Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package abm.jakaria.school; import org.springframework.stereotype.Component; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; /** * * @author Abm Jakaria */ @Component("commiteeFormValidator") public class CommiteeFormValidator implements Validator { @SuppressWarnings("unchecked") @Override public boolean supports(Class clazz) { return Commitee.class.isAssignableFrom(clazz); } @Override public void validate(Object model, Errors errors) { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "required.name", "Name is required."); } }