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diff --git a/branches/sca-java-1.x/modules/osgi-runtime/LICENSE b/branches/sca-java-1.x/modules/osgi-runtime/LICENSE new file mode 100644 index 0000000000..43e91eb0b0 --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/LICENSE @@ -0,0 +1,203 @@ +
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
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+ 6. Trademarks. This License does not grant permission to use the trade
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diff --git a/branches/sca-java-1.x/modules/osgi-runtime/NOTICE b/branches/sca-java-1.x/modules/osgi-runtime/NOTICE new file mode 100644 index 0000000000..1325efd8bf --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/NOTICE @@ -0,0 +1,6 @@ +${pom.name}
+Copyright (c) 2005 - 2008 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+
diff --git a/branches/sca-java-1.x/modules/osgi-runtime/pom.xml b/branches/sca-java-1.x/modules/osgi-runtime/pom.xml new file mode 100644 index 0000000000..2b90e85d2d --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/pom.xml @@ -0,0 +1,69 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<project> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-modules</artifactId> + <version>1.4-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + <artifactId>tuscany-osgi-runtime</artifactId> + <name>Apache Tuscany OSGi Runtime Helper Library</name> + <dependencies> + <dependency> + <groupId>org.apache.felix</groupId> + <artifactId>org.apache.felix.main</artifactId> + <version>1.0.4</version> + </dependency> + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-core-spi</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + <dependency> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-extensibility-osgi</artifactId> + <version>1.4-SNAPSHOT</version> + </dependency> + </dependencies> + <build> + <plugins> + <plugin> + <groupId>org.apache.felix</groupId> + <artifactId>maven-bundle-plugin</artifactId> + <configuration> + <instructions> + <Bundle-Version>${tuscany.version}</Bundle-Version> + <Bundle-SymbolicName>org.apache.tuscany.sca.osgi.runtime + </Bundle-SymbolicName> + <Bundle-Description>${pom.name}</Bundle-Description> + <Export-Package>org.apache.tuscany.sca.osgi.runtime* + </Export-Package> + <Bundle-Activator>org.apache.tuscany.sca.osgi.runtime.OSGiBundleActivator + </Bundle-Activator> + <DynamicImport-Package>org.apache.felix.main,org.eclipse.core.runtime.adaptor + </DynamicImport-Package> + </instructions> + </configuration> + </plugin> + </plugins> + </build> +</project>
\ No newline at end of file diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/EquinoxRuntime.java b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/EquinoxRuntime.java new file mode 100644 index 0000000000..43101b14c9 --- /dev/null +++ b/branches/sca-java-1.x/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; + } + + + +} diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/FelixRuntime.java b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/FelixRuntime.java new file mode 100644 index 0000000000..f8b56c88d6 --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/FelixRuntime.java @@ -0,0 +1,253 @@ +/* + * 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.io.File; +import java.lang.reflect.Constructor; +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Properties; + +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleActivator; +import org.osgi.framework.BundleContext; + +/** + * Implementation of an OSGi Runtime using Felix. + * + * @version $Rev$ $Date$ + */ +public class FelixRuntime extends OSGiRuntime implements BundleActivator { + + private static BundleContext bundleContext; + + private static FelixRuntime instance; + + private static Class<?> felixMainClass; + private static Class<?