CODEWITHSUNDEEP
javaswinglog4j
Nate
Nate

Reputation: 19442

Log4J Swing Appender

I need to append log4j content to a Swing component (JTextArea or similar). Is there a common way to do this?

Upvotes: 15

Views: 8229

Answers (3)

Nate
Nate

Reputation: 19442

Instead of introducing an external library, I ended up editing the log4j.properties file to include the following:

log4j.rootCategory=DEBUG, app
log4j.appender.app=path.to.class.extending.WriterAppender

Then I employed an observer pattern to post the data into my GUI's JTextArea.

Upvotes: 12

orcus
orcus

Reputation: 41

to make the JScrollPane wrapping the target component (e.g. JTextArea) automatically scroll down to show the latest log entries, consider calling:

  org.apache.log4j.lf5.viewer.LF5SwingUtils.makeVerticalScrollBarTrack(scrollPane);

Upvotes: 4

Nate
Nate

Reputation: 19442

Thanks to Google, I've obviously discovered the Log4j-Swing-Appender.

Upvotes: 7

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