Hi All, I took Jim Moore's suggestion in an old post to implement dynamic subject for the smtpappender.
(see http://www.mail-archive.com/[email protected]/msg01246.html) I found that gmail happens to be a very convenient place to throw error level logs and gmail also groups like subject headers together - so if an error throws 17 related log messages, gmail could group them together for you. But I couldn't get gmail to group things properly with static subject headers so I implemented a dynamic one. I've attached the code in this message for anyone interested. Here are some things to note: 1. In it's current state, the code is at best a hack. 2. It can be greatly improved from an efficiency standpoint. For instance, you could parse the subject pattern in the activateoptions() method and never parse it again. Also, you could figure out in the beginning if the person has put in any patterns at all. 3. Also, it doesn't support '{}' attributes for stuff like %c{1}, just %c. 4. Also, made %d print out a non-standard date string so it's easier to read for myself. If anyone is interested, I'd be happy to implement full pattern layout, clean up the code and make it more efficient. If not, at least the community can find this hack in case they want dynamic subjects. The code works for log4j 1.2.9 and I also tested it on jboss 3.2.3. I did had to add a few classes in the jboss log4j distribution that are missing from the standard log4j 1.2.9 distribution (namely .../log4j/jmx/* and .../log4j/or/jms). I avoided using anything deprecated: made no mention of the Category and Priority class. A quick look at the 1.3 alpha's smtpappender.java suggests that the code should work properly in 1.3 as well. If there is a better way to do this, please tell me, I'd rather not have to inject my hack into log4j every time there is a version change! Feel free to email me if you you're too lazy to compile it yourself. -Matthew Ma Lightspoke - Free Web Based Database http://www.lightspoke.com ===== Free Web-based Database Service __________________________________ Do you Yahoo!? Meet the all-new My Yahoo! - Try it today! http://my.yahoo.com
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