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

Example 1 with Loader

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

the class SlingServlet method startSling.

/**
     * Called from the startup thread initiated by a request or from
     * {@link #init()} to install the launcher jar and actually start sling.
     */
private void startSling() {
    try {
        File launchpadHome = getLaunchpadHome(slingHome);
        this.loader = new Loader(launchpadHome) {

            @Override
            protected void info(String msg) {
                log(msg);
            }
        };
    } catch (IllegalArgumentException iae) {
        startupFailure(null, iae);
        return;
    }
    try {
        URL launcherJar = getServletContext().getResource(SharedConstants.DEFAULT_SLING_LAUNCHER_JAR);
        if (launcherJar == null) {
            launcherJar = getServletContext().getResource("/WEB-INF" + SharedConstants.DEFAULT_SLING_LAUNCHER_JAR);
        }
        startSling(launcherJar);
    } catch (MalformedURLException mue) {
        log("Cannot load Apache Sling Launcher JAR " + SharedConstants.DEFAULT_SLING_LAUNCHER_JAR, mue);
    }
}

Example 2 with Loader

use of org.apache.sling.launchpad.base.shared.Loader 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;
}