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/*
 * Copyright 2002-2018 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.security.oauth2.jwt;

import com.nimbusds.jose.jwk.JWK;
import com.nimbusds.jose.jwk.JWKSelector;
import com.nimbusds.jose.jwk.source.JWKSource;
import com.nimbusds.jose.proc.SecurityContext;
import reactor.core.publisher.Mono;

import java.util.List;

/**
 * Adapts a {@link JWKSource} to a {@link ReactiveJWKSource} which must be non-blocking.
 * @author Rob Winch
 * @since 5.1
 */
class ReactiveJWKSourceAdapter implements ReactiveJWKSource {
	private final JWKSource source;

	/**
	 * Creates a new instance
	 * @param source
	 */
	ReactiveJWKSourceAdapter(JWKSource source) {
		this.source = source;
	}

	@Override
	public Mono> get(JWKSelector jwkSelector) {
		return Mono.fromCallable(() -> this.source.get(jwkSelector, null));
	}
}