+1 from me. Hoping Gianugo is willing and able :) Thanks, dims
--- giacomo <[EMAIL PROTECTED]> wrote: > On Sun, 18 Nov 2001, Gianugo Rabellino wrote: > > I'd like to propose Gianugo Rabellino as a new commiter to the cocoon > community. He has produced alot of patches in the past and is very > engaged in the dbxml parts of cocoon which I think would be best if he > can do it directly in CVS rather than badging us with patches. > > Co-committers, your votes please. > > Giacomo > > > It took me (much) longer than I expected (unfortunately paid work is > > something you can't leave aside in these days), but finally I have a > > working first implementation of a pseudo-protocol based con the XML:DB API. > > > > Usage is as follows: > > > > 1. grab xmldb.jar, put it in the lib/ directory in order to compile the > > sources, build Cocoon as usually; > > > > 2. edit cocoon.xconf and go to the source-handler section. Add a > > configuration like this one: > > <source-handler> > > <protocol name="xmldb" > > class="org.apache.cocoon.components.source.XMLDBSourceFactory"> > > <driver type="dbxml" class="org.dbxml.client.xmldb.DatabaseImpl" /> > > <driver type="exist" class="exist.xmldb.DatabaseImpl" /> > > </protocol> > > </source-handler> > > > > 3. start playing with it as you do with the cocoon:// and resource:// > > protocols:) Use a JDBCish URI such as > > xmldb:dbxml://some.host.running.dbxml/a/collection/ or > > xmldb:exist://some.host.running.exist/a/collection/aresource.xml (the > > idea is that if you want to query a collection you should put a trailing > > slash). The idea is that the driver actual implementation (dbxml and > > exist) is looked up in the standard XML:DB URL format and the > > implementing class is taken from the configuration accordingly. > > > > As usual, please consider this as a donation to the ASF and feel free to > > decide about incorporating it in Cocoon. You might want to review the > > code, since this is my first implementation of a Source. > > > > Some random thoughts about the XML:DB stuff: > > > > 1. until now the compilation of the XML:DB stuff had been conditional. > > Given the fact that Apache itself will sponsor the Xindice project, I > > was wondering if it could be the case to have it compiled by default: > > all that needs to be done is adding xmldb.jar to the lib directory > > (which is less than 9K in size). > > > > 2. Given that the XML:DB API have no support at all for metadata, it's > > almost impossible to implement a caching algorithm (there is no way to > > tell what is the document size or the last modification date). I was > > thinking about the Avalon resource monitoring stuff, could it help in > > this case? > > > > 3. The next thing to do is to add XPath support. The code foundation is > > there, but an agreement is needed about the URL format. Given that an > > XPath query can be run only against a collection, I was thinking about > > implementing it as > > xmldb:adriver://ahost/acollection/?xpath=/my/xpath/query. But I'm very > > open to suggestions :) > > > > 4. If this pseudo-protocol proves to be useful and bug free the XML:DB > > generators might have little or no meaning: since they haven't made it > > into any RC this can be a proper timing to decide what to do with them. > > > > Enough for tonight, I'm eagerly waiting for your feedback, expect other > > patches in the days to come :) > > > > Ciao, > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, email: [EMAIL PROTECTED] > ===== Davanum Srinivas - http://jguru.com/dims/ __________________________________________________ Do You Yahoo!? Yahoo! GeoCities - quick and easy web site hosting, just $8.95/month. http://geocities.yahoo.com/ps/info1 --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
