com.github.jjYBdx4IL.utils

Class Log4JUtils

java.lang.Object

com.github.jjYBdx4IL.utils.Log4JUtils

public class Log4JUtils
extends Object

This class uses reflection to access log4j and thereby avoids any explicit log4j dependencies. The contained methods silently fall back to noop if log4j cannot be found on the class path.

Author:

jjYBdx4IL

Field Summary

Fields

Modifier and Type	Field and Description
static String	APPENDER_IFACE_NAME
static String	DEFAULT_LOG_PATTERN
static String	FILE_APPENDER_CLASS_NAME
static String	LAYOUT_CLASS_NAME
static String	LOG_MGR_CLASS_NAME
static String	LOGGER_CLASS_NAME
static String	PATTERN_LAYOUT_CLASS_NAME

Method Summary

Modifier and Type	Method and Description
static void	addFileAppender(String filename) Convenience method for addFileAppender(String,String).
static void	addFileAppender(String filename, String logPattern) Beware!

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_LOG_PATTERN

public static final String DEFAULT_LOG_PATTERN

See Also:

Constant Field Values

PATTERN_LAYOUT_CLASS_NAME

public static final String PATTERN_LAYOUT_CLASS_NAME

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Constant Field Values

LAYOUT_CLASS_NAME

public static final String LAYOUT_CLASS_NAME

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Constant Field Values

LOG_MGR_CLASS_NAME

public static final String LOG_MGR_CLASS_NAME

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Constant Field Values

LOGGER_CLASS_NAME

public static final String LOGGER_CLASS_NAME

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Constant Field Values

FILE_APPENDER_CLASS_NAME

public static final String FILE_APPENDER_CLASS_NAME

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Constant Field Values

APPENDER_IFACE_NAME

public static final String APPENDER_IFACE_NAME

See Also:

Constant Field Values

Method Detail

addFileAppender

public static void addFileAppender(String filename)

Convenience method for addFileAppender(String,String). Uses DEFAULT_LOG_PATTERN.

Parameters:

filename - the file for appending log messages

addFileAppender

public static void addFileAppender(String filename,
                                   String logPattern)

Beware! This method adds the appender to the root looger. If there are other logger elements specified in your log4j configuration (file), you need to set their additivity attribute to true.

Parameters:

filename - the file for appending log messages

logPattern - the log line pattern to use