Java(TM) Boutique - Deliver On-the-Fly Mapping Services to Your Rich Desktop Java Application, Part 2

Listing 3: Parsing XML using the DefaultHandler.


/** Inner class which receives the SAX handler notification. */
private class Handler extends DefaultHandler {

  public void startDocument() throws SAXException {
    infoList = new ArrayList<XMLTileFactoryInfo>();
  }

  public void startElement(String uri, String localName, String qName,
      Attributes attributes) throws SAXException {
    currentString = new StringBuffer();
    if (qName.equals("FactoryInfo")) {
      init();
    }
  }

  public void endElement(String uri, String localName, String qName)
      throws SAXException {
    String s = currentString.toString().trim();
    if (qName.equals("MinimumZoomLevel")) {
      minimumZoomLevel = Integer.parseInt(s);
    } 

    // several lines omitted

    else if (qName.equals("FactoryInfo")) {
      buildFactoryInfo();
    }
    currentString = new StringBuffer();
  }

  public void characters(char buf[], int offset, int len)
      throws SAXException {
    String s = new String(buf, offset, len);
    currentString.append(s);
    if (!(s.endsWith("\n") || !s.endsWith("\r"))) {
      currentString.append("\n");
    }
  }

}

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