CODEWITHSUNDEEP
javainheritancelog4j
Woot4Moo
Woot4Moo

Reputation: 24316

Extend Log4JLogger and invoke subclass during runtime

I currently am using the SocketAppender in Log4J and have run into some issues with passing data over to a remote host, specifically around losing LocationInfo (class name, line number, etc). What I have done is the following: 

import org.apache.commons.logging.impl.Log4JLogger;

public class MyLogger extends Log4JLogger  
{  
    ...
       public void debug(Object message)  
       {   
           String extra = "Extra!";  
           super.debug(message + extra);
       }   
    ...
}

At runtime how can I change the following code to grab MyLogger instead of Log4JLogger? 

private static Log logger = LogFactory.getLog(Test.class);

Upvotes: 0

Views: 461

Answers (1)

dash1e
dash1e

Reputation: 7807

You don't have to extends Logger but implement your own Appender or extend the base Log4J Appender you need. For example you can extend AppenderSkeleton.

I cannot imagine exactly why do you need it. Another possibility could be use Log4J Mapped Diagnostic Context.

Upvotes: 1

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