001/*-
002 * #%L
003 * HAPI FHIR - Server Framework
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.rest.server.util;
021
022import ca.uhn.fhir.rest.api.server.RequestDetails;
023import ca.uhn.fhir.rest.server.RestfulServer;
024import ca.uhn.fhir.rest.server.RestfulServerConfiguration;
025import jakarta.annotation.Nullable;
026import org.apache.commons.lang3.Validate;
027
028public abstract class BaseServerCapabilityStatementProvider {
029
030        private RestfulServerConfiguration myConfiguration;
031
032        protected BaseServerCapabilityStatementProvider() {
033                super();
034        }
035
036        protected BaseServerCapabilityStatementProvider(RestfulServerConfiguration theServerConfiguration) {
037                myConfiguration = theServerConfiguration;
038        }
039
040        protected RestfulServerConfiguration getServerConfiguration(@Nullable RequestDetails theRequestDetails) {
041                RestfulServerConfiguration retVal;
042                if (theRequestDetails != null && theRequestDetails.getServer() instanceof RestfulServer) {
043                        retVal = ((RestfulServer) theRequestDetails.getServer()).createConfiguration();
044                        Validate.isTrue(myConfiguration == null);
045                } else {
046                        retVal = myConfiguration;
047                        Validate.notNull(retVal);
048                }
049                return retVal;
050        }
051}