001/*
002 * nimbus-jose-jwt
003 *
004 * Copyright 2012-2016, Connect2id Ltd and contributors.
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.crypto.impl;
019
020
021import com.nimbusds.jose.JWSAlgorithm;
022import com.nimbusds.jose.JWSProvider;
023import com.nimbusds.jose.jca.JCAContext;
024
025import java.util.Collections;
026import java.util.Objects;
027import java.util.Set;
028
029
030/**
031 * The base abstract class for JSON Web Signature (JWS) signers and verifiers.
032 *
033 * @author Vladimir Dzhuvinov
034 * @version 2024-04-20
035 */
036public abstract class BaseJWSProvider implements JWSProvider {
037
038
039        /**
040         * The supported algorithms by the JWS provider instance.
041         */
042        private final Set<JWSAlgorithm> algs;
043
044
045        /**
046         * The JCA context.
047         */
048        private final JCAContext jcaContext = new JCAContext();
049
050
051        /**
052         * Creates a new base JWS provider.
053         *
054         * @param algs The supported algorithms by the JWS provider instance.
055         *             Must not be {@code null}.
056         */
057        public BaseJWSProvider(final Set<JWSAlgorithm> algs) {
058
059                this.algs = Collections.unmodifiableSet(Objects.requireNonNull(algs));
060        }
061
062
063        @Override
064        public Set<JWSAlgorithm> supportedJWSAlgorithms() {
065
066                return algs;
067        }
068
069
070        @Override
071        public JCAContext getJCAContext() {
072
073                return jcaContext;
074        }
075}
076