| /* |
| * 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.node; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * A launcher for SCA nodes. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class NodeLauncher2 { |
| |
| static final Logger logger = Logger.getLogger(NodeLauncher2.class.getName()); |
| private EquinoxHost equinoxHost; |
| private BundleContext bundleContext; |
| |
| /** |
| * Constructs a new node launcher. |
| */ |
| private NodeLauncher2() { |
| equinoxHost = new EquinoxHost(); |
| bundleContext = equinoxHost.start(); |
| } |
| |
| /** |
| * Returns a new launcher instance. |
| * |
| * @return a new launcher instance |
| */ |
| public static NodeLauncher2 newInstance() { |
| return new NodeLauncher2(); |
| } |
| |
| /** |
| * Creates a new SCA node from the configuration URL |
| * |
| * @param configurationURL the URL of the node configuration which is the ATOM feed |
| * that contains the URI of the composite and a collection of URLs for the contributions |
| * |
| * @return a new SCA node. |
| * @throws LauncherException |
| */ |
| public <T> T createNode(String configurationURL) throws LauncherException { |
| return (T)node(configurationURL, null, null, null, bundleContext); |
| } |
| |
| /** |
| * Creates a new SCA OSGi Node. |
| * |
| * @param compositeURI the URI of the composite to use |
| * @param contributions the URI of the contributions that provides the composites and related |
| * artifacts. If the list is empty, then we will use the thread context classloader to discover |
| * the contribution on the classpath |
| * |
| * @return a new SCA node. |
| * @throws LauncherException |
| */ |
| public <T> T createNode(String compositeURI, Contribution... contributions) throws LauncherException { |
| return (T)node(null, compositeURI, null, contributions, bundleContext); |
| } |
| |
| /** |
| * Creates a new SCA OSGi Node. |
| * |
| * @param compositeURI the URI of the composite to use |
| * @param compositeContent the XML content of the composite to use |
| * @param contributions the URI of the contributions that provides the composites and related artifacts |
| * @return a new SCA node. |
| * @throws LauncherException |
| */ |
| public <T> T createNode(String compositeURI, String compositeContent, Contribution... contributions) |
| throws LauncherException { |
| return (T)node(null, compositeURI, compositeContent, contributions, bundleContext); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| logger.info("Apache Tuscany SCA Node is starting..."); |
| |
| // Create a node launcher |
| NodeLauncher2 launcher = newInstance(); |
| |
| EquinoxHost equinox = launcher.equinoxHost; |
| Object node = null; |
| ShutdownThread shutdown = null; |
| try { |
| |
| Contribution[] contributions = new Contribution[args.length]; |
| for (int i=0; i<args.length; i++) { |
| File f = new File(args[i]); |
| if (!f.exists()) { |
| System.err.println("contribution not found: " + f); |
| System.exit(1); |
| } |
| contributions[i] = new Contribution(f.toURI().toString(), f.toURI().toString()); |
| } |
| |
| // Create a node from a composite URI and a contribution location |
| // String contributionLocation = args[1]; |
| // logger.info("SCA composite: " + null); |
| // logger.info("SCA contribution: " + contributionLocation); |
| node = launcher.createNode(null, contributions); |
| |
| // Start the node |
| try { |
| node.getClass().getMethod("start").invoke(node); |
| } catch (Exception e) { |
| logger.log(Level.SEVERE, "SCA Node could not be started", e); |
| throw e; |
| } |
| logger.info("SCA Node 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) { |
| destroyNode(node); |
| } |
| if (equinox != null) { |
| equinox.stop(); |
| } |
| } |
| } |
| |
| public void destroy() { |
| if (equinoxHost != null) { |
| equinoxHost.stop(); |
| bundleContext = null; |
| } |
| } |
| |
| /** |
| * Stop the given node. |
| * |
| * @param node |
| * @throws Exception |
| */ |
| private static void destroyNode(Object node) throws Exception { |
| try { |
| node.getClass().getMethod("stop").invoke(node); |
| node.getClass().getMethod("destroy").invoke(node); |
| logger.info("SCA Node is now stopped."); |
| } catch (Exception e) { |
| logger.log(Level.SEVERE, "SCA Node 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 { |
| destroyNode(node); |
| } catch (Exception e) { |
| // Ignore |
| } |
| try { |
| equinox.stop(); |
| } catch (Exception e) { |
| // Ignore |
| } |
| } |
| } |
| } |