diff options
| -rw-r--r-- | java/sca/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/java/sca/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java b/java/sca/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java new file mode 100644 index 0000000000..fc299b3d53 --- /dev/null +++ b/java/sca/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java @@ -0,0 +1,217 @@ +/*
+ * 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: 720905 $ $Date: 2008-11-26 15:47:28 +0000 (Wed, 26 Nov 2008) $
+ */
+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
+ }
+ }
+ }
+}
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