001/* 002 * nimbus-jose-jwt 003 * 004 * Copyright 2012-2016, Connect2id Ltd. 005 * 006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use 007 * this file except in compliance with the License. You may obtain a copy of the 008 * License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software distributed 013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 015 * specific language governing permissions and limitations under the License. 016 */ 017 018package com.nimbusds.jose; 019 020 021/** 022 * Enumeration of JOSE algorithm implementation requirements. Refers to the 023 * requirement levels defined in RFC 2119. 024 * 025 * @author Vladimir Dzhuvinov 026 * @version 2012-09-17 027 */ 028public enum Requirement { 029 030 031 /** 032 * The implementation of the algorithm is required. 033 */ 034 REQUIRED, 035 036 037 /** 038 * The implementation of the algorithm is recommended. 039 */ 040 RECOMMENDED, 041 042 043 /** 044 * The implementation of the algorithm is optional. 045 */ 046 OPTIONAL 047}