Hi Martin,

you missed the point of the proposal at [1], it's a syntax change that
would move Wicket's expression language closer to Unified Expression
Language. This change would better welcome developers used to work
with expressions like: bean.map["key"] and move Wicket closer to JSR
341 (we can continue on the linked thread).

The branch you pointed is the implementation of a parser to replace
your current tokenizer inside PropertyResolver.

The comparison to the component queueing is vague. It was a new
feature in Wicket 7 rather and a improvement aiming to give users
earlier syntax errors plus to improve PropertyResolver's
maintainability by replacing organic grown code with a structured
syntax tree.

I understand and share your concern about maintenance. It's my
understand that the entire team signs a release, and that we all can
support and maintain the features inside it. I will understand if
anyone stops this improvement based on cost/benefit analysis or on the
merit that it's hard to maintain a parser. I do not share such
concerns and pointed out the benefits of such improvement at [2] (we
can continue on the linked thread).

1 - http://wicket-dev.markmail.org/thread/unwdqpxulw7tcd5l
2 - http://markmail.org/message/yc2pwmbmasx5rzim

On Tue, Jan 31, 2017 at 10:13 AM, Martin Grigorov <mgrigo...@apache.org> wrote:
> Hi Pedro,
>
> On Tue, Jan 31, 2017 at 10:25 AM, Pedro Santos <pedros...@gmail.com> wrote:
>
>> Hi Martin,
>>
>> Wicket-4201 IPageProvider improvement: will work on the ticket during the
>> week
>>
>> Expression language change [1]: it's a big change and I think it needs
>> the team approval
>>
>
> Here is the diff:
> https://github.com/apache/wicket/compare/WICKET-4008-property-expression-parser
>
>
>>
>> Wicket-4008 expression language parser: the parser is functional and
>> there isn't much work pending on it. I can finish and merge the work
>> during the week.
>>
>> 1 - http://wicket-dev.markmail.org/thread/unwdqpxulw7tcd5l
>
>
> The linked discussion makes me feel a bit uncertain.
> I want to avoid another "component queueing" case here, i.e. a rather
> bigger refactoring for something that only few people asked for and then
> leave the maintenance to someone else. The fact that you didn't have time
> to work on these changes in the last few months makes me think you may not
> have time to answer questions and fix bugs once it is released. No one can
> guarantee that (s)he will be around to help with his/her expertize, me
> included, but if you know from now that you won't have time then maybe it
> would be better to not make these changes.
>
> I agree that the team should decide so anyone is welcome to express his
> opinion!
>
>
>>
>> Pedro Santos
>>
>>
>> On Thu, Jan 12, 2017 at 9:08 PM, Martin Grigorov <mgrigo...@apache.org>
>> wrote:
>> > Hi,
>> >
>> > @Sven: have you started migrating your app ?
>> >
>> > @Pedro: any idea when you will have time to finish your improvements? Do
>> > you need any help ?
>> >
>> >
>> >
>> > Martin Grigorov
>> > Wicket Training and Consulting
>> > https://twitter.com/mtgrigorov
>> >
>> > On Mon, Nov 21, 2016 at 11:54 AM, Martin Grigorov <mgrigo...@apache.org>
>> > wrote:
>> >
>> >> Probably we should stick to the principle: If it works, don't touch it!
>> >> This is related to CGLib and ClassMetaCache
>> >>
>> >> Martin Grigorov
>> >> Wicket Training and Consulting
>> >> https://twitter.com/mtgrigorov
>> >>
>> >> On Mon, Nov 21, 2016 at 1:22 AM, Pedro Santos <pedros...@gmail.com>
>> wrote:
>> >>
>> >>> We can replace ClassMetaCache used in wicket-ioc's Injector by a
>> Jandex[1]
>> >>> class index.
>> >>>
>> >>> 1 - https://github.com/wildfly/jandex
>> >>>
>> >>> Pedro Santos
>> >>>
>> >>> On Sun, Nov 20, 2016 at 4:19 PM, Martin Grigorov <mgrigo...@apache.org
>> >
>> >>> wrote:
>> >>>
>> >>> > The main advantages of ByteBuddy are:
>> >>> > - actively developed
>> >>> > - Mockito 2 moved to it
>> >>> > - Hibernate 5.x is moving to it (
>> >>> > https://twitter.com/vlad_mihalcea/status/798971296910483456)
>> >>> > - Spring considers it (they actually already use it for the tests:
>> >>> > https://twitter.com/ankinson/status/799363435775586308)
>> >>> > - support for Java 9 (we will need it at some point)
>> >>> > - support for Android (I guess no one will ever run Wicket inside
