I'd say go for Jackson as a main dependency and then someone (or me) could try to bring the other JSON modules uptodate by using it, I might even merge the two at the same time, but not until the weekend :-)
Ian On Wed, 23 Jan 2019 at 15:45, Andrea Aime <andrea.a...@geo-solutions.it> wrote: > Hi all, > as you probably know GeoTools is now sometimes carrying around JSON in > feature attributes > (e.g., see JSON support in PostGIS data store). > The JSON is represented as a String. > > Now, I'd like to add a filter function to parse and extract specific > properties out of the JSON string... which > requires new dependencies. And boy we have a mess of them in the classpath > already: > > - json-simple, used in geojson and mbstyles, but dead, last release is > 2012 > - json-lib, used in GeoServer for geojson generation, and also dead, > last release is 2010 > - jackson, used by Spring and directly by some GeoServer community > modules, with recent releases and latest commits of only a few days ago > > > There are basically two languages to extract stuff from JSON, json-path > and json-pointer. > json-path is the one I would have preferred as it's more powerful, but its > situation library wise is not > exactly in great shape, the jayway implementation uses yet another json > java library, json-smart2, also dead. > There are a couple of other options for json-path, either dead or with a > bizzarre "do not evil" licence. > > json-pointer is instead supported directly by jackson-core, which is well > alive, and comes with a 300kb jar > that has no external dependencies. This seems the best bet, just one > hesitation... should I add a jackson-core > to gt-main? On one side, it seems a large-ish dependency for just a > function, on the other side having a single > class new module also seems a bit overkill. > > Opinions? > > Cheers > Andrea > > == GeoServer Professional Services from the experts! Visit > http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf > Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa > (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 > http://www.geo-solutions.it http://twitter.com/geosolutions_it > ------------------------------------------------------- *Con riferimento > alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - > Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni > circostanza inerente alla presente email (il suo contenuto, gli eventuali > allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i > destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per > errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le > sarei comunque grato se potesse darmene notizia. This email is intended > only for the person or entity to which it is addressed and may contain > information that is privileged, confidential or otherwise protected from > disclosure. We remind that - as provided by European Regulation 2016/679 > “GDPR” - copying, dissemination or use of this e-mail or the information > herein by anyone other than the intended recipient is prohibited. If you > have received this email by mistake, please notify us immediately by > telephone or e-mail.* > _______________________________________________ > GeoTools-Devel mailing list > GeoTools-Devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geotools-devel > -- Ian Turton
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