001/*-
002 * #%L
003 * HAPI FHIR - Master Data Management
004 * %%
005 * Copyright (C) 2014 - 2024 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.mdm.rules.matcher.fieldmatchers;
021
022import ca.uhn.fhir.mdm.rules.json.MdmMatcherJson;
023import ca.uhn.fhir.mdm.rules.matcher.models.IMdmFieldMatcher;
024import ca.uhn.fhir.util.ExtensionUtil;
025import org.hl7.fhir.instance.model.api.IBase;
026import org.hl7.fhir.instance.model.api.IBaseExtension;
027import org.hl7.fhir.instance.model.api.IBaseHasExtensions;
028
029import java.util.List;
030
031public class ExtensionMatcher implements IMdmFieldMatcher {
032
033        @Override
034        public boolean matches(IBase theLeftBase, IBase theRightBase, MdmMatcherJson theParams) {
035                if (!(theLeftBase instanceof IBaseHasExtensions && theRightBase instanceof IBaseHasExtensions)) {
036                        return false;
037                }
038                List<? extends IBaseExtension<?, ?>> leftExtension = ((IBaseHasExtensions) theLeftBase).getExtension();
039                List<? extends IBaseExtension<?, ?>> rightExtension = ((IBaseHasExtensions) theRightBase).getExtension();
040
041                boolean match = false;
042                for (IBaseExtension leftExtensionValue : leftExtension) {
043                        for (IBaseExtension rightExtensionValue : rightExtension) {
044                                match |= ExtensionUtil.equals(leftExtensionValue, rightExtensionValue);
045                        }
046                }
047                return match;
048        }
049}