Hi, Thank you very much, I will take a look. In fact, I am migrating an existing application and yes, there was a "Classpath scanner" which automatically loads language files by example.
Thank you very much, Mathieu 2009/4/28 Neil Bartlett <[email protected]> > Mathieu, > > But where do you "receive" this URL from? It sounds like you have some > kind of classpath scanner... is that how you were handling > extensibility in your pre-OSGi code? > > What Stuart is saying (and I strongly agree with) is that in OSGi we > have a better way to handle this whole problem, called the Extender > Model. Rather than trying to adapt your existing classpath scanning > technique (which is fragile and hits this problem that resources URLs > are actually just logical URIs) you should adopting the extender model > because it does fit exactly with your requirements. > > If you want to read up on the extender model, check out Chapter 8 of > my (free!) book at http://neilbartlett.name/blog/osgibook > > Regards > Neil > > On Tue, Apr 28, 2009 at 10:26 AM, Triquoit Mathieu > <[email protected]> wrote: > > OK but I receive something like : bundle://140.0:1/org/mtr/resources. The > > package org.mtr.resources contains properties files and I would like to > load > > these files. Is there a URL Converter or something like that ? > > > > Thanks, > > > > 2009/4/27 Stuart McCulloch <[email protected]> > > > >> 2009/4/27 Triquoit Mathieu <[email protected]> > >> > >> > Dear, > >> > > >> > I am currently migrating an application to the OSGi concepts... and I > >> have > >> > a > >> > problem. In a general module (which could be a kind of framework), the > >> > application dynamically loads properties files. > >> > > >> > To do that, it receives a path and loops on the URLs, check the > protocol > >> to > >> > load the properties file (by example : if (protocol == file) ... else > if > >> > (protocol == jar) { <loop on the jar entry> } > >> > > >> > Now I receive the bundle protocol. How can I deal with that ? I would > >> like > >> > to do the same as for the jar (so open the Connection on the URL and > >> > receive > >> > something like a JarFile and loop on the JarEntry), is it possible ? > >> > >> > >> I'm not sure that the "bundle:" protocol is actually part of the OSGi > spec, > >> but you could simply open the connection and see if the returned input > >> stream is an instance of InflaterInputStream (or one of it's > sub-classes) > >> > >> you can then pass the stream onto the relevant class to read entries, > etc. > >> > >> you might also want to consider other ways you could achieve the same > >> results that fit better with the OSGi model, for example you could have > an > >> extender bundle that sits and watches for bundles being > started/installed > >> and then either uses manifest entries (or the OSGi resource APIs) to > look > >> for relevant property files inside the bundles and act on them > >> appropriately > >> > >> that's the approach taken in Spring-DM and other such frameworks > >> > >> Thank you in advance, > >> > Best regards, > >> > Mathieu > >> > > >> > >> -- > >> Cheers, Stuart > >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
