In your subclass on PatternLayout you can probably change the message by over-riding the format method.
On 3/23/07, Bret Schuhmacher <[EMAIL PROTECTED]> wrote:
Yes, thanks, that's what I've done. However, I cannot gain access to the fully rendered message, only the original message. I need access to the fully rendered message so I can do what I need to do. Rgds, Bret > -----Original Message----- > From: James Stauffer [mailto:[EMAIL PROTECTED] > Sent: Friday, March 23, 2007 10:57 AM > To: Log4J Users List > Subject: Re: Custom appender question about getRenderedMessage() > > I would extend PatternLayout to change the message and only extend > RollingFileAppender to alter the rollOver functionality. > > On 3/23/07, Bret Schuhmacher <[EMAIL PROTECTED]> wrote: > > Thanks, James. I did more digging around and was able to add a "%s" > > to my ConversionPattern using a custom PatternLayout subclass. I can > > get my custom text to print out where I want now. > > > > BUT - the custom text is based on the rest of the row - there is some > > amount of calculation that must be done based on the contents of the > > rest of the row. I need to get the *fully rendered message* as it > > would be written to the file so I can do the calculations and create > > the custom text that goes on the front. In addition, I need to alter > > the rollOver functionality, so I think subclassing the > > RollingFileAppender is needed. > > > > Unfortunately, getRenderedMessage just returns the original text of > > the message to be logged, not the message that has all the modifiers > > replaced (i.e. with time, thread, class, etc.). Is it possible to > get > > the fully rendered message? > > > > Thanks, > > > > Bret > > > > > > > -----Original Message----- > > > From: James Stauffer [mailto:[EMAIL PROTECTED] > > > Sent: Friday, March 23, 2007 10:03 AM > > > To: Log4J Users List > > > Subject: Re: Custom appender question about getRenderedMessage() > > > > > > If you want to change the text of the message, you shouldn't do > that > > in > > > the appender -- the layout is a much better place to do that. > > > > > > Can you just change your ConversionPattern to the following and not > > > subclass RollingFileAppender? > > > <my custom text> %d %5p [%t][%40C::%-20M(%3L)]-%m%n > > > > > > On 3/22/07, Bret Schuhmacher <[EMAIL PROTECTED]> wrote: > > > > Hi, > > > > > > > > I'm trying to extend RollingFileAppender. I want to manipulate > > > > the > > > > *complete* message that's logged by prepending something to the > > > > message just before it's dumped into the file. > > > > > > > > My custom class's append() tries to create a new LoggingEvent > from > > > the > > > > given LoggingEvent, prepending my text to the > > > > event.getRenderedMessage(), then calls > > > super.append(myNewLoggingEvent). > > > > Unfortunately, getRenderedMessage just returns the original > > > > message > > > I > > > > wanted logged, not the full message rendered with my > > > ConversionPattern. > > > > My ConversionPattern is set to this, btw: > > > > %d %5p [%t][%40C::%-20M(%3L)]-%m%n > > > > > > > > Said another way, I want this: > > > > logger.debug("my message"); > > > > > > > > to get rendered and written to file like this: > > > > <my custom text> 2007-03-22 19:05:05,615 DEBUG > > > > [main][com.xxxxxx.TestMain::<init> ( 26)]-my message > > > > > > > > Is there a way to make this happen? I can't seem to get my hands > > > > on the full, rendered message ("2007-03-22 19:05:05,615 DEBUG > > > > [main][com.xxxxxx.TestMain::<init> ( 26)]-my message") so I can > > > > prepend "<my custom text>". > > > > > > > > I've tried creating an ObjectRenderer, too, but I don't think > > > > that's the way I should go (is it?). If I could grab the full > > > > rendered message and prepend my String and then *reset* the > > > > rendered message > > I > > > > think I'd be fine, but I'm not sure... > > > > > > > > FWIW, I'm using 1.2.14. > > > > > > > > > > > > Thanks! > > > > > > > > Bret > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > For additional commands, e-mail: > > > > [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > -- > > > James Stauffer http://www.geocities.com/stauffer_james/ > > > Are you good? Take the test at http://www.livingwaters.com/good/ > > > > > > ------------------------------------------------------------------- > - > > > - 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] > > > > > > > -- > James Stauffer http://www.geocities.com/stauffer_james/ > Are you good? Take the test at http://www.livingwaters.com/good/ > > --------------------------------------------------------------------- > 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]
-- James Stauffer http://www.geocities.com/stauffer_james/ Are you good? Take the test at http://www.livingwaters.com/good/ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
