Hi all,
I'm switching my first java desktop
application from log4j to logback, mainly because we neede a reliable DailyRollingFileAppender,
and we were told the log4j implementation is not.
So far all ok, we simply changed the
Logger declaration and all worked well.
The problem is our custom TextAreaAppender
we are currently using to log the events to a text area in the application.
The log4j implementation is very simple:
public class TextAreaAppender extends
WriterAppender {
static private JTextArea
jTextArea = null;
public static void setTextArea(JTextArea
jTextArea) {
TextAreaAppender.jTextArea
= jTextArea;
}
/**
* Format and then
append the loggingEvent to the stored JTextArea.
*/
public void append(LoggingEvent
loggingEvent) {
if (layout
!= null) {
final String message = layout.format(loggingEvent);
StringBuilder sb = new StringBuilder();
if (loggingEvent.getThrowableInformation() != null) {
String[] stackTrace = loggingEvent.getThrowableStrRep();
for (String s : stackTrace) {
sb.append(s);
sb.append(Layout.LINE_SEP);
}
}
final String stackTrace = sb.toString();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (jTextArea != null) {
jTextArea.append(message);
if (!stackTrace.isEmpty()) {
jTextArea.append(stackTrace);
}
}
}
});
}
}
}
I worked a couple of day but did not
manage to get a logback version of this appender to work. Do you have any
sample code available?
thanks in advance
Maurizio
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