--- /dev/null
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.log4j.net;
+
+import org.apache.log4j.Logger;
+import org.apache.log4j.PropertyConfigurator;
+import org.apache.log4j.spi.LoggingEvent;
+import org.apache.log4j.xml.DOMConfigurator;
+
+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 java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+/**
+ * A simple application that consumes logging events sent by a {@link
+ * JMSAppender}.
+ *
+ *
+ * @author Ceki Gülcü
+ * */
+public class JMSSink implements javax.jms.MessageListener {
+
+ static Logger logger = Logger.getLogger(JMSSink.class);
+
+ static public void main(String[] args) throws Exception {
+ if(args.length != 5) {
+ usage("Wrong number of arguments.");
+ }
+
+ String tcfBindingName = args[0];
+ String topicBindingName = args[1];
+ String username = args[2];
+ String password = args[3];
+
+
+ String configFile = args[4];
+
+ if(configFile.endsWith(".xml")) {
+ DOMConfigurator.configure(configFile);
+ } else {
+ PropertyConfigurator.configure(configFile);
+ }
+
+ new JMSSink(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 JMSSink.");
+ 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 JMSSink( String tcfBindingName, String topicBindingName, String username,
+ String password) {
+
+ try {
+ Context ctx = new InitialContext();
+ TopicConnectionFactory topicConnectionFactory;
+ topicConnectionFactory = (TopicConnectionFactory) lookup(ctx,
+ tcfBindingName);
+
+ TopicConnection topicConnection =
+ topicConnectionFactory.createTopicConnection(username,
+ password);
+ topicConnection.start();
+
+ TopicSession topicSession = topicConnection.createTopicSession(false,
+ Session.AUTO_ACKNOWLEDGE);
+
+ Topic topic = (Topic)ctx.lookup(topicBindingName);
+
+ TopicSubscriber topicSubscriber = topicSession.createSubscriber(topic);
+
+ topicSubscriber.setMessageListener(this);
+
+ } catch(JMSException e) {
+ logger.error("Could not read JMS message.", e);
+ } catch(NamingException e) {
+ logger.error("Could not read JMS message.", e);
+ } catch(RuntimeException e) {
+ logger.error("Could not read JMS message.", e);
+ }
+ }
+
+ public void onMessage(javax.jms.Message message) {
+ LoggingEvent event;
+ Logger remoteLogger;
+
+ try {
+ if(message instanceof ObjectMessage) {
+ ObjectMessage objectMessage = (ObjectMessage) message;
+ event = (LoggingEvent) objectMessage.getObject();
+ remoteLogger = Logger.getLogger(event.getLoggerName());
+ remoteLogger.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 static 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 " + JMSSink.class.getName()
+ + " TopicConnectionFactoryBindingName TopicBindingName username password configFile");
+ System.exit(1);
+ }
+}