1 files changed, 86 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M3-RC4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java b/tags/java/sca/2.0-M3-RC4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java
new file mode 100644
index 0000000000..43892d44d8
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java
@@ -0,0 +1,86 @@
+/*
+ * 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.impl;
+
+import static org.apache.tuscany.sca.node.osgi.impl.NodeManager.isSCABundle;
+
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleEvent;
+import org.osgi.framework.SynchronousBundleListener;
+
+/**
+ * Bundle activator to receive the BundleContext
+ */
+public class NodeActivator implements BundleActivator, SynchronousBundleListener {
+    private static BundleContext bundleContext;
+    private boolean inited;
+    private NodeManager manager;
+
+    private void init() {
+        synchronized (this) {
+            if (inited) {
+                return;
+            }
+            manager = new NodeManager(bundleContext);
+            manager.start();
+            bundleContext.addBundleListener(manager);
+            inited = true;
+        }
+    }
+
+    public void start(BundleContext context) throws Exception {
+        bundleContext = context;
+        boolean found = false;
+        for (Bundle b : context.getBundles()) {
+            if (isSCABundle(b)) {
+                found = true;
+                break;
+            }
+        }
+
+        if (found) {
+            init();
+        } else {
+            context.addBundleListener(this);
+        }
+    }
+
+    public void stop(BundleContext context) throws Exception {
+        context.removeBundleListener(this);
+        bundleContext = null;
+    }
+
+    public static BundleContext getBundleContext() {
+        return bundleContext;
+    }
+
+    public void bundleChanged(BundleEvent event) {
+        if (event.getType() == BundleEvent.STARTING) {
+            if (isSCABundle(event.getBundle())) {
+                bundleContext.removeBundleListener(this);
+                init();
+            }
+        }
+
+    }
+
+}