@SuppressWarnings("unchecked")
    public void registerLoader(String clsName, String ... extensions) {
        Class<? extends AssetLoader> clazz = null;
        try {
            clazz = (Class<? extends AssetLoader>) Class.forName(clsName);
        } catch (ClassNotFoundException | NoClassDefFoundError ex) {
            logger.log(Level.WARNING, "Failed to find loader: " + clsName, ex);
        }
        if (clazz != null) {
            registerLoader(clazz, extensions);
        }
    }
<code>AssetManager</code> is the primary method for managing and loading
assets inside jME.

@author Kirill Vainer
jme3-core/src/main/java/com/jme3/asset/DesktopAssetManager.java