jpicedt.ui.util
Class SystemOutUtilities

java.lang.Object
  jpicedt.ui.util.SystemOutUtilities

public class SystemOutUtilities
extends Object

A class that allow redirection of stderr and/or stdout to a log file. Invokation of this class must be done with "SystemOutUtilities.instance()" which return a reference to the singleton.

Since:

PicEdt 1.3

Version:

$Id: SystemOutUtilities.java,v 1.9 2013/03/27 06:50:06 vincentb1 Exp $

Author:

Sylvain Reynal

Field Summary

static int	FILE redirects stdout to a file named "jPicedtError.log"
static int	STANDARD doesn't redirect stdout to a file, ie redirect to console ; instead open a frame and displays the error message in it

Method Summary

void	displayDialog(boolean state) Sets the "displayDialog" flag, ie what must happen when an error message comes up and redir=FILE : do we open a JDialog or simply write the error message to the log file ?
static String	getErrorLogFile() Return the path to error.log
static SystemOutUtilities	instance() intanciates singleton if it's null, then returns it
void	redirect(int type) Redirect to the stream of the given type

Methods inherited from class java.lang.Object

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

Field Detail

STANDARD

public static final int STANDARD

doesn't redirect stdout to a file, ie redirect to console ; instead open a frame and displays the error message in it

See Also:

Constant Field Values

FILE

public static final int FILE

redirects stdout to a file named "jPicedtError.log"

See Also:

Constant Field Values

Method Detail

instance

public static SystemOutUtilities instance()

intanciates singleton if it's null, then returns it

redirect

public void redirect(int type)

Redirect to the stream of the given type

Parameters:

type - one of the predefinite SystemOutUtilities's redirection types

displayDialog

public void displayDialog(boolean state)

Sets the "displayDialog" flag, ie what must happen when an error message comes up and redir=FILE : do we open a JDialog or simply write the error message to the log file ? (obviously, calling this method if redir=STANDARD simply makes no sense)

Parameters:

state - if currentRedir = FILE and : - state==TRUE, enables opening a dialog box whenever some String is written to System.out A "watchdog" Thread is created for that purpose : System.out is redirected to a pipe, which the Thread watches periodically. - state==FALSE, redirect System.out directly to the "toFilePrintStream" FOS, and kill the watchdog Thread if it's still alive. Otherwise (ie currentRedir = STANDARD), we do nothing.

getErrorLogFile

public static String getErrorLogFile()

Return the path to error.log