> felixClass; + private static Object felix; + + public static OSGiRuntime getInstance() throws Exception { + if (instance == null) { + felixMainClass = FelixRuntime.class.getClassLoader().loadClass("org.apache.felix.main.Main"); + FelixRuntime runtime = new FelixRuntime(); + instance = runtime; + } + return instance; + } + + + private static void deleteDirectory(File dir) { + + File[] files = dir.listFiles(); + for (int i = 0; i < files.length; i++) { + if (files[i].isDirectory()) + deleteDirectory(files[i]); + else + files[i].delete(); + } + dir.delete(); + + } + + @Override + protected BundleContext startRuntime(boolean tuscanyRunningInOSGiContainer) throws Exception { + + if (bundleContext != null) + return bundleContext; + + + ClassLoader cl = FelixRuntime.class.getClassLoader(); + + felixClass = cl.loadClass("org.apache.felix.framework.Felix"); + Method propsMethod = felixMainClass.getMethod("loadConfigProperties"); + Properties props = (Properties)propsMethod.invoke(null); + + String profileDirName = ".felix"; + File targetDir = new File("target"); + if (targetDir.exists() && targetDir.isDirectory()) + profileDirName = "target/" + profileDirName; + File profileDir = new File(profileDirName); + if (profileDir.isDirectory()) + deleteDirectory(profileDir); + else + profileDir.delete(); + profileDir.mkdir(); + profileDir.deleteOnExit(); + + props.put("felix.cache.profiledir", profileDir.getAbsolutePath()); + props.put("felix.embedded.execution", "true"); + + String systemPackages = + "org.osgi.framework; version=1.3.0," + + "org.osgi.service.packageadmin; version=1.2.0, " + + "org.osgi.service.startlevel; version=1.0.0, " + + "org.osgi.service.url; version=1.0.0, " + + "org.osgi.util.tracker; version=1.3.2, " + + "javax.xml, " + + "javax.xml.datatype, " + + "javax.xml.namespace, " + + "javax.xml.parsers, " + + "javax.xml.transform, " + + "javax.xml.transform.dom, " + + "javax.xml.transform.sax, " + + "javax.xml.transform.stream, " + + "javax.xml.validation, " + + "javax.xml.xpath, " + + "org.apache.xerces.jaxp.datatype, " + + "org.w3c.dom, " + + "org.xml.sax, " + + "org.xml.sax.ext, " + + "org.xml.sax.helpers, " + + "javax.security.auth, " + + "javax.naming, " + + "javax.naming.spi, " + + "javax.naming.directory, " + + "javax.management, " + + "sun.misc"; + + + if (!tuscanyRunningInOSGiContainer) { + systemPackages = systemPackages + ", org.osoa.sca.annotations, org.osoa.sca"; + systemPackages = systemPackages + ", commonj.sdo, commonj.sdo.helper, org.apache.tuscany.sdo.helper, org.apache.tuscany.sdo.impl, org.apache.tuscany.sdo.model, org.apache.tuscany.sdo.model.impl"; + systemPackages = systemPackages + ", org.eclipse.emf.ecore, org.eclipse.emf.ecore.util, org.eclipse.emf.ecore.impl"; + } + props.put("org.osgi.framework.system.packages", systemPackages); + + try { + Constructor felixConstructor = felixClass.getConstructor(Map.class, List.class); + List<BundleActivator> activators = new ArrayList<BundleActivator>(); + + Class<?> autoActivatorClass = cl.loadClass("org.apache.felix.main.AutoActivator"); + Constructor autoActivatorConstructor = autoActivatorClass.getConstructor(Map.class); + BundleActivator autoActivator = (BundleActivator)autoActivatorConstructor.newInstance(props); + activators.add(autoActivator); + + felix = felixConstructor.newInstance(props, activators); + ((Bundle)felix).start(); + bundleContext = ((Bundle)felix).getBundleContext(); + + + } catch (Exception e) { + + // This is the older Felix API which has been retained temporarily to avoid build break + // TODO: Remove these once Felix 1.0.0 is released. + + Class<?> propertyResolverClass = cl.loadClass("org.apache.felix.framework.util.MutablePropertyResolver"); + Class<?> propertyResolverImplClass = cl.loadClass("org.apache.felix.framework.util.MutablePropertyResolverImpl"); + + Constructor implConstructor = propertyResolverImplClass.getConstructor(Map.class); + Object mutableProps = implConstructor.newInstance(props); + + + try { + Constructor felixConstructor = felixClass.getConstructor(propertyResolverClass, List.class); + List<BundleActivator> activators = new ArrayList<BundleActivator>(); + felix = felixConstructor.newInstance(mutableProps, activators); + ((Bundle)felix).start(); + bundleContext = ((Bundle)felix).getBundleContext(); + } catch (Exception e1) { + + + felix = felixClass.newInstance(); + Method startMethod = felixClass.getMethod("start", propertyResolverClass, List.class); + List<BundleActivator> activators = new