Bug 152830 Need model's support to add jar files
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
OdaDataSource.EXTENSION_ID_PROP );
		super.visitOdaDataSource( obj );
		writeOdaDesignerState( obj, OdaDataSource.DESIGNER_STATE_PROP );
		List properties = (List) obj.getLocalProperty( getModule( ),
				OdaDataSource.PRIVATE_DRIVER_PROPERTIES_PROP );
		writeExtendedProperties( properties,
				OdaDataSource.PRIVATE_DRIVER_PROPERTIES_PROP );
		writeOdaExtensionProperties( obj, OdaDataSource.EXTENSION_ID_PROP );
		writer.endElement( );
	}
	/**
	 * Writes ODA exension properties.
	 * 
	 * @param obj
	 *            the ODA element to write
	 * @param extensionIDProp
	 *            the extension ID for ODA properties
	 */
	private void writeOdaExtensionProperties( DesignElement obj,
			String extensionIDProp )
	{
		IElementDefn extDefn = null;
		if ( obj instanceof OdaDataSource )
			extDefn = ( (OdaDataSource) obj ).getExtDefn( );
		else if ( obj instanceof OdaDataSet )
			extDefn = ( (OdaDataSet) obj ).getExtDefn( );
		if ( extDefn == null )
		{
			ODAProvider provider = null;
			if ( obj instanceof OdaDataSource )