001    /** 
002     * 
003     * Copyright 2004 Protique Ltd
004     * 
005     * Licensed under the Apache License, Version 2.0 (the "License"); 
006     * you may not use this file except in compliance with the License. 
007     * You may obtain a copy of the License at 
008     * 
009     * http://www.apache.org/licenses/LICENSE-2.0
010     * 
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS, 
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
014     * See the License for the specific language governing permissions and 
015     * limitations under the License. 
016     * 
017     **/
018    package org.activemq.spring;
019    
020    import org.activemq.broker.BrokerContainer;
021    import org.activemq.broker.BrokerContext;
022    import org.activemq.util.IdGenerator;
023    import org.springframework.core.io.ClassPathResource;
024    import org.springframework.core.io.FileSystemResource;
025    
026    import javax.jms.JMSException;
027    
028    /**
029     * A simple command line tool which runs a JMS Message Broker on the command line
030     * using a Spring XML deployment descriptor
031     *
032     * @version $Revision$
033     */
034    public class Main {
035    
036        /**
037         * run the Message Broker as a standalone application
038         *
039         * @param args
040         */
041        public static void main(String args[]) {
042            try {
043                String version = "";
044                Package p = Package.getPackage("org.activemq");
045                if (p != null) {
046                    version = ": " + p.getImplementationVersion();
047                }
048                System.out.println("ActiveMQ Message Broker (http://activemq.org/) " + version);
049                System.out.println();
050    
051                SpringBrokerContainerFactory factory = new SpringBrokerContainerFactory();
052                String file = null;
053                if (args.length <= 0) {
054                    System.out.println("Loading Message Broker from activemq.xml on the CLASSPATH");
055                    factory.setResource(new ClassPathResource("activemq.xml"));
056                }
057                else {
058                    file = args[0];
059    
060                    if (file.equals("-?") || file.equals("?") || file.equals("--help") || file.equals("-h")) {
061                        System.out.println("Usage: Main [xmlConfigFile]");
062                        System.out.println("If an XML config file is not specified then activemq.xml is used from the CLASSPAHT");
063                        return;
064                    }
065    
066                    System.out.println("Loading Message Broker from file: " + file);
067                    factory.setResource(new FileSystemResource(file));
068                }
069    
070                IdGenerator idgen = new IdGenerator();
071                BrokerContainer container = factory.createBrokerContainer(idgen.generateId(), BrokerContext.getInstance());
072                container.start();
073    
074                // lets wait until we're killed.
075                Object lock = new Object();
076                synchronized (lock) {
077                    lock.wait();
078                }
079            }
080            catch (JMSException e) {
081                System.out.println("Caught: " + e);
082                e.printStackTrace();
083                Exception le = e.getLinkedException();
084                System.out.println("Reason: " + le);
085                if (le != null) {
086                    le.printStackTrace();
087                }
088            }
089            catch (Exception e) {
090                System.out.println("Caught: " + e);
091                e.printStackTrace();
092            }
093        }
094    }