On Wed, Aug 19, 2015 at 7:59 PM, Gary Gregory <garydgreg...@gmail.com> wrote:
> On Sat, Aug 15, 2015 at 3:56 PM, Gary Gregory <garydgreg...@gmail.com> > wrote: > >> On Sat, Aug 15, 2015 at 3:07 PM, Ralph Goers <ralph.go...@dslextreme.com> >> wrote: >> >>> Why do you want to set the level on the LoggerConfig and all its >>> descendants? >>> >> >> Because I clearly did not educate myself fully in this topic. ;-) Hence I >> am looking for a shortcut by asking on the ML :-) >> >> >>> Setting the level just on the LoggerConfig will achieve the same thing, >>> so long as none of its descendants has a LoggerConfig >>> >> >> That's cool, but... How can I know if any descendant has a LoggerConfig? >> How can do this generically? >> > > Here is my proposal (including a test): > https://issues.apache.org/jira/secure/attachment/12751400/log4j.diff > > I am not crazy about the API name: setChildren(String loggerName, Level > level). > > Thoughts? > Anyone? Bueller? :-) > > Gary > > >> Gary >> >> >>> >>> Sent from my iPad >>> >>> On Aug 15, 2015, at 8:25 AM, Gary Gregory <garydgreg...@gmail.com> >>> wrote: >>> >>> Let's say I have a logger tree like: >>> >>> R >>> R.P >>> R.P.C1 >>> R.P.C1.L1 >>> R.P.C2.L2 >>> R.P.C2 >>> R.P.C2.L1 >>> R.P.C2.L2 >>> >>> and I want to set R.P.C2 and all it's descendants to a given level. >>> >>> In Log4j 1.2, I do: >>> >>> public static void setChildren(final Logger parentLogger, final >>> Level newLevel) { >>> final Enumeration<Logger> enumeration = >>> LogManager.getCurrentLoggers(); >>> while (enumeration.hasMoreElements()) { >>> final Logger logger = enumeration.nextElement(); >>> if (LoggerUtils.isChild(parentLogger, logger)) { >>> logger.setLevel(newLevel); >>> } >>> } >>> } >>> >>> private static boolean isChild(final Logger parentCandidate, final >>> Logger childCandidate) { >>> for (Category c = childCandidate; c != null; c = c.getParent()) { >>> if (c.equals(parentCandidate)) { >>> return true; >>> } >>> } >>> return false; >>> } >>> >>> I suppose I could determine parent/child with a startWith on the logger >>> name too. >>> >>> I there a better way to do this with the Core in v2 aside from iterating >>> over all loggers in a context and doing a kind of isChild()? Can additivity >>> be used for this? >>> >>> I'd like to add such a utility method to Configurator. >>> >>> Gary >>> >>> -- >>> E-Mail: garydgreg...@gmail.com | 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 >>> Home: http://garygregory.com/ >>> Tweet! http://twitter.com/GaryGregory >>> >>> >> >> >> -- >> E-Mail: garydgreg...@gmail.com | 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 >> Home: http://garygregory.com/ >> Tweet! http://twitter.com/GaryGregory >> > > > > -- > E-Mail: garydgreg...@gmail.com | 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 > Home: http://garygregory.com/ > Tweet! http://twitter.com/GaryGregory > -- E-Mail: garydgreg...@gmail.com | 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 Home: http://garygregory.com/ Tweet! http://twitter.com/GaryGregory
