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      SAXParser saxParser = factory.newSAXParser( );
      saxParser.parse( new File(filename), handler);
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Java code:


public class VSX {

public TreeModel parse(String filename) {
SAXParserFactory factory = SAXParserFactory.newInstance( );
XMLTreeHandler handler = new XMLTreeHandler( );
try {
// Parse the input.
SAXParser saxParser = factory.newSAXParser( );
saxParser.parse( new File(filename), handler);
}
catch (Exception e) {
System.err.println("File Read Error: " + e);
e.printStackTrace( );
return new DefaultTreeModel(new DefaultMutableTreeNode("error"));
}
return new DefaultTreeModel(handler.getRoot( ));
}
}

public class XMLTreeHandler extends DefaultHandler {
private DefaultMutableTreeNode root, currentNode;

public DefaultMutableTreeNode getRoot( ) {
return root;
}

// SAX parser handler methods