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.web.controller; import java.util.HashSet; import java.util.Locale; import java.util.Set; import org.apache.commons.lang.StringUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openmrs.ConceptMap; import org.openmrs.ConceptName; import org.openmrs.api.context.Context; import org.openmrs.web.controller.ConceptFormController.ConceptFormBackingObject; import org.springframework.validation.Errors; import org.springframework.validation.Validator; /** * The web validator for the concept editing form */ public class ConceptFormValidator 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("rawtypes") public boolean supports(Class c) { return c.equals(ConceptFormBackingObject.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) { ConceptFormBackingObject backingObject = (ConceptFormBackingObject) obj; Set<String> localesWithErrors = new HashSet<String>(); if (backingObject.getConcept() == null) { errors.rejectValue("concept", "error.general"); } else { // validate the concept term mappings for (int x = 0; x < backingObject.getConceptMappings().size(); x++) { ConceptMap map = backingObject.getConceptMappings().get(x); //this mapping has been removed or is new with no term selected, so ignore it if (map.getConceptReferenceTerm().getConceptReferenceTermId() == null) { continue; } if (map.getConceptMapType() == null) { errors.rejectValue("conceptMappings[" + x + "].conceptMapType", "Concept.map.typeRequired"); } } boolean foundAtLeastOneFullySpecifiedName = false; for (Locale locale : backingObject.getLocales()) { for (int x = 0; x < backingObject.getSynonymsByLocale().get(locale).size(); x++) { ConceptName synonym = backingObject.getSynonymsByLocale().get(locale).get(x); // validate that synonym names are non-empty (null name means it was invalid and then removed) if (!synonym.isVoided() && synonym.getName() != null && synonym.getName().length() == 0) { errors.rejectValue("synonymsByLocale[" + locale + "][" + x + "].name", "Concept.synonyms.textRequired"); localesWithErrors.add(locale.getDisplayName()); } } for (int x = 0; x < backingObject.getIndexTermsByLocale().get(locale).size(); x++) { ConceptName indexTerm = backingObject.getIndexTermsByLocale().get(locale).get(x); // validate that indexTerm names are non-empty (null name means it was invalid and then removed) if (!indexTerm.isVoided() && indexTerm.getName() != null && indexTerm.getName().length() == 0) { errors.rejectValue("indexTermsByLocale[" + locale + "][" + x + "].name", "Concept.indexTerms.textRequired"); localesWithErrors.add(locale.getDisplayName()); } } // validate that at least one name in a locale is non-empty if (StringUtils.isNotEmpty(backingObject.getNamesByLocale().get(locale).getName())) { foundAtLeastOneFullySpecifiedName = true; } // if this is a new name and user has changed it into an empty string, reject it else if (backingObject.getNamesByLocale().get(locale).getConceptNameId() != null) { errors.rejectValue("namesByLocale[" + locale + "].name", "Concept.fullySpecified.textRequired"); localesWithErrors.add(locale.getDisplayName()); } } if (!foundAtLeastOneFullySpecifiedName) { errors.reject("Concept.name.atLeastOneRequired"); } } if (errors.hasErrors() && localesWithErrors.size() > 0) { StringBuilder sb = new StringBuilder( Context.getMessageSourceService().getMessage("Concept.localesWithErrors")); sb.append(StringUtils.join(localesWithErrors, ", ")); errors.rejectValue("concept", sb.toString()); } } }