Spring MVC - @InitBinder Examples

    @InitBinder
    private void customizeBinding (@PathVariable("tradeId") long tradeId, WebDataBinder binder) {
        Trade trade = tradeService.getTradeById(tradeId);
        if (trade == null) {
            return;
        }

        CurrencyStyleFormatter currencyFormatter = new CurrencyStyleFormatter();
        currencyFormatter.setCurrency(
                            "Buy".equals(trade.getBuySell()) ? trade.getBuyCurrency() : trade
                                                .getSellCurrency());
        binder.addCustomFormatter(currencyFormatter, "amount");
    }

    @InitBinder
    private void customizeBinding (@PathVariable("tradeId") long tradeId, WebDataBinder binder) {
        Trade trade = tradeService.getTradeById(tradeId);
        if (trade == null) {
            return;
        }

        DateFormatter dateFormatter = new DateFormatter();
        dateFormatter.setPattern("MM-dd-yyyy");

        binder.addCustomFormatter(dateFormatter, "tradeDate");

        NumberStyleFormatter numberFormatter = new NumberStyleFormatter();
        numberFormatter.setPattern("#,###,###,###.##");
        binder.addCustomFormatter(numberFormatter, "amount");


        CurrencyStyleFormatter currencyFormatter = new CurrencyStyleFormatter();
        currencyFormatter.setCurrency(
                            "Buy".equals(trade.getBuySell()) ? trade.getBuyCurrency() : trade
                                                .getSellCurrency());
        binder.addCustomFormatter(currencyFormatter, "amount");
    }

    @InitBinder("user")
    public void customizeBinding (WebDataBinder binder) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd");
        dateFormatter.setLenient(false);
        binder.registerCustomEditor(Date.class, "dateOfBirth",
                                    new CustomDateEditor(dateFormatter, true));
    }