+0 for dropping agent detection (3) -1 for adding a dependency to an external library
Sven Am 3. April 2018 16:34:15 MESZ schrieb Maxim Solodovnik <solomax...@gmail.com>: >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