Example usage for java.util EventListener EventListener

Introduction

In this page you can find the example usage for java.util EventListener EventListener.

Prototype

EventListener

Source Link

Usage

From source file:net.sourceforge.fullsync.cli.Main.java

public static void startup(String[] args, Launcher launcher) throws Exception {
    initOptions();/*ww w  . j  a  v  a2s .  c  o  m*/
    String configDir = getConfigDir();
    CommandLineParser parser = new DefaultParser();
    CommandLine line = null;

    try {
        line = parser.parse(options, args);
    } catch (ParseException ex) {
        System.err.println(ex.getMessage());
        printHelp();
        System.exit(1);
    }

    if (line.hasOption('V')) {
        System.out.println(String.format("FullSync version %s", Util.getFullSyncVersion())); //$NON-NLS-1$
        System.exit(0);
    }

    // Apply modifying options
    if (!line.hasOption("v")) { //$NON-NLS-1$
        System.setErr(new PrintStream(new FileOutputStream(getLogFileName())));
    }

    if (line.hasOption("h")) { //$NON-NLS-1$
        printHelp();
        System.exit(0);
    }

    upgradeLegacyPreferencesLocation(configDir);

    String profilesFile;
    if (line.hasOption("P")) { //$NON-NLS-1$
        profilesFile = line.getOptionValue("P"); //$NON-NLS-1$
    } else {
        profilesFile = configDir + FullSync.PROFILES_XML;
        upgradeLegacyProfilesXmlLocation(profilesFile);
    }
    final String prefrencesFile = configDir + FullSync.PREFERENCES_PROPERTIES;
    final Injector injector = Guice.createInjector(new FullSyncModule(line, prefrencesFile));
    final RuntimeConfiguration rtConfig = injector.getInstance(RuntimeConfiguration.class);
    injector.getInstance(ProfileManager.class).setProfilesFileName(profilesFile);
    final ScheduledExecutorService scheduledExecutorService = injector
            .getInstance(ScheduledExecutorService.class);
    final EventListener deadEventListener = new EventListener() {
        private final Logger logger = LoggerFactory.getLogger("DeadEventLogger"); //$NON-NLS-1$

        @Subscribe
        private void onDeadEvent(DeadEvent deadEvent) {
            if (!(deadEvent.getEvent() instanceof ShutdownEvent)) {
                logger.warn("Dead event triggered: {}", deadEvent); //$NON-NLS-1$
            }
        }
    };
    final EventBus eventBus = injector.getInstance(EventBus.class);
    eventBus.register(deadEventListener);

    final Semaphore sem = new Semaphore(0);
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        Logger logger = LoggerFactory.getLogger(Main.class);
        logger.debug("shutdown hook called, starting orderly shutdown"); //$NON-NLS-1$
        eventBus.post(new ShutdownEvent());
        scheduledExecutorService.shutdown();
        try {
            scheduledExecutorService.awaitTermination(5, TimeUnit.MINUTES);
        } catch (InterruptedException e) {
            // not relevant
        }
        logger.debug("shutdown hook finished, releaseing main thread semaphore"); //$NON-NLS-1$
        sem.release();
    }));
    if (rtConfig.isDaemon().orElse(false).booleanValue() || rtConfig.getProfileToRun().isPresent()) {
        finishStartup(injector);
        sem.acquireUninterruptibly();
        System.exit(0);
    } else {
        launcher.launchGui(injector);
        System.exit(0);
    }
}

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