/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.net;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Properties;
import javax.jms.JMSException;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;
import javax.jms.TopicSession;
import javax.jms.TopicSubscriber;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.classic.util.ContextInitializer;
/**
* A simple application that consumes logging events sent by a {@link
* JMSTopicAppender}.
*
* @author Ceki Gülcü
*/
public class JMSTopicSink implements javax.jms.MessageListener {
private Logger logger = (Logger)LoggerFactory.getLogger(JMSTopicSink.class);
static public void main(String[] args) throws Exception {
if (args.length < 2) {
usage("Wrong number of arguments.");
}
String tcfBindingName = args[0];
String topicBindingName = args[1];
String username = null;
String password = null;
if (args.length == 4) {
username = args[2];
password = args[3];
}
LoggerContext loggerContext = (LoggerContext) LoggerFactory
.getILoggerFactory();
new ContextInitializer(loggerContext).autoConfig();
new JMSTopicSink(tcfBindingName, topicBindingName, username, password);
BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
// Loop until the word "exit" is typed
System.out.println("Type \"exit\" to quit JMSTopicSink.");
while (true) {
String s = stdin.readLine();
if (s.equalsIgnoreCase("exit")) {
System.out.println("Exiting. Kill the application if it does not exit "
+ "due to daemon threads.");
return;
}
}
}
public JMSTopicSink(String tcfBindingName, String topicBindingName,
String username, String password) {
try {
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.activemq.jndi.ActiveMQInitialContextFactory");
env.put(Context.PROVIDER_URL, "tcp://localhost:61616");
Context ctx = new InitialContext(env);
TopicConnectionFactory topicConnectionFactory;
topicConnectionFactory = (TopicConnectionFactory) lookup(ctx,
tcfBindingName);
System.out.println("Topic Cnx Factory found");
Topic topic = (Topic) ctx.lookup(topicBindingName);
System.out.println("Topic found: " + topic.getTopicName());
TopicConnection topicConnection = topicConnectionFactory
.createTopicConnection(username, password);
System.out.println("Topic Connection created");
TopicSession topicSession = topicConnection.createTopicSession(false,
Session.AUTO_ACKNOWLEDGE);
TopicSubscriber topicSubscriber = topicSession.createSubscriber(topic);
topicSubscriber.setMessageListener(this);
topicConnection.start();
System.out.println("Topic Connection started");
} catch (Exception e) {
logger.error("Could not read JMS message.", e);
}
}
public void onMessage(javax.jms.Message message) {
ILoggingEvent event;
try {
if (message instanceof ObjectMessage) {
ObjectMessage objectMessage = (ObjectMessage) message;
event = (ILoggingEvent) objectMessage.getObject();
Logger log = (Logger) LoggerFactory.getLogger(event.getLoggerName());
log.callAppenders(event);
} else {
logger.warn("Received message is of type " + message.getJMSType()
+ ", was expecting ObjectMessage.");
}
} catch (JMSException jmse) {
logger.error("Exception thrown while processing incoming message.", jmse);
}
}
protected Object lookup(Context ctx, String name)
throws NamingException {
try {
return ctx.lookup(name);
} catch (NameNotFoundException e) {
logger.error("Could not find name [" + name + "].");
throw e;
}
}
static void usage(String msg) {
System.err.println(msg);
System.err
.println("Usage: java "
+ JMSTopicSink.class.getName()
+ " TopicConnectionFactoryBindingName TopicBindingName Username Password");
System.exit(1);
}
}