com.dkfqs.tools.logging

Class NullLogAdapter

java.lang.Object

com.dkfqs.tools.logging.NullLogAdapter

All Implemented Interfaces:

LogAdapterInterface

public class NullLogAdapter
extends java.lang.Object
implements LogAdapterInterface

A log adapter which prints all to the null device - effects that nothing is logged.

See Also:

LogAdapterInterface

Field Summary

Fields inherited from interface com.dkfqs.tools.logging.LogAdapterInterface

LOG_DEBUG, LOG_ERROR, LOG_FATAL, LOG_INFO, LOG_OFF, LOG_TRACE, LOG_WARN, logLevelSet

Constructor Summary

Constructors

Constructor and Description
NullLogAdapter()

Method Summary

Modifier and Type	Method and Description
void	clearLog() Clear the log: This method take no effect because logging to the null device cannot cleared.
int	getLogLevel() Get the log level.
void	init(java.lang.String[] args) Initialize the log adapter.
void	message(int logLevel, java.util.ArrayList<java.lang.String> messageList) Log a list of messages.
void	message(int logLevel, java.lang.String message) Log a message.
void	message(int logLevel, java.lang.String context, java.util.ArrayList<java.lang.String> messageList) Log a list of messages.
void	message(int logLevel, java.lang.String context, java.lang.String message) Log a message.
void	message(int logLevel, java.lang.String context, java.lang.String message, java.lang.Throwable throwable) Log a message with a stack trace.
void	message(int logLevel, java.lang.String message, java.lang.Throwable throwable) Log a message with a stack trace.
void	messageStacktrace(int logLevel, java.lang.String message) Log a message, and log the stacktrace of the current thread.
void	messageStacktrace(int logLevel, java.lang.String message, java.lang.Throwable throwable) Log a message with a stack trace, and log the stacktrace of the current thread.
void	setLogLevel(int logLevel) Set the log level.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.dkfqs.tools.logging.LogAdapterInterface

logLevelToString, stringToLogLevel, verifyLogLevel

Constructor Detail

NullLogAdapter

public NullLogAdapter()

Method Detail

init

public void init(java.lang.String[] args)

Initialize the log adapter.

Specified by:

init in interface LogAdapterInterface

Parameters:

args - this log adapter does not support any initializing arguments, pass null or an empty array.

setLogLevel

public void setLogLevel(int logLevel)

Set the log level.

Specified by:

setLogLevel in interface LogAdapterInterface

Parameters:

logLevel - the log level to set

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

getLogLevel

public int getLogLevel()

Get the log level.

Specified by:

getLogLevel in interface LogAdapterInterface

Returns:

the log level

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

message

public void message(int logLevel,
                    java.lang.String message)

Log a message. Use as context the current thread name.

Specified by:

message in interface LogAdapterInterface

Parameters:

logLevel - the log level of the message

message - the message

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

message

public void message(int logLevel,
                    java.util.ArrayList<java.lang.String> messageList)

Log a list of messages.

Specified by:

message in interface LogAdapterInterface

Parameters:

logLevel - the log level of the messages

messageList - the list of messages

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

message

public void message(int logLevel,
                    java.lang.String context,
                    java.lang.String message)

Log a message.

Specified by:

message in interface LogAdapterInterface

Parameters:

logLevel - the log level of the message

context - the context of the message, which is normally the current thread name

message - the message

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

message

public void message(int logLevel,
                    java.lang.String context,
                    java.util.ArrayList<java.lang.String> messageList)

Log a list of messages.

Specified by:

message in interface LogAdapterInterface

Parameters:

logLevel - the log level of the messages

context - the context of the message, which is normally the current thread name

messageList - the list of messages

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

message

public void message(int logLevel,
                    java.lang.String message,
                    java.lang.Throwable throwable)

Log a message with a stack trace. Use as context the current thread name.

Specified by:

message in interface LogAdapterInterface

Parameters:

logLevel - the log level of the message

message - the message

throwable - the throwable used to generate the stack trace information

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

message

public void message(int logLevel,
                    java.lang.String context,
                    java.lang.String message,
                    java.lang.Throwable throwable)

Log a message with a stack trace.

Specified by:

message in interface LogAdapterInterface

Parameters:

logLevel - the log level of the message

context - the context of the message, which is normally the current thread name

message - the message

throwable - the throwable used to generate the stack trace information

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

messageStacktrace

public void messageStacktrace(int logLevel,
                              java.lang.String message)

Log a message, and log the stacktrace of the current thread.

Specified by:

messageStacktrace in interface LogAdapterInterface

Parameters:

logLevel - logLevel the log level of the message

message - the message

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

messageStacktrace

public void messageStacktrace(int logLevel,
                              java.lang.String message,
                              java.lang.Throwable throwable)

Log a message with a stack trace, and log the stacktrace of the current thread.

Specified by:

messageStacktrace in interface LogAdapterInterface

Parameters:

logLevel - logLevel the log level of the message

message - the message

throwable - the throwable used to generate the stack trace information

See Also:

LogAdapterInterface.LOG_DEBUG, LogAdapterInterface.LOG_TRACE, LogAdapterInterface.LOG_INFO, LogAdapterInterface.LOG_WARN, LogAdapterInterface.LOG_ERROR, LogAdapterInterface.LOG_FATAL, LogAdapterInterface.LOG_OFF

clearLog

public void clearLog()
              throws java.io.IOException

Clear the log: This method take no effect because logging to the null device cannot cleared.

Specified by:

clearLog in interface LogAdapterInterface

Throws:

java.io.IOException - if clearing of the log fails