001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. 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.apache.geronimo.system.main;
019
020 import java.io.IOException;
021 import java.io.InputStream;
022
023 import org.apache.geronimo.cli.CLParserException;
024 import org.apache.geronimo.cli.daemon.DaemonCLParser;
025 import org.apache.geronimo.kernel.KernelFactory;
026 import org.apache.geronimo.kernel.config.ConfigurationUtil;
027
028
029 /**
030 * @version $Rev:385659 $ $Date: 2007-06-23 23:48:40 -0400 (Sat, 23 Jun 2007) $
031 */
032 public class Daemon extends EmbeddedDaemon {
033
034 private Daemon() {
035 super(KernelFactory.newInstance().createKernel("geronimo"));
036 }
037
038 @Override
039 protected int initializeKernel() throws Exception {
040 ClassLoader classLoader = EmbeddedDaemon.class.getClassLoader();
041
042 // boot the kernel
043 try {
044 kernel.boot();
045 } catch (Exception e) {
046 e.printStackTrace();
047 return 1;
048 }
049
050 // add our shutdown hook
051 Runtime.getRuntime().addShutdownHook(new Thread("Geronimo shutdown thread") {
052 public void run() {
053 System.out.println("");
054 System.out.println("Server shutdown started");
055 kernel.shutdown();
056 System.out.println("Server shutdown completed");
057 }
058 });
059
060 // load this configuration
061 InputStream in = classLoader.getResourceAsStream("META-INF/config.ser");
062 try {
063 ConfigurationUtil.loadBootstrapConfiguration(kernel, in, classLoader);
064 } finally {
065 if (in != null) {
066 try {
067 in.close();
068 } catch (IOException ignored) {
069 // ignored
070 }
071 }
072 }
073 return 0;
074 }
075
076 /**
077 * Static entry point allowing a Kernel to be run from the command line.
078 *
079 * Once the Kernel is booted and the configuration is loaded, the process
080 * will remain running until the shutdown() method on the kernel is
081 * invoked or until the JVM exits.
082 *
083 * @param args the command line arguments
084 */
085 public static void main(String[] args) {
086 DaemonCLParser parser = new DaemonCLParser(System.out);
087 try {
088 parser.parse(args);
089 } catch (CLParserException e) {
090 System.err.println(e.getMessage());
091 parser.displayHelp();
092 System.exit(1);
093 }
094 new Daemon().execute(parser);
095 }
096 }