Mercurial > hg > release > thermostat-1.6
view local/command/src/main/java/com/redhat/thermostat/local/command/internal/ServiceLauncher.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> |
---|---|
date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | 31f274ab27a5 |
children |
line wrap: on
line source
/* * 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.local.command.internal; import com.redhat.thermostat.common.ActionEvent; import com.redhat.thermostat.common.ActionListener; import com.redhat.thermostat.common.cli.AbstractStateNotifyingCommand; import com.redhat.thermostat.common.cli.CommandException; import com.redhat.thermostat.common.tools.ApplicationState; import com.redhat.thermostat.common.utils.LoggingUtils; import com.redhat.thermostat.launcher.Launcher; import com.redhat.thermostat.local.command.locale.LocaleResources; import com.redhat.thermostat.shared.config.CommonPaths; import com.redhat.thermostat.shared.locale.Translate; import java.io.File; import java.util.ArrayList; import java.util.List; import java.util.concurrent.CountDownLatch; import java.util.logging.Logger; public class ServiceLauncher { private static final Translate<LocaleResources> t = LocaleResources.createLocalizer(); private static final Logger logger = LoggingUtils.getLogger(ServiceLauncher.class); private File webApp; private String serviceArg; private Launcher launcher; private Thread serviceThread; public ServiceLauncher(Launcher launcher, CommonPaths paths) { this(launcher, new File(paths.getSystemThermostatHome(), "webapp")); } //package-private for testing ServiceLauncher(Launcher launcher, File webApp) { this.launcher = launcher; this.webApp = webApp; serviceArg = getServiceArg(); } public void start() throws CommandException { logger.fine("running thermostat " + serviceArg); CountDownLatch serviceLatch = new CountDownLatch(1); ServiceStartedListener serviceListener = new ServiceStartedListener(serviceLatch); final List<ActionListener<ApplicationState>> listeners = new ArrayList<>(); listeners.add(serviceListener); serviceThread = new Thread(new Runnable() { @Override public void run() { String[] serviceArgs = new String[] {serviceArg}; launcher.run(serviceArgs, listeners, false); } }); serviceThread.start(); try { serviceLatch.await(); } catch (InterruptedException e) { throw new CommandException(t.localize(LocaleResources.SERVICE_WAIT_INTERRUPTED, serviceArg), e); } if (serviceListener.startupFailed) { throw new CommandException(t.localize(LocaleResources.ERROR_STARTING_SERVICE, serviceArg)); } } public void stop() throws CommandException { if (serviceThread != null && serviceThread.isAlive()) { serviceThread.interrupt(); try { // wait for service to finish handling interruption serviceThread.join(); } catch (InterruptedException e) { throw new CommandException(t.localize(LocaleResources.STOPPING_SERVICE_INTERRUPTED, serviceArg), e); } } } private String getServiceArg() { if (isWebAppInstalled()) { return "web-storage-service"; } else { return "service"; } } private boolean isWebAppInstalled() { return webApp.exists(); } private static class ServiceStartedListener implements ActionListener<ApplicationState> { private final CountDownLatch serviceStarted; private boolean startupFailed = true; private ServiceStartedListener(CountDownLatch latch) { serviceStarted = latch; } @Override public void actionPerformed(ActionEvent<ApplicationState> actionEvent) { if (actionEvent.getSource() instanceof AbstractStateNotifyingCommand) { ApplicationState state = (ApplicationState) actionEvent.getActionId(); switch(state) { case START: startupFailed = false; // fall-through default: serviceStarted.countDown(); break; } } } } }