| /* |
| * 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.sling.crankstart.launcher; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.Callable; |
| |
| import org.apache.sling.provisioning.model.Model; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.BundleException; |
| import org.osgi.framework.launch.Framework; |
| import org.osgi.framework.launch.FrameworkFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** Setup the OSGi framework based on a provisioning model */ |
| @SuppressWarnings("serial") |
| public class FrameworkSetup extends HashMap<String, Object> implements Callable<Object> { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @SuppressWarnings("unchecked") |
| private <T> T require(String key, Class<T> desiredType) throws IllegalStateException { |
| final Object o = get(key); |
| if(o == null) { |
| throw new IllegalStateException("Missing required object:" + key); |
| } |
| if(!o.getClass().isAssignableFrom(desiredType)) { |
| throw new ClassCastException("Object '" + key + "' is not a " + desiredType.getName()); |
| } |
| return (T)o; |
| } |
| |
| public Object call() throws Exception { |
| final Model model = require(Launcher.MODEL_KEY, Model.class); |
| |
| log.info("Setting OSGi framework properties"); |
| final Map<String, String> fprops = new FrameworkProperties(model).getProperties(Launcher.ONLY_CRANKSTART_FILTER); |
| |
| log.info("Starting the OSGi framework"); |
| final FrameworkFactory factory = (FrameworkFactory)getClass().getClassLoader().loadClass("org.apache.felix.framework.FrameworkFactory").newInstance(); |
| final Framework framework = factory.newFramework(fprops); |
| framework.start(); |
| |
| final RunModeFilter rmFilter = new RunModeFilter(); |
| |
| final Configurations cfg = new Configurations(framework.getBundleContext(), model, rmFilter); |
| setShutdownHook(framework, new Closeable[] { cfg }); |
| log.info("OSGi framework started"); |
| |
| log.info("Installing bundles from provisioning model"); |
| final BundlesInstaller bi = new BundlesInstaller(model, rmFilter); |
| final BundleContext bc = framework.getBundleContext(); |
| bi.installBundles(bc, Launcher.NOT_CRANKSTART_FILTER); |
| cfg.maybeConfigure(); |
| |
| // TODO shall we gradually increase start levels like the launchpad does?? Reuse that DefaultStartupHandler code? |
| final Bundle [] bundles = bc.getBundles(); |
| log.info("Starting all bundles ({} bundles installed)", bundles.length); |
| int started = 0; |
| int failed = 0; |
| for(Bundle b : bundles) { |
| try { |
| b.start(); |
| started++; |
| } catch(BundleException be) { |
| failed++; |
| log.warn("Error starting bundle " + b.getSymbolicName(), be); |
| } |
| cfg.maybeConfigure(); |
| } |
| log.info("{} bundles started, {} failed to start, total {}", started, failed, bundles.length); |
| |
| log.info("OSGi setup done, waiting for framework to stop"); |
| framework.waitForStop(0); |
| |
| return null; |
| } |
| |
| private void setShutdownHook(final Framework osgiFramework, final Closeable ... toClose) { |
| // Shutdown the framework when the JVM exits |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| @Override |
| public void run() { |
| if(osgiFramework != null && osgiFramework.getState() == Bundle.ACTIVE) { |
| try { |
| log.info("Stopping the OSGi framework"); |
| osgiFramework.stop(); |
| log.info("Waiting for the OSGi framework to exit"); |
| osgiFramework.waitForStop(0); |
| log.info("OSGi framework stopped"); |
| } catch(Exception e) { |
| log.error("Exception while stopping OSGi framework", e); |
| } finally { |
| for(Closeable c : toClose) { |
| try { |
| c.close(); |
| } catch(IOException ignore) { |
| } |
| } |
| } |
| } |
| } |
| }); |
| } |
| } |