Package nxt.util

Class Logger

java.lang.Object

nxt.util.Logger

public final class Logger
extends java.lang.Object

Handle logging for the Nxt node server

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Logger.Event	Log event types
static class	Logger.Level	Log levels

Method Summary

Modifier and Type	Method	Description
static boolean	addExceptionListener(Listener<java.lang.Throwable> listener, Logger.Event eventType)	Add an exception listener
static boolean	addMessageListener(Listener<java.lang.String> listener, Logger.Event eventType)	Add a message listener
static void	init()	Logger initialization
static boolean	isDebugEnabled()
static boolean	isErrorEnabled()
static boolean	isInfoEnabled()
static boolean	isWarningEnabled()
static void	logDebugMessage(java.lang.String message)	Log a debug message
static void	logDebugMessage(java.lang.String format, java.lang.Object... args)	Log a debug message
static void	logDebugMessage(java.lang.String message, java.lang.Throwable exc)	Log a debug exception
static void	logErrorMessage(java.lang.String message)	Log an ERROR message
static void	logErrorMessage(java.lang.String message, java.lang.Throwable exc)	Log an ERROR exception
static void	logInfoMessage(java.lang.String message)	Log an INFO message
static void	logInfoMessage(java.lang.String format, java.lang.Object... args)	Log an INFO message
static void	logInfoMessage(java.lang.String message, java.lang.Throwable exc)	Log an INFO exception
static void	logMessage(java.lang.String message)	Log a message (map to INFO)
static void	logMessage(java.lang.String message, java.lang.Exception exc)	Log an exception (map to ERROR)
static void	logShutdownMessage(java.lang.String message)
static void	logShutdownMessage(java.lang.String message, java.lang.Exception e)
static void	logWarningMessage(java.lang.String message)	Log a WARNING message
static void	logWarningMessage(java.lang.String message, java.lang.Throwable exc)	Log a WARNING exception
static boolean	removeExceptionListener(Listener<java.lang.Throwable> listener, Logger.Event eventType)	Remove an exception listener
static boolean	removeMessageListener(Listener<java.lang.String> listener, Logger.Event eventType)	Remove a message listener
static void	setLevel(Logger.Level level)	Set the log level
static void	shutdown()	Logger shutdown

Methods inherited from class java.lang.Object

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

Method Detail

init

public static void init()

Logger initialization

shutdown

public static void shutdown()

Logger shutdown

setLevel

public static void setLevel(Logger.Level level)

Set the log level

Parameters:

level - Desired log level

addMessageListener

public static boolean addMessageListener(Listener<java.lang.String> listener,
                                         Logger.Event eventType)

Add a message listener

Parameters:

listener - Listener

eventType - Notification event type

Returns:

TRUE if listener added

addExceptionListener

public static boolean addExceptionListener(Listener<java.lang.Throwable> listener,
                                           Logger.Event eventType)

Add an exception listener

Parameters:

listener - Listener

eventType - Notification event type

Returns:

TRUE if listener added

removeMessageListener

public static boolean removeMessageListener(Listener<java.lang.String> listener,
                                            Logger.Event eventType)

Remove a message listener

Parameters:

listener - Listener

eventType - Notification event type

Returns:

TRUE if listener removed

removeExceptionListener

public static boolean removeExceptionListener(Listener<java.lang.Throwable> listener,
                                              Logger.Event eventType)

Remove an exception listener

Parameters:

listener - Listener

eventType - Notification event type

Returns:

TRUE if listener removed

logMessage

public static void logMessage(java.lang.String message)

Log a message (map to INFO)

Parameters:

message - Message

logMessage

public static void logMessage(java.lang.String message,
                              java.lang.Exception exc)

Log an exception (map to ERROR)

Parameters:

message - Message

exc - Exception

logShutdownMessage

public static void logShutdownMessage(java.lang.String message)

logShutdownMessage

public static void logShutdownMessage(java.lang.String message,
                                      java.lang.Exception e)

isErrorEnabled

public static boolean isErrorEnabled()

logErrorMessage

public static void logErrorMessage(java.lang.String message)

Log an ERROR message

Parameters:

message - Message

logErrorMessage

public static void logErrorMessage(java.lang.String message,
                                   java.lang.Throwable exc)

Log an ERROR exception

Parameters:

message - Message

exc - Exception

isWarningEnabled

public static boolean isWarningEnabled()

logWarningMessage

public static void logWarningMessage(java.lang.String message)

Log a WARNING message

Parameters:

message - Message

logWarningMessage

public static void logWarningMessage(java.lang.String message,
                                     java.lang.Throwable exc)

Log a WARNING exception

Parameters:

message - Message

exc - Exception

isInfoEnabled

public static boolean isInfoEnabled()

logInfoMessage

public static void logInfoMessage(java.lang.String message)

Log an INFO message

Parameters:

message - Message

logInfoMessage

public static void logInfoMessage(java.lang.String format,
                                  java.lang.Object... args)

Log an INFO message

Parameters:

format - Message format

args - Message args

logInfoMessage

public static void logInfoMessage(java.lang.String message,
                                  java.lang.Throwable exc)

Log an INFO exception

Parameters:

message - Message

exc - Exception

isDebugEnabled

public static boolean isDebugEnabled()

logDebugMessage

public static void logDebugMessage(java.lang.String message)

Log a debug message

Parameters:

message - Message

logDebugMessage

public static void logDebugMessage(java.lang.String format,
                                   java.lang.Object... args)

Log a debug message

Parameters:

format - Message format

args - Message args

logDebugMessage

public static void logDebugMessage(java.lang.String message,
                                   java.lang.Throwable exc)

Log a debug exception

Parameters:

message - Message

exc - Exception