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diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/node-launcher-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/launcher/NodeLauncher.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/node-launcher-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/launcher/NodeLauncher.java
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+/*
+ * 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.osgi.launcher;
+
+import static org.apache.tuscany.sca.node.osgi.launcher.NodeLauncherUtil.node;
+
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * A launcher for SCA nodes.
+ *
+ * @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 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);
+ }
+
+ /**
+ * 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);
+ }
+
+ /**
+ * 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);
+ }
+
+ public static void main(String[] args) throws Exception {
+ logger.info("Apache Tuscany SCA OSGi Node is starting...");
+
+ // Create a node
+ NodeLauncher launcher = newInstance();
+
+ OSGiHost host = NodeLauncherUtil.startOSGi();
+ try {
+
+ Object node;
+ if (args.length == 1) {
+
+ // Create from a configuration URI
+ String configurationURI = args[0];
+ logger.info("SCA OSGi Node configuration: " + configurationURI);
+ node = launcher.createNodeFromURL(configurationURI);
+ } else {
+
+ // Create 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 OSGi Node could not be started", e);
+ throw e;
+ }
+ logger.info("SCA OSGi Node is now started.");
+
+ logger.info("Press Enter to shutdown...");
+ try {
+ System.in.read();
+ } catch (IOException e) {
+ }
+
+ // Stop the node
+ try {
+ node.getClass().getMethod("stop").invoke(node);
+ } catch (Exception e) {
+ logger.log(Level.SEVERE, "SCA OSGi Node could not be stopped", e);
+ throw e;
+ }
+ } finally {
+ NodeLauncherUtil.stopOSGi(host);
+ }
+ }
+
+}