Mercurial > hg > release > thermostat-1.6
view launcher/src/main/java/com/redhat/thermostat/launcher/internal/Activator.java @ 2049:a92d602216ad
Update copyright license headers for 2017
PR3290
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-January/021974.html
author | Andrew Azores <aazores@redhat.com> |
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date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | 31f274ab27a5 |
children |
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/* * Copyright 2012-2017 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.launcher.internal; import java.io.File; import java.io.IOException; import java.util.Map; import com.redhat.thermostat.storage.core.DbService; import org.osgi.framework.BundleActivator; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceReference; import org.osgi.framework.ServiceRegistration; import org.osgi.util.tracker.ServiceTracker; import com.redhat.thermostat.common.ExitStatus; import com.redhat.thermostat.common.MultipleServiceTracker; import com.redhat.thermostat.common.MultipleServiceTracker.Action; import com.redhat.thermostat.common.cli.CommandContextFactory; import com.redhat.thermostat.common.cli.CommandRegistry; import com.redhat.thermostat.common.cli.CommandRegistryImpl; import com.redhat.thermostat.common.config.ClientPreferences; import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource; import com.redhat.thermostat.launcher.BundleManager; import com.redhat.thermostat.launcher.Launcher; import com.redhat.thermostat.launcher.internal.CurrentEnvironment.CurrentEnvironmentChangeListener; import com.redhat.thermostat.shared.config.CommonPaths; import com.redhat.thermostat.utils.keyring.Keyring; import org.osgi.util.tracker.ServiceTrackerCustomizer; public class Activator implements BundleActivator { @SuppressWarnings({ "rawtypes" }) class RegisterLauncherAction implements Action { private ServiceRegistration launcherReg; private ServiceRegistration bundleManReg; private ServiceRegistration cmdInfoReg; private ServiceRegistration exitStatusReg; private ServiceRegistration pluginConfReg; private BundleContext context; private CurrentEnvironment env; RegisterLauncherAction(BundleContext context, CurrentEnvironment env) { this.context = context; this.env = env; } @Override public void dependenciesAvailable(Map<String, Object> services) { CommonPaths paths = (CommonPaths) services.get(CommonPaths.class.getName()); Keyring keyring = (Keyring) services.get(Keyring.class.getName()); ClientPreferences prefs = new ClientPreferences(paths); String commandsDir = new File(paths.getSystemConfigurationDirectory(), "commands").toString(); CommandInfoSource builtInCommandSource = new BuiltInCommandInfoSource(commandsDir, paths.getSystemLibRoot().toString()); PluginInfoSource pluginSource = new PluginInfoSource( paths.getSystemLibRoot().toString(), paths.getSystemPluginRoot().toString(), paths.getUserPluginRoot().toString(), paths.getSystemPluginConfigurationDirectory().toString(), paths.getUserPluginConfigurationDirectory().toString()); ConfigurationInfoSource configurations = pluginSource; pluginConfReg = context.registerService(ConfigurationInfoSource.class, configurations, null); CommandInfoSource commands = new CompoundCommandInfoSource(builtInCommandSource, pluginSource); cmdInfoReg = context.registerService(CommandInfoSource.class, commands, null); BundleManager bundleService = null; try { bundleService = new BundleManagerImpl(paths); } catch (IOException e) { throw new RuntimeException("Could not initialize launcher.", e); } // Register Launcher service since FrameworkProvider is waiting for it blockingly. LauncherImpl launcher = new LauncherImpl(context, new CommandContextFactory(context), bundleService, commands, env, prefs, keyring, paths); launcherReg = context.registerService(Launcher.class.getName(), launcher, null); bundleManReg = context.registerService(BundleManager.class, bundleService, null); ExitStatus exitStatus = new ExitStatusImpl(ExitStatus.EXIT_SUCCESS); exitStatusReg = context.registerService(ExitStatus.class, exitStatus, null); } @Override public void dependenciesUnavailable() { // Keyring or CommonPaths are gone, remove launcher, et. al. as well launcherReg.unregister(); bundleManReg.unregister(); cmdInfoReg.unregister(); exitStatusReg.unregister(); pluginConfReg.unregister(); } } private MultipleServiceTracker launcherDepsTracker; private MultipleServiceTracker shellTracker; private CommandRegistry registry; private ShellCommand shellCommand; @SuppressWarnings("rawtypes") private ServiceTracker commandInfoSourceTracker; private ServiceTracker dbServiceTracker; @SuppressWarnings({ "rawtypes", "unchecked" }) @Override public void start(final BundleContext context) throws Exception { CurrentEnvironment environment = new CurrentEnvironment(Environment.CLI); Class[] launcherDeps = new Class[]{ Keyring.class, CommonPaths.class, }; registry = new CommandRegistryImpl(context); RegisterLauncherAction registerLauncherAction = new RegisterLauncherAction(context, environment); launcherDepsTracker = new MultipleServiceTracker(context, launcherDeps, registerLauncherAction); launcherDepsTracker.open(); final HelpCommand helpCommand = new HelpCommand(); environment.addListener(new CurrentEnvironmentChangeListener() { @Override public void enviornmentChanged(Environment oldEnv, Environment newEnv) { helpCommand.setEnvironment(newEnv); } }); helpCommand.setEnvironment(environment.getCurrent()); final Class<?>[] shellClasses = new Class[] { CommonPaths.class, ConfigurationInfoSource.class, }; shellTracker = new MultipleServiceTracker(context, shellClasses, new Action() { @Override public void dependenciesAvailable(Map<String, Object> services) { CommonPaths paths = (CommonPaths) services.get(CommonPaths.class.getName()); ConfigurationInfoSource config = (ConfigurationInfoSource) services.get(ConfigurationInfoSource.class.getName()); shellCommand = new ShellCommand(context, paths, config); registry.registerCommand("shell", shellCommand); } @Override public void dependenciesUnavailable() { registry.unregisterCommand("shell"); } }); shellTracker.open(); commandInfoSourceTracker = new ServiceTracker(context, CommandInfoSource.class, null) { @Override public Object addingService(ServiceReference reference) { CommandInfoSource infoSource = (CommandInfoSource) super.addingService(reference); helpCommand.setCommandInfoSource(infoSource); if (shellCommand != null) { shellCommand.setCommandInfoSource(infoSource); } return infoSource; } @Override public void removedService(ServiceReference reference, Object service) { helpCommand.setCommandInfoSource(null); if (shellCommand != null) { shellCommand.setCommandInfoSource(null); } super.removedService(reference, service); } }; commandInfoSourceTracker.open(); dbServiceTracker = new ServiceTracker(context, DbService.class.getName(), new ServiceTrackerCustomizer() { @Override public Object addingService(ServiceReference serviceReference) { if (shellCommand != null) { DbService dbService = (DbService) context.getService(serviceReference); shellCommand.dbServiceAvailable(dbService); } return context.getService(serviceReference); } @Override public void modifiedService(ServiceReference serviceReference, Object o) { //Do nothing } @Override public void removedService(ServiceReference serviceReference, Object o) { if (shellCommand != null) { shellCommand.dbServiceUnavailable(); } } }); dbServiceTracker.open(); registry.registerCommand("help", helpCommand); } @Override public void stop(BundleContext context) throws Exception { if (launcherDepsTracker != null) { launcherDepsTracker.close(); } if (commandInfoSourceTracker != null) { commandInfoSourceTracker.close(); } if (shellTracker != null) { shellTracker.close(); } registry.unregisterCommands(); } }