final SitemapSet sitemapSet = sitemapsHelper.parse(in);
        final Sitemap[] sitemaps = sitemapSet.getSitemaps();
        assertEquals(5, sitemaps.length);
        assertTrue(sitemapSet.isUrlSet());
        assertFalse(sitemapSet.isIndex());

        assertEquals("2005-01-01", sitemaps[0].getLastmod());
        assertEquals("http://www.example.com/", sitemaps[0].getLoc());

        this.type = type;
    }

    /**
     * Checks if this sitemap set is of type URLSET.
     * @return true if this is a URLSET, false otherwise
     */
    public boolean isUrlSet() {
        return URLSET.equals(type);
    }

    /**
     * Checks if this sitemap set is of type INDEX.
     * @return true if this is an INDEX, false otherwise
     */
    public boolean isIndex() {