Java tutorial
/* * This program is part of the OpenLMIS logistics management information system platform software. * Copyright 2017 VillageReach * * This program is free software: you can redistribute it and/or modify it under the terms * of the GNU Affero General Public License as published by the Free Software Foundation, either * version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Affero General Public License for more details. You should have received a copy of * the GNU Affero General Public License along with this program. If not, see * http://www.gnu.org/licenses. For additional information contact info@OpenLMIS.org. */ package org.openlmis.converter; import static org.apache.commons.lang3.StringUtils.startsWithIgnoreCase; import org.openlmis.upload.BaseCommunicationService; import org.openlmis.upload.Services; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import javax.json.JsonObject; import javax.json.JsonObjectBuilder; @Component class IdTypeConverter extends BaseTypeConverter { private static final String ID = "id"; @Autowired private Services services; @Override public boolean supports(String type) { return startsWithIgnoreCase(type, "TO_ID_BY"); } @Override public void convert(JsonObjectBuilder builder, Mapping mapping, String value) { BaseCommunicationService service = services.getService(mapping.getEntityName()); String by = getBy(mapping.getType()); JsonObject jsonRepresentation = service.findBy(by, value); if (null == jsonRepresentation) { logger.warn("The CSV file contained reference to entity {} " + "with {} {} but such reference does not exist.", mapping.getEntityName(), by, value); } else { builder.add(mapping.getTo(), jsonRepresentation.getString(ID)); } } }