* @return the change frequency
     */
    public String getChangefreq() {
        return changefreq;
    }

    /**
     * Sets the change frequency of this sitemap entry.
     * @param changefreq the change frequency to set
     */
    public void setChangefreq(final String changefreq) {
        this.changefreq = changefreq;
    }

    /**
     * Returns the priority of this sitemap entry.

      <lastmod>2005-01-01</lastmod>
      <changefreq>monthly</changefreq>
      <priority>0.8</priority>
   </url>
   <url>
      <loc>http://www.example.com/catalog?item=12&amp;desc=vacation_hawaii</loc>
      <changefreq>weekly</changefreq>
   </url>
   <url>
      <loc>http://www.example.com/catalog?item=73&amp;desc=vacation_new_zealand</loc>
      <lastmod>2004-12-23</lastmod>
      <changefreq>weekly</changefreq>
   </url>
   <url>

     */
    protected static class XmlSitemapsHandler extends DefaultHandler {

        private static final String PRIORITY_ELEMENT = "priority";

        private static final String CHANGEFREQ_ELEMENT = "changefreq";

        private static final String LASTMOD_ELEMENT = "lastmod";

        private static final String LOC_ELEMENT = "loc";

        private static final String URL_ELEMENT = "url";