Java tutorial
/** * This Source Code Form is subject to the terms of the Mozilla Public License, * v. 2.0. If a copy of the MPL was not distributed with this file, You can * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under * the terms of the Healthcare Disclaimer located at http://openmrs.org/license. * * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS * graphic logo is a trademark of OpenMRS Inc. */ package org.openmrs.module.dataimporttool.resources; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.stereotype.Controller; import org.openmrs.module.dataimporttool.DataImportTool; import org.springframework.validation.Validator; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Errors; import org.springframework.validation.BindException; public class DataImportToolValidator implements Validator { public boolean supports(Class clazz) { return DataImportTool.class.equals(clazz); } //This validator only validates DataImportTool objects public void validate(Object obj, Errors e) { ValidationUtils.rejectIfEmptyOrWhitespace(e, "matchFile", "matchFile.empty"); ValidationUtils.rejectIfEmpty(e, "leftDbDriver", "leftDbDriver.empty"); ValidationUtils.rejectIfEmpty(e, "rightDbDriver", "rightDbDriver.empty"); ValidationUtils.rejectIfEmpty(e, "MatchLocation", "MatchLocation.empty"); ValidationUtils.rejectIfEmpty(e, "rightDbLocation", "rightDbLocation.empty"); ValidationUtils.rejectIfEmpty(e, "leftDbLocation", "leftDbLocation.empty"); ValidationUtils.rejectIfEmpty(e, "leftDbName", "leftDbName.empty"); ValidationUtils.rejectIfEmpty(e, "rightDbName", "rightDbName.empty"); DataImportTool dit = (DataImportTool) obj; if (dit.getMatchFormat().compareToIgnoreCase("xls") != 0) e.rejectValue("matchFormat", "Match format must be xls"); } }