public Object loadLauncher()

in src/main/java/org/apache/sling/launchpad/base/shared/Loader.java [100:130]

28 lines of code
6 McCabe index (conditional complexity)


    public Object loadLauncher(String launcherClassName) {

        final File launcherJarFile = getLauncherJarFile();
        info("Loading launcher class " + launcherClassName + " from " + launcherJarFile.getName());
        if (!launcherJarFile.canRead()) {
            throw new IllegalArgumentException("Sling Launcher JAR "
                + launcherJarFile + " is not accessible");
        }

        final ClassLoader loader;
        try {
            loader = new LauncherClassLoader(launcherJarFile, getExtLibs());
        } catch (MalformedURLException e) {
            throw new IllegalArgumentException(
                "Cannot create an URL from the  JAR path name", e);
        }

        try {
            final Class<?> launcherClass = loader.loadClass(launcherClassName);
            return launcherClass.newInstance();
        } catch (ClassNotFoundException cnfe) {
            throw new IllegalArgumentException("Cannot find class "
                + launcherClassName + " in " + launcherJarFile, cnfe);
        } catch (InstantiationException e) {
            throw new IllegalArgumentException(
                "Cannot instantiate launcher class " + launcherClassName, e);
        } catch (IllegalAccessException e) {
            throw new IllegalArgumentException(
                "Cannot access constructor of class " + launcherClassName, e);
        }
    }