I don't have the time to write the receiver myself, but it's really easy
to do using the log4j 1.3 org.apache.log4j.xml.XMLDecoder. You can
still use your new receiver with the existing WebStart-available version
of Chainsaw at http://logging.apache.org/log4j/docs/chainsaw.html.
Here is what you would need to do:
- create a new class that extends org.apache.log4j.plugins.Receiver,
maybe called LogFileXMLReceiver
- add necessary setters/getters (for example, fileURL) to the receiver
- in activateOptions, start a new thread that processes the events
(logic below)
- jar up the new classes
- add the jar to $user.home/.chainsaw/plugins
- modify your Chainsaw xml config file to include a 'plugin' section
specifying this new receiver and required params
- start Chainsaw via web start
- in view-show application wide preferences, check the 'OK to remove
SecurityManager box' (allows Chainsaw to load the new jar from plugins
directory)
- in this same screen, under automatic configuration url, specify the
URL to your config file that includes your new receiver
- restart Chainsaw
- post the source back to the log4j dev list so we can add it as a
contribution to log4j 1.3
Here is the logic you'd use in the new thread that processes the events:
XMLDecoder decoder = new XMLDecoder();
Collection c;
try {
c = decoder.decode(new URL(fileURL);
for (Iterator iter = c.iterator();iter.hasNext();) {
doPost((LoggingEvent)iter.next());
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
Hope this helps,
Scott
-----Original Message-----
From: Michael Pitoniak [mailto:[EMAIL PROTECTED]
Sent: Friday, October 28, 2005 7:49 AM
To: [email protected]
Subject: Chainsaw Config help request
team,
can someone tell me how to configure chainsaw V2 to automatically load
an XML file on startup?
many thanks,
mike
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