Mercurial > hg > release > thermostat-0.15
view launcher/src/main/java/com/redhat/thermostat/launcher/internal/Activator.java @ 1236:f8c480908c89
Move Launcher class to thermostat-launcher
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-August/008077.html
author | Omair Majid <omajid@redhat.com> |
---|---|
date | Fri, 30 Aug 2013 11:26:02 -0400 |
parents | d448210350bf |
children | 9f8cb76cec1d |
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/* * Copyright 2012, 2013 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 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 org.osgi.util.tracker.ServiceTrackerCustomizer; import com.redhat.thermostat.common.ExitStatus; 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.launcher.BundleManager; import com.redhat.thermostat.launcher.Launcher; import com.redhat.thermostat.launcher.internal.CurrentEnvironment.CurrentEnvironmentChangeListener; import com.redhat.thermostat.shared.config.Configuration; import com.redhat.thermostat.utils.keyring.Keyring; public class Activator implements BundleActivator { @SuppressWarnings({"rawtypes", "unchecked"}) class RegisterLauncherCustomizer implements ServiceTrackerCustomizer { private ServiceRegistration launcherReg; private ServiceRegistration bundleManReg; private ServiceRegistration cmdInfoReg; private ServiceRegistration exitStatusReg; private BundleContext context; private BundleManager bundleService; private CurrentEnvironment currentEnvironment; RegisterLauncherCustomizer(BundleContext context, BundleManager bundleService, CurrentEnvironment env) { this.context = context; this.bundleService = bundleService; this.currentEnvironment = env; } @Override public Object addingService(ServiceReference reference) { // keyring is now ready Keyring keyring = (Keyring)context.getService(reference); Configuration config = bundleService.getConfiguration(); String commandsDir = new File(config.getSystemConfigurationDirectory(), "commands").toString(); CommandInfoSource builtInCommandSource = new BuiltInCommandInfoSource(commandsDir, config.getSystemLibRoot().toString()); CommandInfoSource pluginCommandSource = new PluginCommandInfoSource( config.getSystemLibRoot().toString(), config.getSystemPluginRoot().toString()); CommandInfoSource commands = new CompoundCommandInfoSource(builtInCommandSource, pluginCommandSource); cmdInfoReg = context.registerService(CommandInfoSource.class, commands, null); // Register Launcher service since FrameworkProvider is waiting for it blockingly. LauncherImpl launcher = new LauncherImpl(context, new CommandContextFactory(context), bundleService, commands, currentEnvironment); 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); return keyring; } @Override public void modifiedService(ServiceReference reference, Object service) { // nothing } @Override public void removedService(ServiceReference reference, Object service) { // Keyring is gone, remove launcher, et. al. as well launcherReg.unregister(); bundleManReg.unregister(); cmdInfoReg.unregister(); exitStatusReg.unregister(); } } @SuppressWarnings("rawtypes") private ServiceTracker serviceTracker; private CommandRegistry registry; private ServiceTracker commandInfoSourceTracker; @SuppressWarnings({ "rawtypes", "unchecked" }) @Override public void start(final BundleContext context) throws Exception { CurrentEnvironment environment = new CurrentEnvironment(Environment.CLI); BundleManager bundleService = new BundleManagerImpl(new Configuration()); ServiceTrackerCustomizer customizer = new RegisterLauncherCustomizer(context, bundleService, environment); serviceTracker = new ServiceTracker(context, Keyring.class, customizer); // Track for Keyring service. serviceTracker.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()); commandInfoSourceTracker = new ServiceTracker(context, CommandInfoSource.class, null) { @Override public Object addingService(ServiceReference reference) { CommandInfoSource infoSource = (CommandInfoSource) super.addingService(reference); helpCommand.setCommandInfoSource(infoSource); return infoSource; } @Override public void removedService(ServiceReference reference, Object service) { helpCommand.setCommandInfoSource(null); super.removedService(reference, service); } }; commandInfoSourceTracker.open(); registry = new CommandRegistryImpl(context); registry.registerCommand("help", helpCommand); } @Override public void stop(BundleContext context) throws Exception { if (serviceTracker != null) { serviceTracker.close(); } commandInfoSourceTracker.close(); registry.unregisterCommands(); } }