/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.APL file. */
package org.apache.log4j.net;
import org.apache.log4j.AppenderSkeleton;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.log4j.Category;
import org.apache.log4j.Hierarchy;
import org.apache.log4j.or.MessageRenderer;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.helpers.LogLog;
import javax.jms.*;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
/**
A simple application receiving the logging events sent by a JMSAppender.
@author Ceki Gülcü
*/
public class JMSSink {
static public void main(String[] args) {
if(args.length != 3) {
usage("Wrong number of arguments.");
}
String tcfBindingName = args[0];
String topicBindingName = args[1];
PropertyConfigurator.configure(args[2]);
Category.getDefaultHierarchy().addRenderer(Message.class,
new MessageRenderer());
try {
Context ctx = new InitialContext();
TopicConnectionFactory topicConnectionFactory;
topicConnectionFactory = (TopicConnectionFactory) lookup(ctx,
tcfBindingName);
TopicConnection topicConnection =
topicConnectionFactory.createTopicConnection();
topicConnection.start();
TopicSession topicSession = topicConnection.createTopicSession(false,
Session.AUTO_ACKNOWLEDGE);
Topic topic = (Topic)ctx.lookup(topicBindingName);
//TopicSubscriber topicSubscriber = topicSession.createSubscriber(topic);
TopicSubscriber topicSubscriber =
topicSession.createDurableSubscriber(topic, "x");
LoggingEvent event;
Category remoteCategory;
while(true) {
ObjectMessage msg = (ObjectMessage)topicSubscriber.receive();
event = (LoggingEvent) msg.getObject();
remoteCategory = Category.getInstance(event.categoryName);
remoteCategory.callAppenders(event);
// dump the JMSMessage
// remoteCategory.debug(msg);
}
} catch(Exception e) {
LogLog.error("Could not read JMS message.", e);
}
}
protected
static
Object lookup(Context ctx, String name) throws NamingException {
try {
return ctx.lookup(name);
} catch(NameNotFoundException e) {
LogLog.error("Could not find name ["+name+"].");
throw e;
}
}
static
void usage(String msg) {
System.err.println(msg);
System.err.println("Usage: java " + JMSSink.class.getName()
+ " TopicConnectionFactoryBindingName TopicBindingName configFile");
System.exit(1);
}
}