Java tutorial
/* * Copyright 2000-2015 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package nl.conspect.legacy.domain; import nl.conspect.legacy.web.NewUserRegistrationForm; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; /** * {@link Validator} for validating {@link User} objects. * * @author Marten Deinum */ public class UserValidator implements Validator { public boolean supports(Class clazz) { return clazz.equals(NewUserRegistrationForm.class); } public void validate(Object target, Errors errors) { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "displayName", "required"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "emailAddress", "required"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "emailValidation", "required"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "username", "required"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "password", "required"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "passwordValidation", "required"); NewUserRegistrationForm registration = (NewUserRegistrationForm) target; if (registration.getEmailAddress() != null && registration.getEmailValidation() != null) { if (!registration.getEmailAddress().equals(registration.getEmailValidation())) { errors.reject("email.validation.failed", "Email and Email Validation aren't equal."); } } if (registration.getPassword() != null && registration.getPasswordValidation() != null) { if (!registration.getPassword().equals(registration.getPasswordValidation())) { errors.reject("password.validation.failed", "Password and Password Validation aren't equal."); } } } }