Custom data bind factory to plumb in the custom data binder to a DD4T 2 Java project

CustomDataBindFactory.java

public class CustomDataBindFactory {

    private static final Logger LOG = LoggerFactory.getLogger(DataBindFactory.class);
    private static final CustomDataBindFactory INSTANCE = new CustomDataBindFactory();

    private CustomDataBinder customDataBinder;

    private CustomDataBindFactory () {
        LOG.info("CustomDataBindFactory init.");
    }

    public static CustomDataBindFactory getInstance () {
        if (null == INSTANCE) {
            LOG.error("CustomDataBindFactory not properly instantiated!");
        }
        return INSTANCE;
    }

    public static <T extends Sitemap> T  buildSitemap (final String source, final Class<T> aClass) throws SerializationException {
        return INSTANCE.customDataBinder.buildSitemap(source, aClass);
    }

    public void setCustomDataBinder(final CustomDataBinder customDataBinder) {
        this.customDataBinder = customDataBinder;
    }
}