courselog
Class DebugLogger

java.lang.Object
  courselog.DebugLogger

public class DebugLogger
extends java.lang.Object

Traces debugging in a TextArea and in System.out under Windows.

Field Summary

protected ewe.io.FileWriter	fLog Output log file.
boolean	ISCONTROLENABLED Configure the debug logger with a control.
boolean	ISFILEENABLED Configure the debug logger with a file.
protected boolean	isFreezed Freezed state.
protected ewe.ui.Control	logControl scrolling control where items are displayed.
java.lang.String	LOGFILE Dump file name.
protected ewe.ui.mTextPad	logPad Textpad where items are displayed.
protected java.lang.String	stLogContent logContent.

Constructor Summary

DebugLogger()
New instance of debuglogger.

Method Summary

void	addExceptionToLog(java.lang.Exception exL) Log an exception to the log file.
void	addToLog(java.lang.String msg) Adds a string at the end of the log and displays the last line.
protected int	countLines(java.lang.String st) Count the number of '\n' in a string to know the number of lines.
void	freezeLog() Freeze log refreshing to reduce 'real-time' disturbance.
ewe.ui.Control	getLogControl() Return the display control to any form that wants to display the logger.
boolean	isLogFreezed() Test log refreshing state.
void	setLog(java.lang.String msg) Set the log to the message, erasing previous content.
void	unFreezeLog() Remove Freezed log refreshing to allow 'real-time' logging.

Methods inherited from class java.lang.Object

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

Field Detail

ISCONTROLENABLED

public final boolean ISCONTROLENABLED

Configure the debug logger with a control.

See Also:

Constant Field Values

ISFILEENABLED

public final boolean ISFILEENABLED

Configure the debug logger with a file.

See Also:

Constant Field Values

LOGFILE

public final java.lang.String LOGFILE

Dump file name.

See Also:

Constant Field Values

logPad

protected ewe.ui.mTextPad logPad

Textpad where items are displayed.

logControl

protected ewe.ui.Control logControl

scrolling control where items are displayed.

stLogContent

protected java.lang.String stLogContent

logContent.

isFreezed

protected boolean isFreezed

Freezed state.

fLog

protected ewe.io.FileWriter fLog

Output log file.

Constructor Detail

DebugLogger

public DebugLogger()

New instance of debuglogger. Provides the textpad.

Method Detail

getLogControl

public ewe.ui.Control getLogControl()

Return the display control to any form that wants to display the logger.

Returns:

logControl reference.

addExceptionToLog

public void addExceptionToLog(java.lang.Exception exL)

Log an exception to the log file.

Parameters:

ex - Exception to log, with the stack trace.

addToLog

public void addToLog(java.lang.String msg)

Adds a string at the end of the log and displays the last line. Also sleeps 1s if called in a Thread to allow the user to see the display.

Parameters:

msg - Message to display. May contain '\n' characters.

setLog

public void setLog(java.lang.String msg)

Set the log to the message, erasing previous content.

Parameters:

msg - Message to display, may be multi-line using '\n' character.

freezeLog

public void freezeLog()

Freeze log refreshing to reduce 'real-time' disturbance.

unFreezeLog

public void unFreezeLog()

Remove Freezed log refreshing to allow 'real-time' logging.

isLogFreezed

public boolean isLogFreezed()

Test log refreshing state.

countLines

protected int countLines(java.lang.String st)

Count the number of '\n' in a string to know the number of lines. Used to set the textpad at its last line.

Parameters:

st - String where number of lines must be counted.

Returns:

Number of lines in the string.