try
if ( source == null ) return null;  if ( source instanceof Date )
	private static Date toDate( String source )			throws BirtException	{		try		{			//Try to format the given String for JRE default Locale			return toDate( source, ULocale.getDefault( ) );		}		catch ( BirtException e )		{			//format the String for Locale.US			return  toDate( source, DEFAULT_LOCALE );		}	}