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From Gary Gregory <garydgreg...@gmail.com>
Subject Re: [text] Adapt the Log4j 2 Interpolator to [text]
Date Thu, 14 Dec 2017 21:11:08 GMT
I think I'll pick Commons Config as the starting point, unless someone else
has a stronger POV.

Gary

On Thu, Dec 14, 2017 at 12:59 PM, Jan Matèrne (jhm) <apache@materne.de>
wrote:

> If I see a syntax like ${prefix:key} I could think of having a map of "map
> providers".
> The source of such a map could be a file, system properties, environment
> variables, database, ldap, ...
>
> Haven't looked at commons-configuration.
> But maybe also have a look at Apache Deltaspike which supports
> configurtion values via a "Datasource".
>
> And Tamaya will also have one, I think ...
>
>
> Jan
>
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: Ralph Goers [mailto:ralph.goers@dslextreme.com]
> > Gesendet: Donnerstag, 14. Dezember 2017 16:41
> > An: Commons Developers List
> > Betreff: Re: [text] Adapt the Log4j 2 Interpolator to [text]
> >
> > Yes, the Interpolator was borrowed from Commons Configuration.
> >
> > Ralph
> >
> > > On Dec 14, 2017, at 5:20 AM, Jörg Schaible <joerg.schaible@bpm-
> > inspire.com> wrote:
> > >
> > > Hi Gary,
> > >
> > > Am Wed, 13 Dec 2017 15:17:56 -0700 schrieb Gary Gregory:
> > >
> > >> Hi All,
> > >>
> > >> Log4j 2 provides it's own copy of our StrSubstitutor/StrLookup
> > >> framework enhanced for Log4j's needs. In addition it provides a
> > >> custom StrLookup called Interpolator which allows for lookups like:
> > >>
> > >> ${sys:java.version} and ${env:MY_VAR} to look up system properties
> > >> and environment variables respectively as well as other sub maps.
> > >
> > > You will find this also in commons-configurations.
> > >
> > >> I would like to borrow this concept of a composite and keyed
> > >> StrLookup and make it a first class citizen in [text].
> > >>
> > >> This would look like this:
> > >>
> > >> Interpolator interpolator = new o.a.c.t.Interpolator();
> > >> interpolator.put("gary", StrLookup.mapLookup(new HashMap()));
> > >> interpolator.put("alice", StrLookup.mapLookup(new HashMap()));
> > >> StrSubstitutor strSubstitutor = new StrSubstitutor(interpolator);
> > >>
> > >> Thoughts?
> > >
> > > Cheers,
> > > Jörg
> > >
> > >
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> > >
> >
> >
> >
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>
>
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