer which only allows for the built-in Sun/IBM JRE 1.4.2, and the one and only useful open source Java library for doing so currently seems to be commons-net-2.0 which requires a Java5 VM. (The alternative EnterpriseDT edtFTPj/PRO may fit fine but is way too expensive.)
> Thus I tried to "back-port" the commons-net-2.0 sources to Java 1.4 which was feasible up to some 95% in a few hours :-) 
> Of course the nice things about type safety and so on (generics, extended "for" loop syntax...) disappeared gracefully, the enum in the TFTPServer had to be replaced by an equivalent implementation, and all annotations have been abandoned, but finally only 1 hard stopper remained: I could not find a useful replacement for the use of MatchResult in RegexFTPFileEntryParserImpl and VMSVersioningFTPEntryParser, which could guarantee the separation of changes in the same way MatchResult does. (The __listeners list in ListenerList is solved by Collections.synchronizedList(new ArrayList()), which at least guarantees thread safety.)
> I have that code at hand and can donate it to the community, but at least it should only get into some branch, and finally: Are you or is someone else interested in this code at all?
> If so, there should be some way to publish it, maybe here or elsewhere. Remaining tasks are: Finding a useful replacement for Java5 MatchResult in Java 1.4, re-integration with the maven build environment (i did the modifications somewhat "offline").
> If not, sorry for the disturbance...

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