ArrayList<BundleActivator>(); + BundleActivator activator = new FelixRuntime(); + activators.add(activator); + startMethod.invoke(felix, mutableProps, activators); + + synchronized (activator) { + int retries = 0; + while (bundleContext == null && retries++ < 10) { + activator.wait(1000); + } + } + } + } + + return bundleContext; + + } + + public void start(BundleContext context) throws Exception { + + bundleContext = context; + synchronized (this) { + this.notify(); + } + } + + public void stop(BundleContext context) throws Exception { + bundleContext = null; + } + + + + @Override + public BundleContext getBundleContext() { + return bundleContext; + } + + @Override + protected void setBundleContext(BundleContext bundleContext) { + super.setBundleContext(bundleContext); + FelixRuntime.bundleContext = bundleContext; + } + + + @Override + public void shutdown() throws Exception { + + if (bundleContext == null) + return; + bundleContext = null; + instance = null; + + // We could potentially use Felix.stopAndWait, but use timed wait for now because + // stopAndWait hangs with Felix 1.0.0 + if (felix instanceof Bundle) { + Bundle felixBundle = (Bundle)felix; + felixBundle.stop(); + int retries = 50; + synchronized (felix) { + while (retries-- > 0 && felixBundle.getState() != Bundle.UNINSTALLED) { + felix.wait(100); + } + } + } + else if (felix != null) { + Method shutdownMethod = felixClass.getMethod("shutdown"); + try { + shutdownMethod.invoke(felix); + } catch (Exception e) { + // Ignore errors + } + felix = null; + } + super.shutdown(); + } + + @Override + public boolean supportsBundleFragments() { + return false; + } + +} diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/KnopflerfishRuntime.java b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/KnopflerfishRuntime.java new file mode 100644 index 0000000000..19041daf50 --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/KnopflerfishRuntime.java @@ -0,0 +1,168 @@ +/* + * 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.io.BufferedReader; +import java.io.File; +import java.io.FileReader; +import java.lang.reflect.Constructor; +import java.lang.reflect.Method; +import java.util.Hashtable; + +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleContext; +import org.osgi.framework.BundleException; + +/** + * Implementation of an OSGi Runtime using Knopflerfish. + * + * @version $Rev$ $Date$ + */ +public class KnopflerfishRuntime extends OSGiRuntime { + + private static BundleContext bundleContext; + + private static KnopflerfishRuntime instance; + + + private static Class<?> frameworkClass; + + private static Object framework; + + public static OSGiRuntime getInstance() throws Exception { + if (instance == null) { + frameworkClass = KnopflerfishRuntime.class.getClassLoader().loadClass("org.knopflerfish.framework.Framework"); + KnopflerfishRuntime runtime = new KnopflerfishRuntime(); + instance = runtime; + } + return instance; + } + + + + // FIXME: Knopflerfish does not expose the methods used for configuration as public methods + // It may be worth using the private methods in org.knopflerfish.framework.Main for + // configuring using reflection if security policies allow it. + // For now, a simple configuration routine reads sca.xargs from the directory in + // the classpath which contains framework.jar. The entries in init.xargs starting with + // -install are assumed to be single-line entries with full bundle location. + // + @Override + protected BundleContext startRuntime(boolean tuscanyRunningInOSGiContainer) throws Exception { + + if (bundleContext != null) + return bundleContext; + + + + System.setProperty("org.knopflerfish.framework.bundlestorage", "memory"); + + Constructor frameworkConstructor = frameworkClass.getConstructor(Object.class); + framework = frameworkConstructor.newInstance(new KnopflerfishRuntime()); + Method launchMethod = frameworkClass.getMethod("launch", long.class); + launchMethod.invoke(framework, 0); + Method getContextMethod = frameworkClass.getMethod("getSystemBundleContext"); + bundleContext = (BundleContext)getContextMethod.invoke(framework); + + System.setProperty("com.gatespace.bundle.cm.store", "knopflerfish.store"); + File