OnJava-Examples/logging/ConfigureLogging.java at master · andreafm/OnJava-Examples

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// logging/ConfigureLogging.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

// {JVMArgs: -Djava.util.logging.config.file=log.prop}

// {ErrorOutputExpected}

import java.util.logging.*;

public class ConfigureLogging {

static Logger

lgr = Logger.getLogger("com"),

lgr2 = Logger.getLogger("com.mindviewinc"),

util= Logger.getLogger("onjava"),

test= Logger.getLogger("com.mindviewinc.test"),

rand = Logger.getLogger("random");

public ConfigureLogging() {

Set Additional formatters, Filters and

Handlers for the loggers here. You cannot

specify the Handlers for loggers except

the root logger from the configuration

file.

}

public static void main(String[] args) {

sendLogMessages(lgr);

sendLogMessages(lgr2);

sendLogMessages(util);

sendLogMessages(test);

sendLogMessages(rand);

}

private static void

sendLogMessages(Logger logger) {

System.out.println(" Logger Name : "

+ logger.getName() + " Level: "

+ logger.getLevel());

logger.finest("Finest");

logger.finer("Finer");

logger.fine("Fine");

logger.config("Config");

logger.info("Info");

logger.warning("Warning");

logger.severe("Severe");

}

/* Output:

Logger Name : com Level: null

Logger Name : com.mindviewinc Level: null

Logger Name : onjava Level: null

Logger Name : com.mindviewinc.test Level: null

Logger Name : random Level: null

___[ Error Output ]___