| /* |
| * 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.launchpad.startupmanager; |
| |
| import org.apache.sling.launchpad.api.LaunchpadContentProvider; |
| import org.apache.sling.launchpad.api.StartupHandler; |
| import org.apache.sling.launchpad.api.StartupListener; |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceRegistration; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.management.Attribute; |
| import javax.management.AttributeList; |
| import javax.management.MBeanServer; |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectName; |
| import java.lang.management.ManagementFactory; |
| import java.util.Hashtable; |
| |
| public class Activator implements BundleActivator { |
| |
| private static final Logger log = LoggerFactory.getLogger(Activator.class); |
| |
| private StartupListenerTracker startupListenerTracker; |
| |
| @Override |
| public void start(final BundleContext bundleContext) { |
| startupListenerTracker = new StartupListenerTracker(bundleContext); |
| registerMBeanServer(bundleContext); |
| try { |
| registerMBeanStartupListener(bundleContext); |
| } catch (MalformedObjectNameException e) { |
| log.error("Can't instantiate MBeanStartupListener"); |
| } |
| registerStartupHandler(bundleContext); |
| registerLaunchpadContentProvider(bundleContext); |
| } |
| |
| @Override |
| public void stop(final BundleContext context) { |
| if (startupListenerTracker != null) { |
| startupListenerTracker.close(); |
| startupListenerTracker = null; |
| } |
| } |
| |
| private ServiceRegistration<MBeanServer> registerMBeanServer(final BundleContext bundleContext) { |
| // register the platform MBeanServer |
| MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer(); |
| Hashtable<String, Object> mbeanProps = new Hashtable<String, Object>(); |
| try { |
| ObjectName beanName = ObjectName.getInstance("JMImplementation:type=MBeanServerDelegate"); |
| AttributeList attrs = platformMBeanServer.getAttributes(beanName, |
| new String[] { "MBeanServerId", "SpecificationName", |
| "SpecificationVersion", "SpecificationVendor", |
| "ImplementationName", "ImplementationVersion", |
| "ImplementationVendor" }); |
| for (Object object : attrs) { |
| Attribute attr = (Attribute) object; |
| if (attr.getValue() != null) { |
| mbeanProps.put(attr.getName(), attr.getValue().toString()); |
| } |
| } |
| } catch (Exception je) { |
| log.error("start: Cannot set service properties of Platform MBeanServer service, registering without", je); |
| } |
| return bundleContext.registerService(MBeanServer.class, platformMBeanServer, mbeanProps); |
| } |
| |
| private ServiceRegistration<StartupHandler> registerStartupHandler(final BundleContext bundleContext) { |
| return bundleContext.registerService(StartupHandler.class, new StartUpHandlerImpl(bundleContext.getBundle(0)), null); |
| } |
| |
| private ServiceRegistration<LaunchpadContentProvider> registerLaunchpadContentProvider(final BundleContext bundleContext) { |
| return bundleContext.registerService(LaunchpadContentProvider.class, new LaunchpadContentProviderImpl(bundleContext.getBundle(0)), null); |
| } |
| |
| private ServiceRegistration<StartupListener> registerMBeanStartupListener(final BundleContext bundleContext) throws MalformedObjectNameException { |
| return bundleContext.registerService(StartupListener.class, new MBeanStartupListener(), null); |
| } |
| } |