xargsFile = null; + String classpath = System.getProperty("java.class.path"); + String[] classpathEntries = classpath.split(System.getProperty("path.separator")); + for (int i = 0; i < classpathEntries.length; i++) { + if (classpathEntries[i].endsWith("framework.jar")) { + String path = classpathEntries[i].substring(0, classpathEntries[i].length() - "framework.jar".length()); + path = path + "sca.xargs"; + xargsFile = new File(path); + if (!xargsFile.exists()) + xargsFile = null; + break; + } + } + if (xargsFile != null) { + BufferedReader reader = new BufferedReader(new FileReader(xargsFile)); + String line; + Hashtable<String, Bundle> bundles = new Hashtable<String, Bundle>(); + while ((line = reader.readLine()) != null) { + line = line.trim(); + if (line.startsWith("-install")) { + try { + + String bundleLocation = line.substring("-install".length()).trim(); + Bundle bundle = bundleContext.installBundle(bundleLocation); + bundles.put(bundleLocation, bundle); + + } catch (BundleException e) { + e.printStackTrace(); + } + + } + if (line.startsWith("-start")) { + + try { + String bundleLocation = line.substring("-start".length()).trim(); + Bundle bundle = bundles.get(bundleLocation); + bundle.start(); + } catch (BundleException e) { + e.printStackTrace(); + } + } + } + } + + + return bundleContext; + + } + + @Override + public BundleContext getBundleContext() { + return bundleContext; + } + + @Override + protected void setBundleContext(BundleContext bundleContext) { + super.setBundleContext(bundleContext); + KnopflerfishRuntime.bundleContext = bundleContext; + } + + @Override + public void shutdown() throws Exception { + + if (bundleContext == null) + return; + bundleContext = null; + instance = null; + if (framework != null) { + Method shutdownMethod = frameworkClass.getMethod("shutdown"); + try { + shutdownMethod.invoke(framework); + } catch (Exception e) { + // Ignore errors + } + framework = null; + } + super.shutdown(); + + } + + @Override + public boolean supportsBundleFragments() { + return true; + } +} diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiBundleActivator.java b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiBundleActivator.java new file mode 100644 index 0000000000..b87f70deef --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiBundleActivator.java @@ -0,0 +1,252 @@ +/*
+ * 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.io.IOException;
+import java.net.URL;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashSet;
+
+import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
+import org.apache.tuscany.sca.extensibility.osgi.OSGiServiceDiscoverer;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleEvent;
+import org.osgi.framework.BundleListener;
+
+/**
+ * OSGi bundle activator, which is run when Tuscany is run inside an OSGi runtime.
+ *
+ * @version $Rev$ $Date$
+ */
+public class OSGiBundleActivator implements BundleActivator, BundleListener {
+
+ private static final String TUSCANY_SCA_BUNDLE_PREFIX = "org.apache.tuscany.sca";
+ private static final String TUSCANY_3RD_PARTY_BUNDLE_PREFIX = "org.apache.tuscany.sca.3rdparty";
+ private OSGiRuntime runtime;
+ /*
+ private ConcurrentHashMap<Bundle, ClassLoader> serviceDiscoveryClassLoaders =
+ new ConcurrentHashMap<Bundle, ClassLoader>();
+ */
+ private BundleClassLoader threadContextClassLoader;
+ private ClassLoader origTCCL;
+ private Bundle thisBundle;
+
+ public void start(BundleContext bundleContext) throws Exception {
+
+ initializeTuscanyClassLoaders(bundleContext);
+
+ runtime = OSGiRuntime.findRuntime();
+ runtime.setBundleContext(bundleContext);
+ runtime.setContextClassLoader(threadContextClassLoader);
+ runtime.initialize();
+
+ }
+
+ public void stop(BundleContext bundleContext) throws Exception {
+
+ // runtime.shutdown();
+
+ if (Thread.currentThread().getContextClassLoader() == threadContextClassLoader)
+ Thread.currentThread().setContextClassLoader(origTCCL);
+ }
+
+ /**
+ * Create a bundle ClassLoader which has visibility of all Tuscany related
+ * bundles. Use this ClassLoader as TCCL, and the Tuscany service discovery
+ * ClassLoader.
