[logback-dev] Parameterized logging

[Pavel Bortnovskiy]

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






Joern Huxhorn <jhuxhorn at googlemail.com> 
Sent by: logback-dev-bounces at qos.ch
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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