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.web.controller.report; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openmrs.reporting.Report; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; public class ReportValidator implements Validator { /** Log for this class and subclasses */ protected final Log log = LogFactory.getLog(getClass()); /** * Determines if the command object being submitted is a valid type * * @see org.springframework.validation.Validator#supports(java.lang.Class) */ @SuppressWarnings("unchecked") public boolean supports(Class c) { return c.equals(Report.class); } /** * Checks the form object for any inconsistencies/errors * * @see org.springframework.validation.Validator#validate(java.lang.Object, * org.springframework.validation.Errors) */ public void validate(Object obj, Errors errors) { Report report = (Report) obj; if (report == null) { errors.rejectValue("report", "error.general"); } else { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "error.name"); } } }