Shiby, please see the following thread. It provides exactly the info you need.
http://marc.theaimsgroup.com/?t=114505791700001&r=1&w=2 Jake Quoting Philip Denno <[EMAIL PROTECTED]>: > The approach you are taking is called using a "wrapper class". > > You need to use the generic "log" methods on Logger. See the Javadoc. > > Basically, what these methods do is do a backtrace on the call - stack > to find the method which called your wrapper method. > > One thing to keep in mind is that these methods are slower than the > equivalent level methods and may affect performance if doing signifigant > amounts of logging. > > Cheers, > Philip. > > -----Original Message----- > From: Shiby Maria John [mailto:[EMAIL PROTECTED] > Sent: Thursday, May 11, 2006 11:54 PM > To: log4j-user@logging.apache.org > Subject: [BULK] how to print line number > Importance: Low > > Hi, > > I have a framework that implements the logging by log4j. > Now my classes need to log using this and I need to print the line > number from where the log originally originated from. > > I will explain what I want with an example. > I have three classes which i am enclosing here. > > TestLogging.java (Test class for Logger) > 1 : import framework.logging.Logger; > 2 : import framework.logging.Log; > 3 : public class TestIflyLogging { > 4 : private static Logger log = Log.getLogger("TestLogging"); > 5 : public static void main(String[] args) { > 6 : log.debug("Start of main"); > 7 : log.info("Information"); > 8 : ... > 9 : } > 10 : } > > Log.java > 1 : package framework.logging; > 2 : public class Log { > 3 : public static Logger getLogger(String className) { > 4 : return new Logger(className); > 5 : } > 6 : } > > Logger.java > 1 : public class Logger { > 2 : org.apache.log4j.Logger cat; > 3 : Logger(String classname) { > 4 : if (classname == null) { > 5 : cat = org.apache.log4j.Logger.getRootLogger(); > 6 : } else { > 7 : cat = org.apache.log4j.Logger.getLogger(classname); > 8 : } > 9 : } > 10 : > 11 : public void debug(String message) { > 12 : cat.debug(message); > 13 : } > 14 : > 15 : public void warn(String message) { > 16 : cat.warn(message); > 17 : } > 18 : > 19 : public void error(String message) { > 20 : cat.error(message); > 21 : } > 22 : > 23 : public void fatal(String message) { > 24 : cat.fatal(message); > 25 : } > 26 : > 27 : public void info(String message) { > 28 : cat.info(message); > 29 : } > 30 : } > > This is my log4j.properties file. > # Set root logger level to DEBUG and its only appender to A1. > log4j.rootLogger=DEBUG, A1 > > # A1 is set to be a ConsoleAppender. > log4j.appender.A1=org.apache.log4j.ConsoleAppender > > # A1 uses PatternLayout. > log4j.appender.A1.layout=org.apache.log4j.PatternLayout > log4j.appender.A1.layout.ConversionPattern=%p: %l - %m%n > > This is the output that I get when I run TestLogging.java : > DEBUG: framework.logging.Logger.debug(Logger.java:12) - Start of main > INFO: framework.logging.Logger.info(Logger.java:28) - Information > > What I want is this output : > DEBUG: TestLogging.main(TestLogging.java:6) - Start of main > INFO: TestLogging.main(TestLogging.java:7) - Information > > Is there any way to acheive this?? > > Thanks in advance, > Shiby > > > > > > --------------------------------------------------------------------- > 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] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
