001/*- 002 * #%L 003 * HAPI FHIR - Core Library 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.util.adapters; 021 022import jakarta.annotation.Nonnull; 023 024import java.util.Optional; 025 026/** 027 * Generic version of Eclipse IAdaptable interface. 028 */ 029public interface IAdaptable { 030 /** 031 * Get an adapter of requested type. 032 * @param theTargetType the desired type of the adapter 033 * @return an adapter of theTargetType if possible, or empty. 034 */ 035 default <T> @Nonnull Optional<T> getAdapter(@Nonnull Class<T> theTargetType) { 036 return AdapterUtils.adapt(this, theTargetType); 037 } 038}