From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Thu, 26 Sep 2013 20:33:20 +0000
Subject: 2.0 branch for possible maintenance release

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sca/node/equinox/launcher/NodeLauncher2.java   | 217 +++++++++++++++++++++
 1 file changed, 217 insertions(+)
 create mode 100644 sca-java-2.x/branches/2.0/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java

(limited to 'sca-java-2.x/branches/2.0/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java')

diff --git a/sca-java-2.x/branches/2.0/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java b/sca-java-2.x/branches/2.0/modules/node-launcher-equinox/src/main/java/org/apache/tuscany/sca/node/equinox/launcher/NodeLauncher2.java
new file mode 100644
index 0000000000..14018a7af5
--- /dev/null
+++ b/sca-java-2.x/branches/2.0/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 $Rev$ $Date$
+ */
+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
+            }
+        }
+    }
+}
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