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Java library for Javascript Object Signing and Encryption (JOSE) and JSON Web Tokens (JWT)

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/*
 * nimbus-jose-jwt
 *
 * Copyright 2012-2016, Connect2id Ltd and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the
 * License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

package com.nimbusds.jose.crypto.impl;


import com.nimbusds.jose.JWSAlgorithm;
import com.nimbusds.jose.JWSProvider;
import com.nimbusds.jose.jca.JCAContext;

import java.util.Collections;
import java.util.Objects;
import java.util.Set;


/**
 * The base abstract class for JSON Web Signature (JWS) signers and verifiers.
 *
 * @author Vladimir Dzhuvinov
 * @version 2024-04-20
 */
public abstract class BaseJWSProvider implements JWSProvider {


	/**
	 * The supported algorithms by the JWS provider instance.
	 */
	private final Set algs;


	/**
	 * The JCA context.
	 */
	private final JCAContext jcaContext = new JCAContext();


	/**
	 * Creates a new base JWS provider.
	 *
	 * @param algs The supported algorithms by the JWS provider instance.
	 *             Must not be {@code null}.
	 */
	public BaseJWSProvider(final Set algs) {

		this.algs = Collections.unmodifiableSet(Objects.requireNonNull(algs));
	}


	@Override
	public Set supportedJWSAlgorithms() {

		return algs;
	}


	@Override
	public JCAContext getJCAContext() {

		return jcaContext;
	}
}





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