>> >>> Android,
>> >>> > but who knows)
>> >>> >
>> >>> >
>> >>> >
>> >>> > Martin Grigorov
>> >>> > Wicket Training and Consulting
>> >>> > https://twitter.com/mtgrigorov
>> >>> >
>> >>> > On Sun, Nov 20, 2016 at 7:08 PM, Sven Meier <s...@meiers.net> wrote:
>> >>> >
>> >>> > > Replace CGLIB with ByteBuddy because it has better support for
>> Java 8
>> >>> > and 9
>> >>> > >>
>> >>> > >
>> >>> > > What are the advantages? Seems Spring hasn't decided on this yet:
>> >>> > >
>> >>> > >         https://jira.spring.io/browse/SPR-8190
>> >>> > >
>> >>> > > Regards
>> >>> > > Sven
>> >>> > >
>> >>> > >
>> >>> > >
>> >>> > > On 20.11.2016 00:47, Martin Grigorov wrote:
>> >>> > >
>> >>> > >> Replace CGLIB with ByteBuddy because it has better support for
>> Java 8
>> >>> > and
>> >>> > >> 9
>> >>> > >> ?
>> >>> > >> CGLIB could stay as fallback (via system property) until 9.0.0.
>> >>> > >>
>> >>> > >> Martin Grigorov
>> >>> > >> Wicket Training and Consulting
>> >>> > >> https://twitter.com/mtgrigorov
>> >>> > >>
>> >>> > >> On Fri, Nov 18, 2016 at 12:49 PM, Andrea Del Bene <
>> >>> an.delb...@gmail.com
>> >>> > >
>> >>> > >> wrote:
>> >>> > >>
>> >>> > >> yah, I think it's better
>> >>> > >>>
>> >>> > >>>
>> >>> > >>>
>> >>> > >>> On 14/11/2016 19:54, Martin Grigorov wrote:
>> >>> > >>>
>> >>> > >>> +1
>> >>> > >>>>
>> >>> > >>>> Maybe rename #forResource() to #of() ?
>> >>> > >>>>
>> >>> > >>>> Martin Grigorov
>> >>> > >>>> Wicket Training and Consulting
>> >>> > >>>> https://twitter.com/mtgrigorov
>> >>> > >>>>
>> >>> > >>>> On Fri, Nov 11, 2016 at 5:00 PM, Andrea Del Bene <
>> >>> > an.delb...@gmail.com>
>> >>> > >>>> wrote:
>> >>> > >>>>
>> >>> > >>>> I'm wondering if there is room for an improvement for
>> >>> > ResourceReference,
>> >>> > >>>>
>> >>> > >>>>> introducing lambda support also for this component. Actually
>> it's
>> >>> > >>>>> something
>> >>> > >>>>> that can be done after the release of 8.0.0, but I'd like to
>> >>> collect
>> >>> > >>>>> your
>> >>> > >>>>> feedback anyway. The idea is to provide factory methods to
>> build a
>> >>> > >>>>> ResourceReference using lambdas and avoiding anonymous classes
>> to
>> >>> > >>>>> implement
>> >>> > >>>>> getResource().
>> >>> > >>>>> The following snippet should better explain what I mean:
>> >>> > >>>>>
>> >>> > >>>>> https://gist.github.com/bitstorm/
>> 03cfe9905a3f86a7160ab49f0ce23f13
>> >>> > >>>>>
>> >>> > >>>>> Andrea.
>> >>> > >>>>>
>> >>> > >>>>> On 31/10/2016 14:41, Martin Grigorov wrote:
>> >>> > >>>>>
>> >>> > >>>>> Hi,
>> >>> > >>>>>
>> >>> > >>>>>> What other improvements do we need in 8.x/master before
>> >>> promoting it
>> >>> > >>>>>> to
>> >>> > >>>>>> 8.0.0 final ?
>> >>> > >>>>>>
>> >>> > >>>>>> At https://cwiki.apache.org/confluence/display/WICKET/Ideas+
>> >>> > >>>>>> for+Wicket+8.0
>> >>> > >>>>>> we still have:
>> >>> > >>>>>>
>> >>> > >>>>>> - new DateTime APIs for wicket-datetime *WICKET-6105
>> >>> > >>>>>> <https://issues.apache.org/jira/browse/WICKET-6105>* - I'll
>> give
>> >>> > this
>> >>> > >>>>>> one
>> >>> > >>>>>> more try but the problem is that I don't believe this is the
>> >>> proper
>> >>> > >>>>>> way
>> >>> > >>>>>> and
>> >>> > >>>>>> this demotivates me.
>> >>> > >>>>>> If someone else wants to give it a try - please assign it to
>> >>> > yourself!
>> >>> > >>>>>>
>> >>> > >>>>>> - Better SEO for stateful pages - the only way I see this is
>> by
>> >>> > using
>> >>> > >>>>>> ServiceWorker to add the pageId as a request header to all
>> >>> requests
>> >>> > >>>>>> (normal
>> >>> > >>>>>> & Ajax)
>> >>> > >>>>>>
>> >>> > >>>>>>
>> >>> > >>>>>> Recently I wondered whether Redux.js could be in use for
>> Wicket.
>> >>> > >>>>>> I don't have much experience with it, but both React and
>> >>> AngularJs
>> >>> > >>>>>> communities use it to manage the state for their components.
>> >>> > >>>>>> There are some Java impls, even a standard is coming:
>> >>> > >>>>>> https://github.com/jvm-redux/jvm-redux-api
>> >>> > >>>>>>
>> >>> > >>>>>> What else ?
>> >>> > >>>>>>
>> >>> > >>>>>> Martin Grigorov
>> >>> > >>>>>> Wicket Training and Consulting
>> >>> > >>>>>> https://twitter.com/mtgrigorov
>> >>> > >>>>>>
>> >>> > >>>>>>
>> >>> > >>>>>>
>> >>> > >>>>>>
>> >>> > >
>> >>> >
>> >>>
>> >>
>> >>
>>

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