| /* |
| * 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.tuscany.sca.node.equinox.launcher; |
| |
| import static org.apache.tuscany.sca.node.equinox.launcher.NodeLauncherUtil.nodeDaemon; |
| |
| import java.io.IOException; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * A launcher for the SCA Node daemon. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class NodeDaemonLauncher { |
| |
| static final Logger logger = Logger.getLogger(NodeDaemonLauncher.class.getName()); |
| |
| /** |
| * Constructs a new node daemon launcher. |
| */ |
| private NodeDaemonLauncher() { |
| } |
| |
| /** |
| * Returns a new launcher instance. |
| * |
| * @return a new launcher instance |
| */ |
| public static NodeDaemonLauncher newInstance() { |
| return new NodeDaemonLauncher(); |
| } |
| |
| /** |
| * Creates a new node daemon. |
| * |
| * @param |
| * @return a new node daemon |
| * @throws LauncherException |
| */ |
| public <T> T createNodeDaemon() throws LauncherException { |
| return (T)nodeDaemon(); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| logger.info("Apache Tuscany SCA Node Daemon is starting..."); |
| |
| // Create a node launcher |
| NodeDaemonLauncher launcher = newInstance(); |
| |
| EquinoxHost equinox = null; |
| Object node = null; |
| ShutdownThread shutdown = null; |
| try { |
| |
| // Start the OSGi host |
| equinox = new EquinoxHost(); |
| equinox.start(); |
| |
| // Start the node |
| node = launcher.createNodeDaemon(); |
| try { |
| node.getClass().getMethod("start").invoke(node); |
| } catch (Exception e) { |
| logger.log(Level.SEVERE, "SCA Node Daemon could not be started", e); |
| throw e; |
| } |
| logger.info("SCA Node Daemon is now started."); |
| |
| // Install a shutdown hook |
| shutdown = new ShutdownThread(node, equinox); |
| Runtime.getRuntime().addShutdownHook(shutdown); |
| |
| logger.info("Press enter to shutdown."); |
| try { |
| System.in.read(); |
| } catch (IOException e) { |
| |
| // Wait forever |
| Object lock = new Object(); |
| synchronized(lock) { |
| lock.wait(); |
| } |
| } |
| } finally { |
| |
| // Remove the shutdown hook |
| if (shutdown != null) { |
| Runtime.getRuntime().removeShutdownHook(shutdown); |
| } |
| |
| // Stop the node |
| if (node != null) { |
| stopNode(node); |
| } |
| if (equinox != null) { |
| equinox.stop(); |
| } |
| } |
| } |
| |
| /** |
| * Stop the given node. |
| * |
| * @param node |
| * @throws Exception |
| */ |
| private static void stopNode(Object node) throws Exception { |
| try { |
| node.getClass().getMethod("stop").invoke(node); |
| logger.info("SCA Node Daemon is now stopped."); |
| } catch (Exception e) { |
| logger.log(Level.SEVERE, "SCA Node Daemon could not be stopped", e); |
| throw e; |
| } |
| } |
| |
| private static class ShutdownThread extends Thread { |
| private Object node; |
| private EquinoxHost equinox; |
| |
| public ShutdownThread(Object node, EquinoxHost equinox) { |
| super(); |
| this.node = node; |
| this.equinox = equinox; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| stopNode(node); |
| } catch (Exception e) { |
| // Ignore |
| } |
| try { |
| equinox.stop(); |
| } catch (Exception e) { |
| // Ignore |
| } |
| } |
| } |
| } |