
001package ca.uhn.fhir.jpa.binary.api; 002 003/*- 004 * #%L 005 * HAPI FHIR Storage api 006 * %% 007 * Copyright (C) 2014 - 2022 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.util.HapiExtensions; 024import org.hl7.fhir.instance.model.api.IBaseHasExtensions; 025import org.hl7.fhir.instance.model.api.IPrimitiveType; 026 027import java.util.Optional; 028 029import static org.apache.commons.lang3.StringUtils.isNotBlank; 030 031/** 032 * Wraps an Attachment datatype or Binary resource, since they both 033 * hold binary content but don't look entirely similar 034 */ 035public interface IBinaryTarget { 036 037 void setSize(Integer theSize); 038 039 String getContentType(); 040 041 void setContentType(String theContentType); 042 043 byte[] getData(); 044 045 void setData(byte[] theBytes); 046 047 IBaseHasExtensions getTarget(); 048 049 @SuppressWarnings("unchecked") 050 default Optional<String> getAttachmentId() { 051 return getTarget() 052 .getExtension() 053 .stream() 054 .filter(t -> HapiExtensions.EXT_EXTERNALIZED_BINARY_ID.equals(t.getUrl())) 055 .filter(t -> t.getValue() instanceof IPrimitiveType) 056 .map(t -> (IPrimitiveType<String>) t.getValue()) 057 .map(t -> t.getValue()) 058 .filter(t -> isNotBlank(t)) 059 .findFirst(); 060 } 061}