This looks interesting and leaning towards what would suit me. Forgive my ignorance, but I haven't seen any examples of how to use a filter in a configuration file. Can you point me to some examples?
Thanks, Frank --- Scott Deboy <[EMAIL PROTECTED]> wrote: > I have written a couple of filters that 'decorate' logging events - that > may be a better route to go. See PropertyFilter and ReflectionFilter > here: > http://cvs.apache.org/viewcvs.cgi/jakarta-log4j/src/java/org/apache/log4 > j/varia/ > > In particular, ReflectionFilter sets the 'renderedMessage' on the event, > which would probably be what you want to do. You may want to consider > relying on the Expression mechanism (see ExpressionFilter in the same > package) as a flexible way to determine which events have the filter > applied. > > I haven't worked much with PaternLayout so I'm not sure how you would > use it in a filter. > > Scott > > -----Original Message----- > From: F Kurzawa [mailto:[EMAIL PROTECTED] > Sent: Tuesday, July 27, 2004 10:37 AM > To: Log4J Users List > Subject: RE: Decorating output before RollingFileAppender > > > Hi Yoav, > > I might be able to do what I want by extending RollingFileAppender, but > a simpler solution for me would probably be to extend AsyncAppender to > accept a PatternLayout parameter and then apply it before outputting to > the next appender. > > Regardless, I was really hoping for a solution that would not require > extending log4j. I was hoping there was a way to decorate log entries > "inline" by passing them through some sort of filter, much the way that > AsyncAppender acts as a filter of sorts in front of another appender. > > Regards, > > Frank > > > --- "Shapira, Yoav" <[EMAIL PROTECTED]> wrote: > > > > > Hi, > > You can always extend either RollingFileAppender or PatternLayout to > > suit your own needs. That's a big plus of open-source and our ASF > > license ;) > > > > Yoav Shapira > > Millennium Research Informatics > > > > > > >-----Original Message----- > > >From: F Kurzawa [mailto:[EMAIL PROTECTED] > > >Sent: Tuesday, July 27, 2004 12:37 PM > > >To: Log4J Users List > > >Subject: RE: Decorating output before RollingFileAppender > > > > > >Hi James, > > > > > >Sorry I wasn't clearer. > > > > > >I need to be able to decorate the output BEFORE RollingFileAppender. > > This > > >is > > >because I need to have different lines laid out out differently > > depending > > >on > > >which logger that they came from. I don't have enough control with > > >the single PatternLayout within RFA to get the different formatting > > >that I need. > > > > > >The intuitively obvious approach was to use multiple > > RollingFileAppenders, > > >each > > >of which would write to the same file. But RollingFileAppender > > >becomes > > very > > >confused if other RFA's are writing to the same file, and the file > > starts > > >getting rotated willy-nilly as each RFA steps on the other. > > > > > >So that approach won't work. > > > > > >Regards, > > > > > >Frank > > > > > >--- James Stauffer <[EMAIL PROTECTED]> wrote: > > > > > >> RollingFileAppender extends FileAppender so it takes a > > >> PatternLayout > > >also. > > >> > > >> James Stauffer > > >> > > >> > > >> -----Original Message----- > > >> From: F Kurzawa [mailto:[EMAIL PROTECTED] > > >> Sent: Tuesday, July 27, 2004 10:55 AM > > >> To: Log4J Users List > > >> Subject: Decorating output before RollingFileAppender > > >> > > >> > > >> I want to format and modify my log4j output prior to sending to a > > >> RollingFileAppender. > > >> > > >> If there were functionality that would allow me to easily apply a > > >> PatternLayout prior to sending to a RollingFileAppender that would > > >> be > > >ideal. > > >> > > >> I can insert an AsyncAppender before my RollingFileAppender, but > > >> AsyncAppender does not take a PatternLayout parameter so it doesn't > > help. > > >> > > >> In fact, the only two appenders that take PatternLayout arguments > > >> are > > the > > >> *FileAppender's and ConsoleAppender. > > >> > > >> Is there a simple way to decorate my output with a PatternLayout > > >> (or > > some > > >> similar functionality) prior to its arrival in a > > >> RollingFileAppender? > > >> > > >> Thanks in advance, > > >> > > >> Frank > > >> > > > ===== > Frank Kurzawa > Topaz Software > [EMAIL PROTECTED] > > > > __________________________________ > Do you Yahoo!? > Y! Messenger - Communicate in real time. Download now. > http://messenger.yahoo.com > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > ===== Frank Kurzawa Topaz Software [EMAIL PROTECTED] __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
