001package ca.uhn.fhir.rest.api;
002
003/*-
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2020 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.util.HashMap;
024
025/**
026 * Represents values for "return" value as provided in the the <a href="https://tools.ietf.org/html/rfc7240#section-4.2">HTTP Prefer header</a>.
027 */
028public enum PreferReturnEnum {
029
030        REPRESENTATION("representation"), MINIMAL("minimal"), OPERATION_OUTCOME("OperationOutcome");
031
032        private static HashMap<String, PreferReturnEnum> ourValues;
033        private String myHeaderValue;
034
035        PreferReturnEnum(String theHeaderValue) {
036                myHeaderValue = theHeaderValue;
037        }
038
039        public String getHeaderValue() {
040                return myHeaderValue;
041        }
042
043        public static PreferReturnEnum fromHeaderValue(String theHeaderValue) {
044                if (ourValues == null) {
045                        HashMap<String, PreferReturnEnum> values = new HashMap<>();
046                        for (PreferReturnEnum next : PreferReturnEnum.values()) {
047                                values.put(next.getHeaderValue(), next);
048                        }
049                        ourValues = values;
050                }
051                return ourValues.get(theHeaderValue);
052        }
053
054}