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<TITLE>Generating SAX Parsing Events by Traversing a DOM Document (Java Developers Almanac Example)
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  <h3>e523. Generating SAX Parsing Events by Traversing a DOM Document</h3>

If you have developed a set of handlers for SAX events, it is possible
to use these handlers on a source other than a file.  This example
demonstrates how to use the handlers on a DOM document.


<pre>    // Obtain a DOM document; this method is implemented in
    // <a href="../javax.xml.parsers/BasicDom.html" class="eglink"><b>e510</b> The Quintessential Program to Create a DOM Document from an XML File</a>
    Document doc = <font color="#0066ff"><i>parseXmlFile</i></font>(<font color="#0066ff"><i>"infilename.xml"</i></font>, <font color="#0066ff"><i>false</i></font>);
    
    // Prepare the DOM source
    Source source = new DOMSource(doc);
    
    // Set the systemId of the source. This call is not strictly necessary
    URI uri = new File(<font color="#0066ff"><i>"infilename.xml"</i></font>).toURI();
    source.setSystemId(uri.toString());
    
    // Create a handler to handle the SAX events
    DefaultHandler handler = new MyHandler();
    
    try {
        // Prepare the result
        SAXResult result = new SAXResult(handler);
    
        // Create a transformer
        Transformer xformer = TransformerFactory.newInstance().newTransformer();
    
        // Traverse the DOM tree
        xformer.transform(source, result);
    } catch (TransformerConfigurationException e) {
    } catch (TransformerException e) {
    }
    
    // DefaultHandler contain no-op implementations for all SAX events.
    // This class should override methods to capture the events of interest.
    class MyHandler extends DefaultHandler {
    }
</pre>

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