+ *
+ * @param bundleContext
+ */
+ private void initializeTuscanyClassLoaders(BundleContext bundleContext) {
+
+ OSGiServiceDiscoverer discoverer = new OSGiServiceDiscoverer(bundleContext);
+ ServiceDiscovery.getInstance().setServiceDiscoverer(discoverer);
+ thisBundle = bundleContext.getBundle();
+
+ origTCCL = Thread.currentThread().getContextClassLoader();
+
+ threadContextClassLoader = new BundleClassLoader(thisBundle, origTCCL);
+
+ Thread.currentThread().setContextClassLoader(threadContextClassLoader);
+
+ ClassLoader cl = new BundleClassLoader(thisBundle, null);
+ // ServiceDiscovery.getInstance().registerClassLoader(cl);
+ // serviceDiscoveryClassLoaders.put(thisBundle, cl);
+
+ Bundle[] bundles = bundleContext.getBundles();
+ for (Bundle bundle : bundles) {
+ updateBundleClassLoader(bundle);
+ }
+ bundleContext.addBundleListener(this);
+
+ }
+
+ /**
+ * Add an installed bundle to the list of bundles in the service discovery classpath
+ * if the installed bundle is a Tuscany bundle using the same Core-SPI bundle.
+ * Since the bundle containing this activator is in Tuscany Runtime, this bundle
+ * will provide access to Runtime and its dependencies (SPI, SCA-API). Third party
+ * bundles don't need to be in the service discovery classpath, since they will be automatically
+ * imported by bundles which require them. That leaves Tuscany extension bundles,
+ * which are added to the service discovery classpath here.
+ *
+ * 3rd party bundle should be explicitly added to TCCL since classes from these
+ * bundles use TCCL to load other classes from the bundle.
+ *
+ * Load one class from the bundle to check if the new bundle matches this runtime bundle.
+ *
+ * @param bundle
+ */
+ private void updateBundleClassLoader(Bundle bundle) {
+
+ if (bundle.getSymbolicName().startsWith(TUSCANY_SCA_BUNDLE_PREFIX)) {
+
+ // This may be the third party bundle.
+ if (bundle.getSymbolicName().startsWith(TUSCANY_3RD_PARTY_BUNDLE_PREFIX)) {
+
+ threadContextClassLoader.addBundle(bundle);
+ } else {
+
+ String thisBundleVersion = (String)thisBundle.getHeaders().get("Bundle-Version");
+ String bundleVersion = (String)bundle.getHeaders().get("Bundle-Version");
+
+ if (thisBundleVersion == null || bundleVersion == null || thisBundleVersion.equals(bundleVersion)) {
+
+ if (!threadContextClassLoader.bundles.contains(bundle)) {
+ ClassLoader cl = new BundleClassLoader(bundle, null);
+ // ServiceDiscovery.getInstance().registerClassLoader(cl);
+ // serviceDiscoveryClassLoaders.put(bundle, cl);
+ threadContextClassLoader.addBundle(bundle);
+ }
+ }
+ }
+ } else {
+ threadContextClassLoader.addBundle(bundle);
+ }
+ }
+
+ /**
+ * Handle bundle install/uninstall events
+ */
+ public void bundleChanged(BundleEvent event) {
+
+ Bundle bundle = event.getBundle();
+ if (event.getType() == BundleEvent.UNINSTALLED) {
+// ClassLoader cl = serviceDiscoveryClassLoaders.get(bundle);
+// if (cl != null) {
+// ServiceDiscovery.getInstance().unregisterClassLoader(cl);
+// }
+ threadContextClassLoader.removeBundle(bundle);
+ } else if (event.getType() == BundleEvent.INSTALLED) {
+ updateBundleClassLoader(bundle);
+ }
+ }
+
+ /**
+ * Bundle ClassLoader that searches a bundle classpath consisting of
+ * a list of bundles. The parent ClassLoader is searched only if a class
+ * cannot be loaded from the bundle classpath. Tuscany bundles are
+ * dynamically added and removed from the bundle classpath when the bundles
+ * are installed and uninstalled.
