Greg,
How about:
configDir = /usr/local/my_project/prod/logs
log4j.category.my_category=INFO, MY_Appender1, MY_Appender2, MY_Appender3,
MY_Appender4, MY_Appender5, MY_Appender6, MY_Appender7
...
log4j.appender.MY_Appender1.File=${configDir}/trace1.log
...
log4j.appender.MY_Appender2.File=${configDir}/trace2.log
...
log4j.appender.MY_Appender3.File=${configDir}/trace3.log
...
log4j.appender.MY_Appender4.File=${configDir}/trace4.log
...
log4j.appender.MY_Appender5.File=${configDir}/trace5.log
...
log4j.appender.MY_Appender6.File=${configDir}/trace6.log
...
log4j.appender.MY_Appender7.File=${configDir}/trace7.log
Log4j supports variable substitution in config files. Hope this helps. Ceki
At 15:34 14.03.2001 -0800, Greg Knight wrote:
>Hello,
>
>I am playing with Log4J using both FileAppender and RollingFileAppender. In
>defining the appenders (via a config file), I have a line similiar to:
>
>log4j.appender.MY_Appender1.File=trace.log
>
>My question is how do I make path to trace.log relative? The path will
>change based on the environment in which the code executes. For example, the
>fulll path in development might be c:\my_project\dev\logs\trace.log. In QA
>the path might be /usr/local/my_project/qa/logs/trace.log. In production it
>might be /usr/local/my_project/prod/logs/trace.log.
>
>While it is not that difficult to just change the config file, I would
>rather not have to put the full path in the config file for each file
>appender. The problem exacerbates when I have numerous file appenders
>declared in the config file. Each one would need to be different depending
>on which environment the code is hosted. Additionally, if I share the config
>file with other developers on the project, they will have to modify each
>file appender in the config file if their directory structure is different.
>
>What I would really like to do is following:
>
>/********************** config file ********************************/
>configDir = /usr/local/my_project/prod/logs/
>
>log4j.category.my_category=INFO, MY_Appender1, MY_Appender2, MY_Appender3,
>MY_Appender4, MY_Appender5, MY_Appender6, MY_Appender7
>...
>log4j.appender.MY_Appender1.File=trace1.log
>...
>log4j.appender.MY_Appender2.File=trace2.log
>...
>log4j.appender.MY_Appender3.File=trace3.log
>...
>log4j.appender.MY_Appender4.File=trace4.log
>...
>log4j.appender.MY_Appender5.File=trace5.log
>...
>log4j.appender.MY_Appender6.File=trace6.log
>...
>log4j.appender.MY_Appender7.File=trace7.log
>
>// other stuff
>
>/************** end of config file *****************************/
>
>/************ Java code *************************************/
>
>PropertyConfigurator.configure("config");
>Enumeration appenders = cat.getAllAppenders();
>while (appenders.hasMoreElements())
>{
> Appender = (Appender) appenders.nextElement();
> if (Appender instanceOf FileAppender)
> {
> FileAppender fa = (FileAppender) Appender;
> fa.setPath(props.getProperty("configDir"); //
>how do I do this
> }
>}
>
>Thanx,
>GK
>
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I hope to see you at my ApacheCon 2001 presentation
entitled "Log4j, A Logging Package for Java".
See http://ApacheCon.Com/2001/US/ for more details.
----
Ceki Gülcü Web: http://qos.ch
av. de Rumine 5 email: [EMAIL PROTECTED] (preferred)
CH-1005 Lausanne [EMAIL PROTECTED]
Switzerland Tel: ++41 21 351 23 15
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