1 files changed, 117 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1-RC1/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/EquinoxRuntime.java b/tags/java/sca/1.5.1-RC1/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/EquinoxRuntime.java
new file mode 100644
index 0000000000..43101b14c9
--- /dev/null
+++ b/tags/java/sca/1.5.1-RC1/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/EquinoxRuntime.java
@@ -0,0 +1,117 @@
+/*
+ * 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.osgi.runtime;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+import org.osgi.framework.BundleContext;
+
+/**
+ * Implementation of an OSGi Runtime using Equinox.
+ *
+ * @version $Rev$ $Date$
+ */
+public class EquinoxRuntime extends OSGiRuntime  {
+    
+    
+    private static BundleContext bundleContext;
+    
+    private static EquinoxRuntime instance;
+    
+    private static Class<?> eclipseStarterClass;
+    
+    public static OSGiRuntime getInstance() throws Exception {
+        if (instance == null) {
+            eclipseStarterClass = EquinoxRuntime.class.getClassLoader().loadClass("org.eclipse.core.runtime.adaptor.EclipseStarter");
+            EquinoxRuntime runtime = new EquinoxRuntime();
+            instance = runtime;
+        }
+        return instance;
+    }
+    
+    @Override
+    protected BundleContext startRuntime(boolean tuscanyRunningInOSGiContainer) throws Exception {
+        
+        if (bundleContext != null)
+            return bundleContext;
+                    
+        Method startupMethod = eclipseStarterClass.getMethod("startup", String [].class, Runnable.class);
+        
+        // Equinox version 3.2 upwards have a startup method which returns BundleContext
+        if (startupMethod.getReturnType() == BundleContext.class) {
+            bundleContext = (BundleContext) startupMethod.invoke(null, new String[] {"-clean", "-console"}, null );
+        }
+        else {
+            
+            // Older versions of Equinox don't have a public method to obtain system bundlecontext
+            // Extract bundleContext from the private field 'context'. We are assuming that 
+            // there is no access restriction
+            Method mainMethod = eclipseStarterClass.getMethod("main", String [].class);
+            mainMethod.invoke(null, (Object)new String[] {"-clean", "-console"});
+            
+            Field contextField = eclipseStarterClass.getDeclaredField("context");
+            contextField.setAccessible(true);
+            bundleContext = (BundleContext) contextField.get(null);
+            
+        }
+            
+        
+        return bundleContext;
+        
+    }
+
+    @Override
+    public BundleContext getBundleContext() {
+        return bundleContext;
+    }
+
+    @Override
+    protected void setBundleContext(BundleContext bundleContext) {
+        super.setBundleContext(bundleContext);
+        EquinoxRuntime.bundleContext = bundleContext;
+    }
+    
+    @Override
+    public void shutdown() throws Exception {
+
+        if (bundleContext == null)
+            return;
+        bundleContext = null;
+        instance = null;
+        if (eclipseStarterClass != null) {
+            Method shutdownMethod = eclipseStarterClass.getMethod("shutdown");
+            try {
+                shutdownMethod.invoke(eclipseStarterClass);
+            } catch (Exception e) {
+                // Ignore errors.
+            }
+        }
+        super.shutdown();
+    }
+
+
+    @Override
+    public boolean supportsBundleFragments() {
+        return false;
+    }
+    
+    
+
+}