Thank you, Joern. When, are you planning to release SLF4J 2.0?





Joern Huxhorn <jhuxhorn@googlemail.com>
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03/24/2010 11:33 AM
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Re: [logback-dev] Parameterized logging






On 24.03.2010, at 16:18, Pavel Bortnovskiy wrote:


Hello:

I am a new subscriber to this list, so please forgive me if these questions have already been asked and answered.

Being quite experienced with log4j, migrating to Logback would probably be a relatively easy exercise. However, while reading the manual, I have a few questions, which might be best addressed to the developers, rather than the users.

1) using parameterized logging instead of wrapping the log statment in a conditional isEnabled, is very convenient, however I wonder whether there is an implementation of printf
function (or whether there are plans to do so). http://java.sun.com/j2se/1.5.0/docs/api/java/util/Formatter.html#format(java.lang.String, java.lang.Object...)
Implementation of log statements with such functionality and a variable arg list would be fairly trivial, but I found no references to such in Logback Javadocs, FAQ or search engine queries.

2) If the answer to (1) is NO, then is there an easy way to extend Logback to incorporate such functions?

Hi Pavel,

the answer is no, but varargs as well as extension of the parameterization mechanism is currently discussed in the following thread on the SLF4J-Dev list:
http://thread.gmane.org/gmane.comp.java.slf4j.devel/2805

Cheers,
Joern.
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