code: protected String getInnerXmlForEntry(CmsXmlSitemapUrlBean entry) {
  
          StringBuffer buffer = new StringBuffer();
          entry.writeElement(buffer, "loc", entry.getUrl());
          entry.writeLastmod(buffer);
          entry.writeChangefreq(buffer);
          entry.writePriority(buffer);
          return buffer.toString();
      }
docs: Writes the inner node content for an url element to a buffer.<p>
  
  @param entry the entry for which the content should be written
  @return the inner XML