diff options
Diffstat (limited to 'java/sca/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java')
| -rw-r--r-- | java/sca/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/java/sca/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java b/java/sca/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java deleted file mode 100644 index d8df30377b..0000000000 --- a/java/sca/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java +++ /dev/null @@ -1,303 +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.launcher; - -import static org.apache.tuscany.sca.node.launcher.NodeLauncherUtil.node; - -import java.io.File; -import java.io.IOException; -import java.net.MalformedURLException; -import java.net.URL; -import java.util.List; -import java.util.logging.Level; -import java.util.logging.Logger; - -import org.apache.commons.cli.CommandLine; -import org.apache.commons.cli.CommandLineParser; -import org.apache.commons.cli.HelpFormatter; -import org.apache.commons.cli.Option; -import org.apache.commons.cli.Options; -import org.apache.commons.cli.PosixParser; - -/** - * A launcher for SCA nodes in JSE. - * - * Agruments: - * [-c <compositeURI>]: The composite URI - * [-t <ttl>]: Time to live in milliseconds before the node is started - * contribution1 ... contributionN: A list of contribution files or URLs - * - * @version $Rev$ $Date$ - */ -public class NodeLauncher { - - static final Logger logger = Logger.getLogger(NodeLauncher.class.getName()); - - /** - * Constructs a new node launcher. - */ - private NodeLauncher() { - } - - /** - * 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); - } - - /** - * Creates a new SCA 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); - } - - /** - * Creates a new SCA 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); - } - - /** - * 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); - } - - static Options getCommandLineOptions() { - Options options = new Options(); - Option opt1 = new Option("c", "composite", true, "URI for the composite"); - opt1.setArgName("compositeURI"); - options.addOption(opt1); - Option opt2 = new Option("n", "node", true, "URI for the node configuration"); - opt2.setArgName("nodeConfigurationURI"); - options.addOption(opt2); - Option opt3 = new Option("t", "ttl", true, "Time to live"); - opt3.setArgName("timeToLiveInMilliseconds"); - // opt4.setType(long.class); - options.addOption(opt3); - return options; - } - - public static void main(String[] args) throws Exception { - CommandLineParser parser = new PosixParser(); - Options options = getCommandLineOptions(); - CommandLine cli = parser.parse(options, args); - - Object node = null; - ShutdownThread shutdown = null; - try { - while (true) { - if (cli.hasOption("node")) { - - // Create a node from a configuration URI - String configurationURI = cli.getOptionValue("node"); - logger.info("SCA Node configuration: " + configurationURI); - // Create a node launcher - NodeLauncher launcher = newInstance(); - node = launcher.createNodeFromURL(configurationURI); - } else { - - // Create a node from a composite URI and a contribution location - String compositeURI = cli.getOptionValue("composite"); - List<String> contribs = cli.getArgList(); - Contribution[] contributions = null; - if (!contribs.isEmpty()) { - contributions = new Contribution[contribs.size()]; - int index = 0; - for (String contrib : contribs) { - logger.info("SCA contribution: " + contrib); - URL url = null; - try { - url = new URL(contrib); - } catch(MalformedURLException e) { - url = new File(contrib).toURI().toURL(); - } - contributions[index] = new Contribution("contribution-" + index, url.toString()); - index++; - } - } else { - HelpFormatter formatter = new HelpFormatter(); - formatter.setSyntaxPrefix("Usage: "); - formatter.printHelp("java " + NodeLauncher.class.getName() - + " [-c <compositeURI>]" - + " [-t <ttl>]" - + " contribution1 ... contributionN", options); return; - } - // Create a node launcher - logger.info("SCA composite: " + compositeURI); - NodeLauncher launcher = newInstance(); - - node = launcher.createNode(compositeURI, contributions); - } - - logger.info("Apache Tuscany SCA Node is starting..."); - - // 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); - Runtime.getRuntime().addShutdownHook(shutdown); - - long ttl = Long.parseLong(cli.getOptionValue("ttl", "-1")); - if (ttl >= 0) { - logger.info("Waiting for " + ttl + " milliseconds ..."); - Thread.sleep(ttl); - // Stop the node - if (node != null) { - Object n = node; - node = null; - stopNode(n); - } - break; // Exit - } - - logger.info("Press 'q' to quit, 'r' to restart."); - int k = 0; - try { - while ((k != 'q') && (k != 'r')) { - k = System.in.read(); - } - } catch (IOException e) { - - // Wait forever - Object lock = new Object(); - synchronized(lock) { - lock.wait(); - } - } - - // Stop the node - if (node != null) { - Object n = node; - node = null; - stopNode(n); - } - - // Quit - if (k == 'q' ) { - break; - } - } - } catch (Exception e) { - // Stop the node - if (node != null) { - try { - Object n = node; - node = null; - stopNode(n); - } catch (Exception e2) { - } - } - throw e; - - } finally { - - // Remove the shutdown hook - if (shutdown != null) { - Runtime.getRuntime().removeShutdownHook(shutdown); - } - } - } - - /** - * 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; - - public ShutdownThread(Object node) { - super(); - this.node = node; - } - - @Override - public void run() { - try { - stopNode(node); - } catch (Exception e) { - // Ignore - } - } - } -} |