1 files changed, 152 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleActivator.java b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleActivator.java
new file mode 100644
index 0000000000..af13d2ee98
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleActivator.java
@@ -0,0 +1,152 @@
+/*
+ * 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.contribution.osgi.impl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.jar.JarInputStream;
+import java.util.jar.Manifest;
+
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleException;
+import org.osgi.framework.Constants;
+
+/**
+ * The Bundle Activator that receives the BundleContext
+ */
+public class OSGiBundleActivator implements BundleActivator {
+    private static BundleContext bundleContext;
+
+    public static BundleContext getBundleContext() {
+        return bundleContext;
+    }
+
+    public void start(BundleContext context) throws Exception {
+        bundleContext = context;
+    }
+
+    public void stop(BundleContext context) throws Exception {
+        bundleContext = null;
+    }
+
+    public static Bundle findBundle(URL bundleURL) {
+        if (bundleContext == null) {
+            return null;
+        }
+        Bundle[] installedBundles = bundleContext.getBundles();
+        for (Bundle bundle : installedBundles) {
+            URL root = bundle.getEntry("/");
+            if (root != null && root.getHost() != null && root.getHost().equals(bundleURL.getHost())) {
+                return bundle;
+            }
+        }
+        return null;
+    }
+
+    public static Bundle findBundle(String symbolicName, String version) {
+        if (bundleContext == null) {
+            return null;
+        }
+        Bundle[] bundles = bundleContext.getBundles();
+        if (version == null) {
+            version = "0.0.0";
+        }
+        for (Bundle b : bundles) {
+            String v = (String)b.getHeaders().get(Constants.BUNDLE_VERSION);
+            if (v == null) {
+                v = "0.0.0";
+            }
+            if (b.getSymbolicName().equals(symbolicName) && (version.equals("0.0.0") || v.equals(version))) {
+                return b;
+            }
+        }
+        return null;
+    }
+
+    public static Bundle installBundle(String location, InputStream is) throws BundleException {
+        getBundleContext();
+        return bundleContext.installBundle(location, is);
+    }
+
+    public static Bundle installBundle(String location) throws BundleException, IOException {
+        getBundleContext();
+
+        URL url = new URL(location);
+        Bundle bundle = null;
+        InputStream is = url.openStream();
+        JarInputStream jar = new JarInputStream(is);
+
+        Manifest manifest = jar.getManifest();
+        jar.close();
+        if (manifest != null) {
+            String symbolicName = manifest.getMainAttributes().getValue(Constants.BUNDLE_SYMBOLICNAME);
+            String version = manifest.getMainAttributes().getValue(Constants.BUNDLE_VERSION);
+            if (symbolicName != null) {
+                bundle = findBundle(symbolicName, version);
+                if (bundle != null) {
+                    return bundle;
+                }
+            } else {
+                return null;
+            }
+        } else {
+            return null;
+        }
+        try {
+            is = url.openStream();
+            bundle = bundleContext.installBundle(location, is);
+        } finally {
+            is.close();
+        }
+        return bundle;
+    }
+
+    public static Bundle findBundleByLocation(String bundleLocation) {
+        if (bundleContext != null) {
+            Bundle[] installedBundles = bundleContext.getBundles();
+            for (Bundle bundle : installedBundles) {
+                if (bundle.getLocation().equals(bundleLocation))
+                    return bundle;
+            }
+        }
+        return null;
+    }
+
+    public static Bundle findBundle(String bundleLocation) {
+        if (bundleContext != null) {
+            if (bundleLocation.startsWith("bundle:") || bundleLocation.startsWith("bundleresource:")
+                || bundleLocation.startsWith("bundleentry:")) {
+                try {
+                    return findBundle(new URL(bundleLocation));
+                } catch (MalformedURLException e) {
+                    // ignore
+                }
+            } else {
+                return findBundleByLocation(bundleLocation);
+            }
+        }
+        return null;
+    }
+
+}