001/*-
002 * #%L
003 * HAPI FHIR Storage api
004 * %%
005 * Copyright (C) 2014 - 2025 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.jpa.binary.api;
021
022import ca.uhn.fhir.util.HapiExtensions;
023import org.hl7.fhir.instance.model.api.IBaseHasExtensions;
024import org.hl7.fhir.instance.model.api.IPrimitiveType;
025
026import java.util.Optional;
027
028import static org.apache.commons.lang3.StringUtils.isNotBlank;
029
030/**
031 * Wraps an Attachment datatype or Binary resource, since they both
032 * hold binary content but don't look entirely similar
033 */
034public interface IBinaryTarget {
035
036        void setSize(Integer theSize);
037
038        String getContentType();
039
040        void setContentType(String theContentType);
041
042        byte[] getData();
043
044        void setData(byte[] theBytes);
045
046        IBaseHasExtensions getTarget();
047
048        @SuppressWarnings("unchecked")
049        default Optional<String> getAttachmentId() {
050                return getTarget().getExtension().stream()
051                                .filter(t -> HapiExtensions.EXT_EXTERNALIZED_BINARY_ID.equals(t.getUrl()))
052                                .filter(t -> t.getValue() instanceof IPrimitiveType)
053                                .map(t -> (IPrimitiveType<String>) t.getValue())
054                                .map(t -> t.getValue())
055                                .filter(t -> isNotBlank(t))
056                                .findFirst();
057        }
058}