You should be able to tell just by looking for “log4j.” as the prefix. Log4j 2 doesn’t do that anywhere.
Ralph > On Mar 8, 2016, at 12:44 PM, Gary Gregory <garydgreg...@gmail.com> wrote: > > Yes, I can make it work by looking for "log4j.rootLogger" for example, and I > guess if the v2 format changes we can add a property _then_ that says 2.6 or > 3.0 or whatever. > > Gary > > On Tue, Mar 8, 2016 at 11:39 AM, Matt Sicker <boa...@gmail.com > <mailto:boa...@gmail.com>> wrote: > Well, if the new config format doesn't prefix anything with log4j., then that > sounds like a safe way to check the version. Adding a version wouldn't work > with previously-written formats, so we'd still have to guess. > > On 8 March 2016 at 13:28, Gary Gregory <garydgreg...@gmail.com > <mailto:garydgreg...@gmail.com>> wrote: > I initially thought of adding a > > version=2 > > to our Log4j 2 properties file format. > > I am experimenting with code to read in 1.2 properties files to configure > Log4j 2, and I'd like an easy way to tell if I'm dealing with a version 2 > properly file. I thought that would be cleaner that looking for > "log4j.rootLogger" and deciding that means 1.2. > > I was thinking of putting a new ConfigurationFactory in log4j-api which means > it would kick in automatically if on the CP. It could look for a > log4j.rootLogger and do nothing if it does not find one. > > But would Log4j 2 then init itself correctly? > > I'm only thinking simple cases at first, you gotta start somewhere: Console. > > Gary > > -- > E-Mail: garydgreg...@gmail.com <mailto:garydgreg...@gmail.com> | > ggreg...@apache.org <mailto:ggreg...@apache.org> > Java Persistence with Hibernate, Second Edition > <http://www.manning.com/bauer3/> > JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> > Spring Batch in Action <http://www.manning.com/templier/> > Blog: http://garygregory.wordpress.com <http://garygregory.wordpress.com/> > Home: http://garygregory.com/ <http://garygregory.com/> > Tweet! http://twitter.com/GaryGregory <http://twitter.com/GaryGregory> > > > -- > Matt Sicker <boa...@gmail.com <mailto:boa...@gmail.com>> > > > > -- > E-Mail: garydgreg...@gmail.com <mailto:garydgreg...@gmail.com> | > ggreg...@apache.org <mailto:ggreg...@apache.org> > Java Persistence with Hibernate, Second Edition > <http://www.manning.com/bauer3/> > JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> > Spring Batch in Action <http://www.manning.com/templier/> > Blog: http://garygregory.wordpress.com <http://garygregory.wordpress.com/> > Home: http://garygregory.com/ <http://garygregory.com/> > Tweet! http://twitter.com/GaryGregory <http://twitter.com/GaryGregory>
