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.validator; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openmrs.hl7.HL7Source; import org.openmrs.annotation.Handler; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; /** * Validates attributes on the {@link HL7Source} object. * * @since 1.9 */ @Handler(supports = { HL7Source.class }, order = 50) public class HL7SourceValidator 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(HL7Source.class); } /** * Checks the form object for any inconsistencies/errors * * @see org.springframework.validation.Validator#validate(java.lang.Object, * org.springframework.validation.Errors) * @should fail validation if name is null * @should pass validation if description is null or empty or whitespace * @should pass validation if all required fields have proper values * @should pass validation if field lengths are correct * @should fail validation if field lengths are not correct */ public void validate(Object obj, Errors errors) { HL7Source hl7Source = (HL7Source) obj; if (hl7Source == null) { errors.rejectValue("hl7Source", "error.general"); } else { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "error.name"); ValidateUtil.validateFieldLengths(errors, obj.getClass(), "name"); } } }