Java tutorial
/** * The contents of this file are subject to the OpenMRS Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://license.openmrs.org * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * Copyright (C) OpenMRS, LLC. All Rights Reserved. */ package org.openmrs.module.restrictbyuser; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; public class UserRestrictionValidator implements Validator { public boolean supports(Class c) { return c.equals(UserRestriction.class); } public void validate(Object o, Errors errors) { UserRestriction rr = (UserRestriction) o; ValidationUtils.rejectIfEmptyOrWhitespace(errors, "user", "error.user"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "searchId", "error.search"); } }