Wicket NoVersionHomePageMapper - don't show page version/id on home page

gistfile1.java

    public class NoVersionHomePageMapper extends AbstractComponentMapper
    {
        /**
         * If this is the home page URL, return a bigger compatibility score than
         * {@link org.apache.wicket.request.mapper.HomePageMapper#getCompatibilityScore(Request)}
         *
         * @see org.apache.wicket.request.mapper.HomePageMapper#getCompatibilityScore(org.apache.wicket.request.Request)
         */
        public int getCompatibilityScore(Request request)
        {
            return isHomeUrl(request) ? 1 : 0;
        }

        @Override
        public Url mapHandler(IRequestHandler requestHandler)
        {
            if (requestHandler instanceof ListenerInterfaceRequestHandler)
            {
                return null;
            }

            if (requestHandler instanceof IPageRequestHandler)
            {
                IPageRequestHandler pageRequestHandler = (IPageRequestHandler)requestHandler;

                if (pageRequestHandler.getPageClass().equals(Application.get().getHomePage()))
                {
                    return new Url();
                }
            }

            return null;
        }

        @Override
        public IRequestHandler mapRequest(Request request)
        {
            return null;
        }

        /**
         * A home URL is considered a URL without any segments
         *
         * @param request
         * @return <code>true</code> if the request is to the home page ("/")
         */
        private boolean isHomeUrl(Request request)
        {
            return request.getUrl().getSegments().isEmpty();
        }
    }