001package ca.uhn.fhir.jpa.bulk.export.job;
002
003/*-
004 * #%L
005 * HAPI FHIR JPA Server
006 * %%
007 * Copyright (C) 2014 - 2021 Smile CDR, Inc.
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import ca.uhn.fhir.context.FhirContext;
024import ca.uhn.fhir.jpa.api.dao.DaoRegistry;
025import ca.uhn.fhir.jpa.api.dao.IFhirResourceDao;
026import ca.uhn.fhir.jpa.bulk.export.svc.BulkExportDaoSvc;
027import ca.uhn.fhir.jpa.entity.BulkExportCollectionFileEntity;
028import org.hl7.fhir.instance.model.api.IBaseBinary;
029import org.hl7.fhir.instance.model.api.IIdType;
030import org.springframework.beans.factory.annotation.Autowired;
031
032import javax.annotation.PostConstruct;
033import java.util.Optional;
034
035public class ResourceToFileWriter extends BaseResourceToFileWriter {
036        @Autowired
037        private BulkExportDaoSvc myBulkExportDaoSvc;
038
039        public ResourceToFileWriter(FhirContext theFhirContext, DaoRegistry theDaoRegistry) {
040                super(theFhirContext, theDaoRegistry);
041        }
042
043        @PostConstruct
044        public void start() {
045                myBinaryDao = getBinaryDao();
046        }
047
048        @Override
049        protected Optional<IIdType> flushToFiles() {
050                if (myOutputStream.size() > 0) {
051                        IIdType createdId = createBinaryFromOutputStream();
052                        BulkExportCollectionFileEntity file = new BulkExportCollectionFileEntity();
053                        file.setResource(createdId.getIdPart());
054
055                        myBulkExportDaoSvc.addFileToCollectionWithId(myBulkExportCollectionEntityId, file);
056
057                        myOutputStream.reset();
058
059                        return Optional.of(createdId);
060                }
061
062                return Optional.empty();
063        }
064
065        @SuppressWarnings("unchecked")
066        private IFhirResourceDao<IBaseBinary> getBinaryDao() {
067                return myDaoRegistry.getResourceDao("Binary");
068        }
069}