assertEquals("0.8", ((SitemapUrl) sitemaps[0]).getPriority());

        assertNull(sitemaps[1].getLastmod());
        assertEquals("http://www.example.com/catalog?item=12&desc=vacation_hawaii", sitemaps[1].getLoc());
        assertEquals("weekly", ((SitemapUrl) sitemaps[1]).getChangefreq());
        assertNull(((SitemapUrl) sitemaps[1]).getPriority());

        assertEquals("2004-12-23", sitemaps[2].getLastmod());

    /**
     * Returns the priority of this sitemap entry.
     * @return the priority
     */
    public String getPriority() {
        return priority;
    }

    /**
     * Sets the priority of this sitemap entry.
     * @param priority the priority to set
     */
    public void setPriority(final String priority) {
        this.priority = priority;
    }

    @Override