diff options
Diffstat (limited to 'sandbox/event/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher.java')
| -rw-r--r-- | sandbox/event/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher.java | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/sandbox/event/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher.java b/sandbox/event/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher.java deleted file mode 100644 index f3bb8c04ae..0000000000 --- a/sandbox/event/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher.java +++ /dev/null @@ -1,232 +0,0 @@ -/* - * 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.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 NodeLauncher { - - static final Logger logger = Logger.getLogger(NodeLauncher.class.getName()); - private EquinoxHost host; - private BundleContext bundleContext; - - /** - * Constructs a new node launcher. - */ - private NodeLauncher() { - host = new EquinoxHost(); - bundleContext = host.start(); - } - - /** - * Returns a new launcher instance. - * - * @return a new launcher instance - */ - public static NodeLauncher newInstance() { - return new NodeLauncher(); - } - - /** - * 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 createNodeFromURL(String configurationURL) throws LauncherException { - return (T)node(configurationURL, null, 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, null, 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, null, bundleContext); - } - - /** - * Create a SCA node based on the discovery of the contribution on the classpath for the - * given classloader. This method should be treated a convenient shortcut with the following - * assumptions: - * <ul> - * <li>This is a standalone application and there is a deployable composite file on the classpath. - * <li>There is only one contribution which contains the deployable composite file physically in its packaging hierarchy. - * </ul> - * - * @param compositeURI The URI of the composite file relative to the root of the enclosing contribution - * @param classLoader The ClassLoader used to load the composite file as a resource. If the value is null, - * then thread context classloader will be used - * @return A newly created SCA node - */ - public <T> T createNodeFromClassLoader(String compositeURI, ClassLoader classLoader) throws LauncherException { - return (T)node(null, compositeURI, null, null, classLoader, bundleContext); - } - - public static void main(String[] args) throws Exception { - logger.info("Apache Tuscany SCA Node is starting..."); - - // Create a node launcher - NodeLauncher launcher = newInstance(); - - EquinoxHost equinox = launcher.host; - Object node = null; - ShutdownThread shutdown = null; - try { - - if (args.length ==1) { - - // Create a node from a configuration URI - String configurationURI = args[0]; - logger.info("SCA Node configuration: " + configurationURI); - node = launcher.createNodeFromURL(configurationURI); - } else { - - // Create a node from a composite URI and a contribution location - String compositeURI = args[0]; - String contributionLocation = args[1]; - logger.info("SCA composite: " + compositeURI); - logger.info("SCA contribution: " + contributionLocation); - node = launcher.createNode(compositeURI, new Contribution("default", contributionLocation)); - } - - // 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) { - stopNode(node); - } - if (equinox != null) { - equinox.stop(); - } - } - } - - public void destroy() { - if (host != null) { - host.stop(); - bundleContext = null; - } - } - - /** - * 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 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; - } - - public void run() { - try { - stopNode(node); - } catch (Exception e) { - // Ignore - } - try { - equinox.stop(); - } catch (Exception e) { - // Ignore - } - } - } -} |