Document document = builder.parse( fileName );
XSNamedMap map = xsModel.getComponents( XSConstants.ELEMENT_DECLARATION );
	public static ATreeNode getSchemaTree( String fileName )			throws OdaException	{		try		{		    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance( );			factory.setNamespaceAware( true );			DocumentBuilder builder = factory.newDocumentBuilder( );			Document document = builder.parse( fileName );			NodeList nodes = document.getChildNodes( );			ATreeNode root = new ATreeNode( );			root.setValue( "ROOT" );			populateNodeList( nodes, root, 0 );			populateRoot( root );			return root;		}		catch ( ParserConfigurationException e )		{			throw new OdaException( e.getMessage( ) );		}		catch ( SAXException e )		{			throw new OdaException( e.getMessage( ) );		}		catch ( IOException e )		{			throw new OdaException( e.getMessage( ) );		}	}