Collation in BaseX and Java

> > Hello! > > In a lexicographic application I need a custom collation for ordering. > The documentation for XML, Xquery and XSLT all somehow state that > system available collations are to be used and all seem to support > custom collations by specifying the URI. Is this possible also for > custom created Java collators? > > I have been looking at the Java docs [1] and it looks easy enough for > me, but I would like to get an affirmative from this list that it does > work with BaseX. > > My initial guesses is that I'd need to package my collator class as a > jar and install it in the Xquery module repository [2]. But how to use > it from there I'm not sure. Is BaseX able to automatically use it > correctly if I specify the correct URI as collation in the prolog > "|declare| |default| |collation 'URI';|"? > > I'd me more than glad to write about it in the documentation/wiki if I > get it working. > > Cheers! > Kristian > > [1] > http://docs.oracle.com/javase/7/docs/api/java/text/RuleBasedCollator.html > [2] http://docs.basex.org/wiki/Repository >

On Tue, Jul 5, 2016 at 2:35 PM, Kristian Kankainen <kristian at keeleleek.ee> wrote: > Hello again! > > I found a good amount of information [1] on how to do a custom Java > collation for Apache Derby, including all the packaging and metainformation. > > Now the only uncertain point for me is: > * where should I put the collation packaged as jar file > * how to make BaseX aware of the new collation > > Best regards > Kristian K > > [1] https://blogs.oracle.com/kah/entry/user_defined_collation_in_apache > > > 05.07.2016 13:58 Kristian Kankainen kirjutas: > > Hello! > > In a lexicographic application I need a custom collation for ordering. The > documentation for XML, Xquery and XSLT all somehow state that system > available collations are to be used and all seem to support custom > collations by specifying the URI. Is this possible also for custom created > Java collators? > > I have been looking at the Java docs [1] and it looks easy enough for me, > but I would like to get an affirmative from this list that it does work with > BaseX. > > My initial guesses is that I'd need to package my collator class as a jar > and install it in the Xquery module repository [2]. But how to use it from > there I'm not sure. Is BaseX able to automatically use it correctly if I > specify the correct URI as collation in the prolog "declare default > collation 'URI';"? > > I'd me more than glad to write about it in the documentation/wiki if I get > it working. > > Cheers! > Kristian > > [1] > http://docs.oracle.com/javase/7/docs/api/java/text/RuleBasedCollator.html > [2] http://docs.basex.org/wiki/Repository > >

> Hi Kristian, > > I would guess that custom Java collations won’t be detected > automatically, but I might be wrong ;) Did you try something similar > with other query processors (most notably, Saxon)? > > If it’s possible for you to provide me with a little self-contained > example, I could have a second look. > > Cheers > Christian > > > On Tue, Jul 5, 2016 at 2:35 PM, Kristian Kankainen > <kristian at keeleleek.ee> wrote: >> Hello again! >> >> I found a good amount of information [1] on how to do a custom Java >> collation for Apache Derby, including all the packaging and metainformation. >> >> Now the only uncertain point for me is: >> * where should I put the collation packaged as jar file >> * how to make BaseX aware of the new collation >> >> Best regards >> Kristian K >> >> [1] https://blogs.oracle.com/kah/entry/user_defined_collation_in_apache >> >> >> 05.07.2016 13:58 Kristian Kankainen kirjutas: >> >> Hello! >> >> In a lexicographic application I need a custom collation for ordering. The >> documentation for XML, Xquery and XSLT all somehow state that system >> available collations are to be used and all seem to support custom >> collations by specifying the URI. Is this possible also for custom created >> Java collators? >> >> I have been looking at the Java docs [1] and it looks easy enough for me, >> but I would like to get an affirmative from this list that it does work with >> BaseX. >> >> My initial guesses is that I'd need to package my collator class as a jar >> and install it in the Xquery module repository [2]. But how to use it from >> there I'm not sure. Is BaseX able to automatically use it correctly if I >> specify the correct URI as collation in the prolog "declare default >> collation 'URI';"? >> >> I'd me more than glad to write about it in the documentation/wiki if I get >> it working. >> >> Cheers! >> Kristian >> >> [1] >> http://docs.oracle.com/javase/7/docs/api/java/text/RuleBasedCollator.html >> [2] http://docs.basex.org/wiki/Repository >> >>

> first, could you tell me or add it to the docs, what it means to "If the ICU > Library is downloaded and added to the classpath ..." [1]. I think I should > act the same with my locale jar file. Does "added to the classpath" mean > simply the same as installing to the Xquery module repositorium?

> > Best > Kristian > > [1] http://docs.basex.org/wiki/XQuery_3.1#Collations > > [2] Xquery code: > declare namespace locale = "java:java.util.Locale"; > (locale:getAvailableLocales() ! locale:getLanguage(.)) > => distinct-values() > => sort() > > > > 05.07.2016 18:55 Christian Grün kirjutas: >> >> Hi Kristian, >> >> I would guess that custom Java collations won’t be detected >> automatically, but I might be wrong ;) Did you try something similar >> with other query processors (most notably, Saxon)? >> >> If it’s possible for you to provide me with a little self-contained >> example, I could have a second look. >> >> Cheers >> Christian >> >> >> On Tue, Jul 5, 2016 at 2:35 PM, Kristian Kankainen >> <kristian at keeleleek.ee> wrote: >>> >>> Hello again! >>> >>> I found a good amount of information [1] on how to do a custom Java >>> collation for Apache Derby, including all the packaging and >>> metainformation. >>> >>> Now the only uncertain point for me is: >>> * where should I put the collation packaged as jar file >>> * how to make BaseX aware of the new collation >>> >>> Best regards >>> Kristian K >>> >>> [1] https://blogs.oracle.com/kah/entry/user_defined_collation_in_apache >>> >>> >>> 05.07.2016 13:58 Kristian Kankainen kirjutas: >>> >>> Hello! >>> >>> In a lexicographic application I need a custom collation for ordering. >>> The >>> documentation for XML, Xquery and XSLT all somehow state that system >>> available collations are to be used and all seem to support custom >>> collations by specifying the URI. Is this possible also for custom >>> created >>> Java collators? >>> >>> I have been looking at the Java docs [1] and it looks easy enough for me, >>> but I would like to get an affirmative from this list that it does work >>> with >>> BaseX. >>> >>> My initial guesses is that I'd need to package my collator class as a jar >>> and install it in the Xquery module repository [2]. But how to use it >>> from >>> there I'm not sure. Is BaseX able to automatically use it correctly if I >>> specify the correct URI as collation in the prolog "declare default >>> collation 'URI';"? >>> >>> I'd me more than glad to write about it in the documentation/wiki if I >>> get >>> it working. >>> >>> Cheers! >>> Kristian >>> >>> [1] >>> http://docs.oracle.com/javase/7/docs/api/java/text/RuleBasedCollator.html >>> [2] http://docs.basex.org/wiki/Repository >>> >>> >