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.AttachmentUtil;
023import ca.uhn.fhir.util.HapiExtensions;
024import org.hl7.fhir.instance.model.api.IBaseExtension;
025import org.hl7.fhir.instance.model.api.IBaseHasExtensions;
026
027import java.util.Optional;
028import java.util.function.Predicate;
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        default Optional<String> getAttachmentId() {
049                return AttachmentUtil.getFirstExtension(getTarget(), HapiExtensions.EXT_EXTERNALIZED_BINARY_ID, e -> true);
050        }
051
052        default Optional<String> getAttachmentIdFiltered(Predicate<? super IBaseExtension<?, ?>> theFilter) {
053                return AttachmentUtil.getFirstExtension(getTarget(), HapiExtensions.EXT_EXTERNALIZED_BINARY_ID, theFilter);
054        }
055
056        default Optional<String> getHashExtension() {
057                return AttachmentUtil.getFirstExtension(
058                                getTarget(), HapiExtensions.EXT_EXTERNALIZED_BINARY_HASH_SHA_256, e -> true);
059        }
060
061        default Optional<String> getHashExtensionFiltered(Predicate<? super IBaseExtension<?, ?>> theFilter) {
062                return AttachmentUtil.getFirstExtension(
063                                getTarget(), HapiExtensions.EXT_EXTERNALIZED_BINARY_HASH_SHA_256, theFilter);
064        }
065}