Spring Framework - @DateTimeFormat Examples

package com.logicbig.example;

import org.springframework.beans.MutablePropertyValues;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.format.annotation.NumberFormat;
import org.springframework.format.datetime.DateTimeFormatAnnotationFormatterFactory;
import org.springframework.format.number.NumberFormatAnnotationFormatterFactory;
import org.springframework.format.support.DefaultFormattingConversionService;
import org.springframework.validation.BindingResult;
import org.springframework.validation.DataBinder;

import java.util.Date;
import java.util.Map;

public class SpringFormatAnnotationExample {

    public static void main (String[] args) {

        DefaultFormattingConversionService conversionService =
                            new DefaultFormattingConversionService(false);

        conversionService.addFormatterForFieldAnnotation(
                            new NumberFormatAnnotationFormatterFactory());

        conversionService.addFormatterForFieldAnnotation(
                            new DateTimeFormatAnnotationFormatterFactory());

        Order order = new Order();
        DataBinder dataBinder = new DataBinder(order);
        dataBinder.setConversionService(conversionService);


        MutablePropertyValues mpv = new MutablePropertyValues();
        mpv.add("price", "2.7%");
        mpv.add("date", "2016");

        dataBinder.bind(mpv);

        Object target = dataBinder.getTarget();
        System.out.println(target);

        BindingResult bindingResult = dataBinder.getBindingResult();
        System.out.println(bindingResult);
    }

}

package com.logicbig.example;

import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.format.annotation.NumberFormat;

import java.util.Date;

public class Order {
    @NumberFormat(style = NumberFormat.Style.PERCENT)
    private Double price;

    @DateTimeFormat(pattern = "yyyy")
    private Date date;
    .............
}