02. HelloForm - AntonioDiaz/examples.spring.mvc GitHub Wiki

	...
	@Autowired
	private EntityFormValidator entityFormValidator;

	@InitBinder
	public void initBinder(WebDataBinder webDataBinder) {
		DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
		dateFormat.setLenient(false);
		webDataBinder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));
	}

	@RequestMapping(value = "/newentity", method = RequestMethod.GET)
	public ModelAndView newEntity() {
		logger.debug("newentity");
		ModelAndView modelAndView = new ModelAndView("entity_new");
		EntityForm entityForm = new EntityForm();
		modelAndView.addObject("my_form", entityForm);
		return modelAndView;
	}

	@RequestMapping(value = "/doCreateEntity", method = RequestMethod.POST)
	public String createEntity(@ModelAttribute("my_form") EntityForm entityForm, BindingResult bindingResult) {
		logger.debug("createEntity -> " + entityForm);
		String result;
		this.entityFormValidator.validate(entityForm, bindingResult);
		if (bindingResult.hasErrors()) {
			result = "entity_new";
		} else {
			result = "entity_created";
		}
		return result;
	}

	...
	private Long id;
	private String name;
	private String surname;
	private Date birthdate;

package com.validators;

import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;
import com.forms.EntityForm;

@Component
public class EntityFormValidator implements Validator {

	@Override
	public boolean supports(Class<?> clazz) {
		return EntityForm.class.isAssignableFrom(clazz);
	}

	@Override
	public void validate(Object target, Errors errors) {
		//EntityForm entityForm = (EntityForm)target;
		ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "name_required");	
	}
}

@InitBinder("my_form")
public void initBinder(WebDataBinder webDataBinder) {
	SimpleDateFormat dateFormat = new SimpleDateFormat("MM/dd/yyyy hh:mm aaa");
	dateFormat.setLenient(false);
	webDataBinder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));
}

@RequestMapping(value = "/doCreateEntity", method = RequestMethod.POST)
public String createEntity(@ModelAttribute("my_form") EntityForm entityForm, BindingResult bindingResult, ModelMap modelMap) {
	logger.debug("createEntity -> " + entityForm);
	String next;
	this.entityFormValidator.validate(entityForm, bindingResult);
	if (!bindingResult.hasErrors()) {
		next = "redirect:/?created=true";
	} else {
		if (entityForm.getBirthdate()!=null) {
			DateFormat dateFormat = new SimpleDateFormat("MM/dd/yyyy hh:mm aaa");
			modelMap.addAttribute("birthdate_str",dateFormat.format(entityForm.getBirthdate()));
		}
		next = "entity_new";
	}
	return next;
}