Log4j Version 1.2.14: Class LogLog

org.apache.log4j.helpers Class LogLog

java.lang.Object
  |
  +--org.apache.log4j.helpers.LogLog

public class LogLog

extends Object

This class used to output log statements from within the log4j package.

Log4j components cannot make log4j logging calls. However, it is sometimes useful for the user to learn about what log4j is doing. You can enable log4j internal logging by defining the log4j.configDebug variable.

All log4j internal debug calls go to System.out where as internal error messages are sent to System.err. All internal messages are prepended with the string "log4j: ".

Since:

0.8.2

Author:

Ceki Gülcü

DEBUG_KEY

public static final String DEBUG_KEY

Defining this value makes log4j print log4j-internal debug statements to System.out.

The value of this string is log4j.debug.

Note that the search for all option names is case sensitive.

CONFIG_DEBUG_KEY

public static final String CONFIG_DEBUG_KEY

Deprecated. Use DEBUG_KEY instead.

Defining this value makes log4j components print log4j-internal debug statements to System.out.

The value of this string is log4j.configDebug.

Note that the search for all option names is case sensitive.

debugEnabled

protected static boolean debugEnabled

LogLog

public LogLog()

setInternalDebugging

public static void setInternalDebugging(boolean enabled)

Allows to enable/disable log4j internal logging.

debug

public static void debug(String msg)

This method is used to output log4j internal debug statements. Output goes to System.out.

debug

public static void debug(String msg,
                         Throwable t)

This method is used to output log4j internal debug statements. Output goes to System.out.

error

public static void error(String msg)

This method is used to output log4j internal error statements. There is no way to disable error statements. Output goes to System.err.

error

public static void error(String msg,
                         Throwable t)

This method is used to output log4j internal error statements. There is no way to disable error statements. Output goes to System.err.

setQuietMode

public static void setQuietMode(boolean quietMode)

In quite mode no LogLog generates strictly no output, not even for errors.

Parameters:

quietMode - A true for not

warn

public static void warn(String msg)

This method is used to output log4j internal warning statements. There is no way to disable warning statements. Output goes to System.err.

warn

public static void warn(String msg,
                        Throwable t)

This method is used to output log4j internal warnings. There is no way to disable warning statements. Output goes to System.err.