Examples with Launcher org.apache.sling.launchpad.base.shared.Launcher used on opensource projects

Example 1 with Launcher

use of org.apache.sling.launchpad.base.shared.Launcher in project sling by apache.

the class Main method doStart.

protected boolean doStart(final URL launcherJar) {
    // prevent duplicate start
    if (this.started) {
        info("Apache Sling has already been started", null);
        return true;
    }
    info("Starting Apache Sling in " + slingHome, null);
    this.started = true;
    Loader loaderTmp = null;
    try {
        final File launchpadHome = getLaunchpadHome(slingHome, commandLineArgs);
        loaderTmp = new Loader(launchpadHome) {

            @Override
            protected void info(String msg) {
                Main.info(msg, null);
            }
        };
    } catch (IllegalArgumentException iae) {
        error("Cannot launch: Launchpad folder cannot be used: " + iae.getMessage(), null);
        return false;
    }
    this.loader = loaderTmp;
    if (launcherJar != null) {
        try {
            loader.installLauncherJar(launcherJar);
        } catch (IOException ioe) {
            error("Cannot launch: Cannot install " + launcherJar + " for use", ioe);
            return false;
        }
    } else {
        info("No Launcher JAR to install", null);
    }
    Object object = null;
    try {
        object = loader.loadLauncher(SharedConstants.DEFAULT_SLING_MAIN);
    } catch (IllegalArgumentException iae) {
        error("Cannot launch: Failed loading Sling class " + SharedConstants.DEFAULT_SLING_MAIN, iae);
        return false;
    }
    if (object instanceof Launcher) {
        // configure the launcher
        Launcher sling = (Launcher) object;
        sling.setNotifiable(new Notified());
        sling.setCommandLine(commandLineArgs);
        sling.setSlingHome(slingHome);
        // launch it
        info("Starting launcher ...", null);
        if (sling.start()) {
            info("Startup completed", null);
            this.sling = sling;
            addShutdownHook();
            return true;
        }
        error("Cannot launch: Launcher.start() returned false", null);
    } else {
        error("Cannot launch: Class " + SharedConstants.DEFAULT_SLING_MAIN + " is not a Launcher class", null);
    }
    return false;
}

Example 2 with Launcher

use of org.apache.sling.launchpad.base.shared.Launcher in project sling by apache.

the class SlingServlet method startSling.

/**
     * Installs the launcher jar from the given URL (if not <code>null</code>)
     * and launches Sling from that launcher.
     */
private void startSling(URL launcherJar) {
    synchronized (this) {
        if (sling != null) {
            log("Apache Sling already started, nothing to do");
            return;
        } else if (startingSling != null) {
            log("Apache Sling being started by Thread " + startingSling);
            return;
        }
        startingSling = Thread.currentThread();
    }
    if (launcherJar != null) {
        try {
            log("Checking launcher JAR in " + slingHome);
            loader.installLauncherJar(launcherJar);
        } catch (IOException ioe) {
            startupFailure("Failed installing " + launcherJar, ioe);
            return;
        }
    } else {
        log("No Launcher JAR to install");
    }
    Object object = null;
    try {
        object = loader.loadLauncher(SharedConstants.DEFAULT_SLING_SERVLET);
    } catch (IllegalArgumentException iae) {
        startupFailure("Cannot load Launcher Servlet " + SharedConstants.DEFAULT_SLING_SERVLET, iae);
        return;
    }
    if (object instanceof Servlet) {
        Servlet sling = (Servlet) object;
        if (sling instanceof Launcher) {
            Launcher slingLauncher = (Launcher) sling;
            slingLauncher.setNotifiable(this);
            slingLauncher.setCommandLine(properties);
            slingLauncher.setSlingHome(slingHome);
        }
        try {
            log("Starting launcher ...");
            sling.init(getServletConfig());
            this.sling = sling;
            this.startFailureCounter = 0;
            log("Startup completed");
        } catch (ServletException se) {
            startupFailure(null, se);
        }
    }
    // reset the starting flag
    synchronized (this) {
        startingSling = null;
    }
}