code: @Override
      public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
          super.startElement(uri, localName, qName, attributes);
          if (localName.equalsIgnoreCase(GPXTags.LINK)) {
              getCurrentPoint().setLink(attributes);
          }
      }
docs: Fires whenever an XML start markup is encountered. It saves informations
  about <link> in currentPoint.
  
  @param uri URI of the local element
  @param localName Name of the local element (without prefix)
  @param qName qName of the local element (with prefix)
  @param attributes Attributes of the local element (contained in the
  markup)
  @throws SAXException Any SAX exception, possibly wrapping another
  exception