Package org.apache.velocity.runtime.log

Class LogDisplayWrapper

java.lang.Object

org.apache.velocity.runtime.log.Log

org.apache.velocity.runtime.log.LogDisplayWrapper

public class LogDisplayWrapper
extends Log

This is a wrapper around a log object, that can add a prefix to log messages and also turn logging on and off dynamically. It is mainly used to control the logging of VelociMacro generation messages but is actually generic enough code.

Since:

1.5

Version:

$Id: LogDisplayWrapper.java 685685 2008-08-13 21:43:27Z nbubna $

Field Summary

Fields

Modifier and Type	Field	Description
private final Log	log	The Log object we wrap
private final boolean	outputMessages	log messages only if true
private final String	prefix	The prefix to record with every log message

Constructor Summary

Constructors

Constructor	Description
LogDisplayWrapper(Log log, String prefix, boolean outputMessages)	Create a new LogDisplayWrapper

Method Summary

Modifier and Type	Method	Description
void	debug(boolean doLogging, Object message)	Log a debug message.
void	debug(boolean doLogging, Object message, Throwable t)	Log a debug message and accompanying Throwable.
void	error(boolean doLogging, Object message)	Log an error message.
void	error(boolean doLogging, Object message, Throwable t)	Log an error message and accompanying Throwable.
protected LogChute	getLogChute()	make sure that we always use the right LogChute Object
void	info(boolean doLogging, Object message)	Log an info message.
void	info(boolean doLogging, Object message, Throwable t)	Log an info message and accompanying Throwable.
protected void	log(boolean doLogging, int level, Object message)
protected void	log(boolean doLogging, int level, Object message, Throwable t)
protected void	log(int level, Object message)
protected void	log(int level, Object message, Throwable t)
void	trace(boolean doLogging, Object message)	Log a trace message.
void	trace(boolean doLogging, Object message, Throwable t)	Log a trace message and accompanying Throwable.
void	warn(boolean doLogging, Object message)	Log a warning message.
void	warn(boolean doLogging, Object message, Throwable t)	Log a warning message and accompanying Throwable.

Methods inherited from class org.apache.velocity.runtime.log.Log

debug, debug, error, error, formatFileString, formatFileString, formatFileString, formatFileString, info, info, isDebugEnabled, isErrorEnabled, isInfoEnabled, isTraceEnabled, isWarnEnabled, setLogChute, trace, trace, warn, warn

Methods inherited from class java.lang.Object

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

Field Details

prefix

private final String prefix

The prefix to record with every log message

outputMessages

private final boolean outputMessages

log messages only if true

log

private final Log log

The Log object we wrap

Constructor Details

LogDisplayWrapper

public LogDisplayWrapper(Log log,
 String prefix,
 boolean outputMessages)

Create a new LogDisplayWrapper

Parameters:

log - The Log object to wrap.

prefix - The prefix to record with all messages.

outputMessages - True when messages should actually get logged.

Method Details

getLogChute

protected LogChute getLogChute()

make sure that we always use the right LogChute Object

Overrides:

getLogChute in class Log

Returns:

The LogChute wrapped by this Log instance.

log

protected void log(int level,
 Object message)

Overrides:

log in class Log

See Also:

• Log.log(int, Object)

log

protected void log(boolean doLogging,
 int level,
 Object message)

log

protected void log(int level,
 Object message,
 Throwable t)

Overrides:

log in class Log

See Also:

• Log.log(int, Object, Throwable)

log

protected void log(boolean doLogging,
 int level,
 Object message,
 Throwable t)

trace

public void trace(boolean doLogging,
 Object message)

Log a trace message.

Parameters:

doLogging - Log only if this parameter is true.

message -

trace

public void trace(boolean doLogging,
 Object message,
 Throwable t)

Log a trace message and accompanying Throwable.

Parameters:

doLogging - Log only if this parameter is true.

message -

t -

debug

public void debug(boolean doLogging,
 Object message)

Log a debug message.

Parameters:

doLogging - Log only if this parameter is true.

message -

debug

public void debug(boolean doLogging,
 Object message,
 Throwable t)

Log a debug message and accompanying Throwable.

Parameters:

doLogging - Log only if this parameter is true.

message -

t -

info

public void info(boolean doLogging,
 Object message)

Log an info message.

Parameters:

doLogging - Log only if this parameter is true.

message -

info

public void info(boolean doLogging,
 Object message,
 Throwable t)

Log an info message and accompanying Throwable.

Parameters:

doLogging - Log only if this parameter is true.

message -

t -

warn

public void warn(boolean doLogging,
 Object message)

Log a warning message.

Parameters:

doLogging - Log only if this parameter is true.

message -

warn

public void warn(boolean doLogging,
 Object message,
 Throwable t)

Log a warning message and accompanying Throwable.

Parameters:

doLogging - Log only if this parameter is true.

message -

t -

error

public void error(boolean doLogging,
 Object message)

Log an error message.

Parameters:

doLogging - Log only if this parameter is true.

message -

error

public void error(boolean doLogging,
 Object message,
 Throwable t)

Log an error message and accompanying Throwable.

Parameters:

doLogging - Log only if this parameter is true.

message -

t -