Hi,

thanks for the feedback. It is very welcome!

Gruss
Richard

Am Donnerstag, den 25.03.2021, 19:53 -0700 schrieb David Blevins:
> > On Mar 25, 2021, at 7:53 AM, Zowalla, Richard <
> > [email protected]> wrote:
> > 
> > Hi David, Hi Jon,
> > 
> > thanks for your replies.
> > 
> > I just pushed some (short term) fixes to the tomee-site-generator:
> > 
> > (a) Added an (experimental) generator to create the download page
> > based
> > on downloads.apache.org or archive.apache.org (rather than using
> > repo.maven.apache.org), so we can be sure, that the links are
> > working.
> > 
> > (b) I updated the downloads-ng.adoc with (1) the feedback by Sebb
> > and
> > Romain from [1] - so it is now a bit "cleaner" (imho). 
> > 
> > (c) I updated and automatically converted the previous download-
> > archive.adoc to ensure, that the links are working again. We had
> > some
> > mismatches related to "http" for the repo.maven.apache.org links
> > for
> > very old releases and some broken links due to the request by INFRA
> > to
> > remove very old relases from the mirroring system. Old releases,
> > which
> > previously linked to the mirrors are now linking to
> > archive.apache.org.
> > 
> > I will try to update https://github.com/apache/tomee-site-pub with
> > the
> > changes as well.
> > 
> > As stated above: This is only a "short term" fix to comply with the
> > infra requirements. I will respond on the other mail as well.
> 
> Took a quick look and love the clean and direct approach you have in
> the code!  I'm a big fan of static inner classes to keep code tight
> and easy to digest.
> 
> Some style advice, get in the habit of using the `final` keyword on
> all fields, variables and parameters.  It'll look strange at first,
> but you'll get used to it and it'll change the way you code in a good
> way.
> 
> For example these variables should be marked final and not
> initialized immediately:
> 
>  - 
> https://github.com/apache/tomee-site-generator/commit/27a46ae7d958867431398f86abf1ed55df4a3f74#diff-30e729b63bba575db7b6e9681e02c8ff1faf81f33d27c610c2bbeb4fe333cc23R149-R151
> 
> Once you did that all your code would work ok, minus this chunk which
> the compiler would force you to deal with differently.  You'd be
> forced to handle the situation better than simply a System.out no one
> will read.
> 
>  - 
> https://github.com/apache/tomee-site-generator/commit/27a46ae7d958867431398f86abf1ed55df4a3f74#diff-30e729b63bba575db7b6e9681e02c8ff1faf81f33d27c610c2bbeb4fe333cc23R162-R164
> 
> If it's not going to work, better it really doesn't work and just
> throw an exception with "this should never happen."  That way the
> future Jenkins job will appear red, not green, and we don't update
> the website with any potentially invalid content.  Instead of someone
> coming to the website and seeing links with no names, they'd simply
> see the old-but-valid links.  The developer who attempted the website
> update can just as easily determine the update didn't work by
> noticing the links are old as they can by the links are
> invalid.  However if they don't notice by looking at the website,
> they can notice by seeing failed Jenkins job.  Until they notice, the
> website stays valid (assuming the release wasn't removed from the
> mirror of course).
> 
> Moreover, if someone who is not you tried to use this code and that
> "should never happen" situation occurred, they'd have no exception or
> stack trace to immediately point them in the right direction.  They'd
> have to be keen to spot "This should not happen. New extensions?"
> among the output, know it is significant, and search for the line in
> the code where it occurs.  Often an exception does occur, just later
> in the code and that often means people more easily miss the "This
> should not happen" output, because their attention is drawn to the
> stacktrace which is actually just a symptom.
> 
> Avoiding mutable fields and favoring final would have forced you down
> the path of eagerly failing vs continuing with invalid defaults.
> 
> Love the update, I see you did use final in many places!  You're on
> the right track.  Lean into that more and try to force yourself to
> use it even when it at first feels odd.  I hope the feedback is
> welcome and you see it as a compliment.  You've been doing so much
> great work and spending your time helping the project, it's my way of
> saying thank you and you're worth the time to mentor :)  For whatever
> that's worth :)
> 
> Keep up the truly awesome work.  If we had 5 more Richards this
> project would be signing.  We'll get there :)
> 
> 
> -David
> 
-- 
Richard Zowalla, M.Sc.
Research Associate, PhD Student | Medical Informatics

Hochschule Heilbronn – University of Applied Sciences
Max-Planck-Str. 39 
D-74081 Heilbronn 
phone: +49 7131 504 6791
mail: [email protected]
web: https://www.mi.hs-heilbronn.de/ 

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