+ *
+ * No ordering of bundles is maintained at the moment.
+ *
+ */
+ private static class BundleClassLoader extends ClassLoader {
+
+ private HashSet<Bundle> bundles;
+
+ BundleClassLoader(Bundle bundle, ClassLoader parent) {
+ super(parent);
+ this.bundles = new HashSet<Bundle>();
+ bundles.add(bundle);
+ }
+
+ private synchronized void addBundle(Bundle bundle) {
+ bundles.add(bundle);
+ }
+
+ private synchronized void removeBundle(Bundle bundle) {
+ if (bundles.contains(bundle))
+ bundles.remove(bundle);
+ }
+
+ @Override
+ protected Class<?> findClass(String className) throws ClassNotFoundException {
+ Class<?> clazz = null;
+ synchronized (this) {
+ for (Bundle bundle : bundles) {
+ try {
+ clazz = bundle.loadClass(className);
+ break;
+ } catch (ClassNotFoundException e) {
+ } catch (NoClassDefFoundError e) {
+ }
+
+ }
+ }
+ if (clazz != null) {
+ return clazz;
+ }
+ return super.findClass(className);
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public Enumeration<URL> getResources(String resName) throws IOException {
+ HashSet<URL> urlSet = new HashSet<URL>();
+ Enumeration<URL> urls = null;
+ synchronized (this) {
+ for (Bundle bundle : bundles) {
+ urls = bundle.getResources(resName);
+ if (urls != null) {
+ while (urls.hasMoreElements()) {
+ urlSet.add(urls.nextElement());
+ }
+ }
+ }
+ }
+ if (urlSet.size() > 0)
+ return Collections.enumeration(urlSet);
+ return super.getResources(resName);
+ }
+
+ @Override
+ public URL getResource(String resName) {
+ URL url = null;
+ synchronized (this) {
+ for (Bundle bundle : bundles) {
+ url = bundle.getResource(resName);
+ if (url != null)
+ return url;
+ }
+ }
+ return super.getResource(resName);
+ }
+
+ @Override
+ public String toString() {
+ return "Tuscany BundleClassLoader " + bundles.iterator().next();
+ }
+
+ }
+}
diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntime.java b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntime.java new file mode 100644 index 0000000000..79b1c0a5f4 --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntime.java @@ -0,0 +1,275 @@ +/* + * 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.io.InputStream; +import java.lang.reflect.Method; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleContext; +import org.osgi.framework.BundleException; +import org.osgi.service.packageadmin.PackageAdmin; + +/** + * Base OSGiRuntime implementation. + * + * @version $Rev$ $Date$ + */ +public abstract class OSGiRuntime { + private static final Logger logger = Logger.getLogger(OSGiRuntime.class.getName()); + + public abstract BundleContext getBundleContext(); + + public abstract boolean supportsBundleFragments(); + + protected abstract BundleContext startRuntime(boolean tuscanyRunningInOSGiContainer) throws Exception; + + private static OSGiRuntime instance; + + private BundleContext bundleContext; + + private PackageAdmin packageAdmin; + + private boolean tuscanyRunningInOSGiContainer; + + private ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader(); + + /** + * System property org.apache.tuscany.implementation.osgi.runtime.OSGiRuntime can be set to the + * name of the OSGiRuntime class (eg. EquinoxRuntime). If set, start this runtime and return the + * system bundlecontext. If not set, start Equinox/Felix/Knopflerfish (in that order) from the + * classpath. + * + * @throws BundleException + */ + public static synchronized OSGiRuntime findRuntime() throws Exception { + + if (instance != null) { + + return instance; + } + String runtimeClassName = System.getProperty(OSGiRuntime.class.getName()); + + + if (runtimeClassName != null) { + try { + Class<?