| /* |
| * 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.settings.impl; |
| |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| |
| import org.apache.sling.settings.SlingSettingsService; |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.BundleEvent; |
| import org.osgi.framework.BundleListener; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceRegistration; |
| |
| /** |
| * This is the bundle activator. |
| * It registers the SlingSettingsService. |
| * |
| */ |
| public class Activator implements BundleActivator, BundleListener { |
| |
| /** The service registration */ |
| private ServiceRegistration serviceRegistration; |
| |
| /** The bundle context. */ |
| private BundleContext bundleContext; |
| |
| /** The settings service. */ |
| private SlingSettingsServiceImpl settingsService; |
| |
| /** |
| * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext) |
| */ |
| public void start(BundleContext context) throws Exception { |
| this.bundleContext = context; |
| this.settingsService = new SlingSettingsServiceImpl(context); |
| // for compatibility, we might have to wait for the engine bundle |
| // to be started to get the Sling ID |
| |
| if ( this.settingsService.isDelayedStart() ) { |
| this.bundleContext.addBundleListener(this); |
| this.tryToStart(); |
| } else { |
| this.startService(); |
| } |
| } |
| |
| /** |
| * @param event |
| */ |
| public void bundleChanged(BundleEvent event) { |
| if ( SlingSettingsServiceImpl.ENGINE_SYMBOLIC_NAME.equals(event.getBundle().getSymbolicName())) { |
| this.tryToStart(); |
| } |
| |
| } |
| |
| private synchronized void tryToStart() { |
| if ( this.settingsService.isDelayedStart() ) { |
| this.settingsService.initDelayed(this.bundleContext); |
| if ( !this.settingsService.isDelayedStart() ) { |
| this.bundleContext.removeBundleListener(this); |
| this.startService(); |
| } |
| } |
| } |
| |
| private void startService() { |
| final Dictionary<String, String> props = new Hashtable<String, String>(); |
| props.put(Constants.SERVICE_PID, this.settingsService.getClass().getName()); |
| props.put(Constants.SERVICE_DESCRIPTION, |
| "Apache Sling Settings Service"); |
| props.put(Constants.SERVICE_VENDOR, "The Apache Software Foundation"); |
| serviceRegistration = this.bundleContext.registerService(new String[] { |
| SlingSettingsService.class.getName()}, |
| this.settingsService, props); |
| SlingPropertiesPrinter.initPlugin(this.bundleContext); |
| SlingSettingsPrinter.initPlugin(this.bundleContext, this.settingsService); |
| try { |
| RunModeCommand.initPlugin(this.bundleContext, this.settingsService.getRunModes()); |
| } catch (Throwable ignore) { |
| // we just ignore this |
| } |
| |
| } |
| |
| /** |
| * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext) |
| */ |
| public void stop(BundleContext context) throws Exception { |
| this.bundleContext.removeBundleListener(this); |
| try { |
| RunModeCommand.destroyPlugin(); |
| } catch (Throwable ignore) { |
| // we just ignore this |
| } |
| SlingSettingsPrinter.destroyPlugin(); |
| SlingPropertiesPrinter.destroyPlugin(); |
| |
| if ( serviceRegistration != null ) { |
| serviceRegistration.unregister(); |
| serviceRegistration = null; |
| } |
| this.settingsService = null; |
| } |
| } |