+1 for 2) from me

Martin Grigorov
Wicket Training and Consulting
Looking for a remote position with Wicket ? Contact me!
https://twitter.com/mtgrigorov


On Tue, Apr 3, 2018 at 5:34 PM, Maxim Solodovnik <solomax...@gmail.com>
wrote:

> It seems the discussion is spread between this thread and the JIRA
> https://issues.apache.org/jira/browse/WICKET-6544?
> focusedCommentId=16423835&page=com.atlassian.jira.
> plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16423835
>
> As far as I can see we don't have consensus if this feature should
> 1) remain as is (drop PR)
> 2) be improved (merge PR and/or enhance detection)
> 3) browser detection should be dropped?
>
> I would vote for option 2+ :)
>
> On Mon, Apr 2, 2018 at 5:11 AM, Martin Grigorov <mgrigo...@apache.org>
> wrote:
>
> > On Thu, Mar 29, 2018 at 1:31 AM, Korbinian Bachl <
> > korbinian.ba...@whiskyworld.de> wrote:
> >
> > >
> > >
> > > ----- Ursprüngliche Mail -----
> > > >> even in 2009 it was considered bad: https://www.sitepoint.com/why-
> > > >> browser-sniffing-stinks/
> > > >> and in case that is not enough, read what the guy that invented
> > > modernizr
> > > >> has to say:
> > > >> http://farukat.es/journal/2011/02/499-lest-we-forget-or-
> > > >> how-i-learned-whats-so-bad-about-browser-sniffing/
> > > >>
> > > >>
> > > > I do not trust anyone who says "don't do it this way" but doesn't say
> > how
> > > > to do it!
> > > >
> > > > There are several of "if (isBrowserX()) {...} else {...}" in Wicket
> JS
> > > code
> > > > and they served well for the last decade.
> > > > Since there are several other *Java* libraries for user agent
> detection
> > > > this means that someone still finds them useful despite what other
> > people
> > > > claim.
> > >
> > > unreliable things wont get reliably by pointing into the past and then
> > > telling that your fater did it the same way....
> > >
> > > nowadays you would use feature detection, see:
> > >
> > > https://developer.mozilla.org/en-US/docs/Learn/Tools_and_
> > > testing/Cross_browser_testing/Feature_detection
> >
> >
> > Korbinian,
> >
> > The PR by Maxim is about the User-Agent detection at the *server* side,
> > i.e. in the *Java* code. It reads the request header and tells you what
> the
> > browser is.
> > The JS feature detection is only client side. You will need Ajax
> behaviors
> > to send the ourcome to the server to be able to use it there. Wicket does
> > this with (Web)ClientInfo related classes.
> >
> > I'll be VERY glad to see your PR that uses modern ways to redo the
> current
> > checks in wicket-ajax.js or in the server code, e.g. Wicket Bootstrap
> uses
> > this information to decide whether to render respond.js!
> > Until then please do not make such bold statements. It is easy to read an
> > article and say "this is the [new] silver bullet". Until you get your
> hands
> > dirty you never know what kind of problems you will face!
> >
> >
> > >
> > >
> > > >
> > > >
> > > >> btw:
> > > >> https://github.com/HaraldWalker/user-agent-utils -> this is EOL,
> > guess
> > > >> why...
> > > >> https://github.com/pieroxy/java-user-agent-detection/releases ->
> last
> > > >> release from september 2017...
> > > >>
> > > >>
> > > > Sep 2017 is like yesterday
> > >
> > > (all only MAJOR releases!)
> > >
> > > 28. September 2017 - Firefox 56
> > > 14. November 2017 - Firefox 57 Quantum
> > > 23. Januar 2018 - Firefox 58
> > > 13. März 2018 - Firefox 59
> > >
> > > 2017-09-05 - Chrome 61.0.3163
> > > 2017-10-17 - Chrome 62.0.3202
> > > 2017-12-05 - Chrome 63.0.3239
> > > 2018-01-23 - Chrome 64.0.3282
> > > 2018-03-06 - Chrome 65.0.3325
> > >
> > > and this is just 2 desktop ones! I dont want to talk about the loads of
> > > updates my android device got in that time (firefox mobile, chrome and
> > > samsung internet!) - oh, and btw: they still lie about the user agent
> all
> > > time.... dont get me wrong, but sep 17 is freaking old in case you need
> > to
> > > reliably detect the browser!
> > >
> >
> > Yes, and all of them are properly parsed by the same code that has been
> > used in the last decade!
> > The browser vendors have no reason to change their syntax of user agent.
> > Believe me they do know that this piece of information *is being* used in
> > the wild!
> >
>
>
>
> --
> WBR
> Maxim aka solomax
>

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