> runtimeClass = OSGiRuntime.class.getClassLoader().loadClass(runtimeClassName); + Method method = runtimeClass.getMethod("getInstance"); + instance = (OSGiRuntime) method.invoke(null); + return instance; + + } catch (Exception e) { + throw new BundleException("Could not start OSGi runtime " + runtimeClassName, e); + } + } + + try { + + instance = EquinoxRuntime.getInstance(); + return instance; + + } catch (ClassNotFoundException e) { + // Ignore + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + } + + try { + + instance = FelixRuntime.getInstance(); + return instance; + + } catch (ClassNotFoundException e) { + // Ignore + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + } + + try { + + instance = KnopflerfishRuntime.getInstance(); + return instance; + + } catch (ClassNotFoundException e) { + // Ignore + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + } + + throw new BundleException("Could not start OSGi runtime from the classpath"); + } + + + public static synchronized OSGiRuntime getRuntime() throws Exception { + return getRuntime(false); + } + + public static synchronized OSGiRuntime getRuntime(boolean tuscanyRunningInOSGiContainer) throws Exception { + + instance = findRuntime(); + + if (instance != null) { + + if (instance.bundleContext == null) { + instance.tuscanyRunningInOSGiContainer = tuscanyRunningInOSGiContainer; + instance.startRuntime(tuscanyRunningInOSGiContainer); + instance.initialize(); + } + return instance; + } + return instance; + } + + + public void shutdown() throws Exception { + + bundleContext = null; + packageAdmin = null; + } + + protected void setBundleContext(BundleContext bundleContext) { + instance.tuscanyRunningInOSGiContainer = true; + this.bundleContext = bundleContext; + } + + + + public ClassLoader getContextClassLoader() { + return contextClassLoader; + } + + protected void setContextClassLoader(ClassLoader contextClassLoader) { + this.contextClassLoader = contextClassLoader; + } + + protected void initialize() { + + bundleContext = getBundleContext(); + + if (bundleContext != null) { + + org.osgi.framework.ServiceReference packageAdminReference = + bundleContext.getServiceReference("org.osgi.service.packageadmin.PackageAdmin"); + if (packageAdminReference != null) { + + packageAdmin = (PackageAdmin)bundleContext.getService(packageAdminReference); + } + } + + } + + public Bundle findBundle(String bundleSymbolicName, String bundleVersion) { + + if (bundleContext != null) { + Bundle[] installedBundles = bundleContext.getBundles(); + for (Bundle bundle : installedBundles) { + if (bundleSymbolicName.equals(bundle.getSymbolicName()) && (bundleVersion == null || bundleVersion + .equals(bundle.getHeaders().get("Bundle-Version")))) + return bundle; + } + + } + return null; + } + + public static synchronized Bundle findInstalledBundle(String bundleLocation) { + if (instance != null) { + if (bundleLocation.startsWith("bundle:")||bundleLocation.startsWith("bundleresource:")) { + try { + return findInstalledBundle(new URL(bundleLocation)); + } catch (MalformedURLException e) { + // ignore + } + } else { + return instance.findBundle(bundleLocation); + } + } + return null; + } + + public static synchronized Bundle findInstalledBundle(URL bundleURL) { + if (instance != null) { + if (instance.bundleContext != null) { + Bundle[] installedBundles = instance.bundleContext.getBundles(); + for (Bundle bundle : installedBundles) { + try { + if (bundle.getEntry("/").getHost().equals(bundleURL.getHost())) + return bundle; + } catch (Exception e) { + // Ignore exception + } + } + } + return null; + } + return null; + } + + public Bundle findBundle(String bundleLocation) { + + if (bundleContext != null) { + Bundle[] installedBundles = bundleContext.getBundles(); + for (Bundle bundle : installedBundles) { + if (bundle.getLocation().equals(bundleLocation)) + return bundle; + } + + } + return null; + } + + public Bundle installBundle(String bundleLocation, InputStream inputStream) { + + try { + if (bundleContext != null) { + Bundle bundle = findBundle(bundleLocation); + if (bundle != null) + return bundle; + if (inputStream == null) + bundle = bundleContext.installBundle(bundleLocation); + else + bundle = bundleContext.installBundle(bundleLocation, inputStream); + + if (bundle != null && packageAdmin != null) + packageAdmin.refreshPackages(null); + + return bundle; + } + } catch (BundleException e) { + } + return null; + } + + /** + * Stops the OSGi instance. + * + * @throws Exception Failed to shutdown the OSGi instance. + */ + public static synchronized void stop() throws Exception { + if (instance != null && !instance.tuscanyRunningInOSGiContainer) { + instance.shutdown(); + instance = null; + } + } + +} diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntimeModuleActivator.java b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntimeModuleActivator.java new file mode 100644 index 0000000000..1dbe75f431 --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/src/main/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntimeModuleActivator.java @@ -0,0 +1,47 @@ +/* + * 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 org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ModuleActivator; + +/** + * @version $Rev$ $Date$ + */ +public class OSGiRuntimeModuleActivator implements ModuleActivator { + + /** + * @see org.apache.tuscany.sca.core.ModuleActivator#start(org.apache.tuscany.sca.core.ExtensionPointRegistry) + */ + public void start(ExtensionPointRegistry registry) { + } + + /** + * @see org.apache.tuscany.sca.core.ModuleActivator#stop(org.apache.tuscany.sca.core.ExtensionPointRegistry) + */ + public void stop(ExtensionPointRegistry registry) { + try { + OSGiRuntime.stop(); + } catch (Throwable e) { + // Ignore the exception + } + } + +} diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator b/branches/sca-java-1.x/modules/osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator new file mode 100644 index 0000000000..bd3fd72280 --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator @@ -0,0 +1,18 @@ +# 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.
+# Implementation class for the ModuleActivator
+org.apache.tuscany.sca.osgi.runtime.OSGiRuntimeModuleActivator
diff --git a/branches/sca-java-1.x/modules/osgi-runtime/src/test/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntimeTestCase.java b/branches/sca-java-1.x/modules/osgi-runtime/src/test/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntimeTestCase.java new file mode 100644 index 0000000000..7ce3f6c18f --- /dev/null +++ b/branches/sca-java-1.x/modules/osgi-runtime/src/test/java/org/apache/tuscany/sca/osgi/runtime/OSGiRuntimeTestCase.java @@ -0,0 +1,78 @@ +/* + * 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 junit.framework.TestCase; + +import org.osgi.framework.BundleContext; + +/** + * Test OSGi runtime. + * + * @version $Rev$ $Date$ + */ +public class OSGiRuntimeTestCase extends TestCase { + private OSGiRuntime runtime; + + /** + * @see junit.framework.TestCase#setUp() + */ + @Override + protected void setUp() throws Exception { + try { + this.runtime = OSGiRuntime.getRuntime(); + } catch ( Throwable e ) { + System.out.println( "DOB: OSGiRuntimeTestCase.setUp error=" + e ); + e.printStackTrace(); + } + } + + /** + * @see junit.framework.TestCase#tearDown() + */ + @Override + protected void tearDown() throws Exception { + OSGiRuntime.stop(); + } + + public void testRuntime() throws Exception { + + BundleContext bc1 = runtime.getBundleContext(); + + assertNotNull(bc1); + + BundleContext bc2 = runtime.getBundleContext(); + + assertNotNull(bc2); + + assertTrue(bc1 == bc2); + + OSGiRuntime.stop(); + runtime = OSGiRuntime.getRuntime(); + + BundleContext bc3 = runtime.getBundleContext(); + + assertNotNull(bc3); + + assertTrue(bc1 != bc3); + + } + +} |